← The evidence ledger
Evidence row 4522
Observed , by baseline/1.
- Kind
- listing
- About
- source_record agentic_market:x402-niche-briefs-fly-dev
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 5d73d04e91344b8b3b342ca988eefee426cea609bcd7d711203e0225dc61035b
- Leaf
- 0x8138a222ab01329832803a47523703a870ea00e568d59aab1d5ca2dec2921fc5
What was observed
{
"endpoints": [
[
"x402",
"https://x402-niche-briefs.fly.dev/v1/amazon-restricted-keywords"
],
[
"x402",
"https://x402-niche-briefs.fly.dev/v1/b2b-agent-service-ideas"
],
[
"x402",
"https://x402-niche-briefs.fly.dev/v1/bundle-pricing-optimizer"
],
[
"x402",
"https://x402-niche-briefs.fly.dev/v1/ca-drop-cycle/section"
],
[
"x402",
"https://x402-niche-briefs.fly.dev/v1/ce-marking-doc-check"
],
[
"x402",
"https://x402-niche-briefs.fly.dev/v1/chargeback-reason-code-guide"
],
[
"x402",
"https://x402-niche-briefs.fly.dev/v1/compliance-pack/domain"
],
[
"x402",
"https://x402-niche-briefs.fly.dev/v1/cpsc-cpc-sku-map/section"
],
[
"x402",
"https://x402-niche-briefs.fly.dev/v1/de-minimis-321-eligibility"
],
[
"x402",
"https://x402-niche-briefs.fly.dev/v1/dimensional-weight-calc"
],
[
"x402",
"https://x402-niche-briefs.fly.dev/v1/ebay-vero-risk-check"
],
[
"x402",
"https://x402-niche-briefs.fly.dev/v1/etsy-handmade-policy-check"
],
[
"x402",
"https://x402-niche-briefs.fly.dev/v1/fba-fee-margin-calc"
],
[
"x402",
"https://x402-niche-briefs.fly.dev/v1/fcc-part15-label-check"
],
[
"x402",
"https://x402-niche-briefs.fly.dev/v1/fda-cosmetic-inci-check"
],
[
"x402",
"https://x402-niche-briefs.fly.dev/v1/ftc-green-guides-check"
],
[
"x402",
"https://x402-niche-briefs.fly.dev/v1/ftc-made-in-usa-check"
],
[
"x402",
"https://x402-niche-briefs.fly.dev/v1/google-merchant-gtin-check"
],
[
"x402",
"https://x402-niche-briefs.fly.dev/v1/hs-tariff-section301-brief"
],
[
"x402",
"https://x402-niche-briefs.fly.dev/v1/landed-cost-estimator"
],
[
"x402",
"https://x402-niche-briefs.fly.dev/v1/listing-quality"
],
[
"x402",
"https://x402-niche-briefs.fly.dev/v1/listing-quality-teaser"
],
[
"x402",
"https://x402-niche-briefs.fly.dev/v1/meta-ad-policy-check"
],
[
"x402",
"https://x402-niche-briefs.fly.dev/v1/micro-saas-churn-playbook"
],
[
"x402",
"https://x402-niche-briefs.fly.dev/v1/mocra-listing-gap/section"
],
[
"x402",
"https://x402-niche-briefs.fly.dev/v1/niche-brief"
],
[
"x402",
"https://x402-niche-briefs.fly.dev/v1/niche-catalog"
],
[
"x402",
"https://x402-niche-briefs.fly.dev/v1/product-schema-check"
],
[
"x402",
"https://x402-niche-briefs.fly.dev/v1/prop65-warning-check"
],
[
"x402",
"https://x402-niche-briefs.fly.dev/v1/reorder-point-safety-stock"
],
[
"x402",
"https://x402-niche-briefs.fly.dev/v1/return-rate-benchmark"
],
[
"x402",
"https://x402-niche-briefs.fly.dev/v1/rohs-reach-material-check"
],
[
"x402",
"https://x402-niche-briefs.fly.dev/v1/shopify-aup-risk-check"
],
[
"x402",
"https://x402-niche-briefs.fly.dev/v1/store-policy-check"
],
[
"x402",
"https://x402-niche-briefs.fly.dev/v1/stripe-restricted-mcc-check"
],
[
"x402",
"https://x402-niche-briefs.fly.dev/v1/subscription-ltv-churn-calc"
],
[
"x402",
"https://x402-niche-briefs.fly.dev/v1/suspension-pack/platform"
],
[
"x402",
"https://x402-niche-briefs.fly.dev/v1/textile-fiber-label-check"
],
[
"x402",
"https://x402-niche-briefs.fly.dev/v1/tiktok-shop-claim-check"
],
[
"x402",
"https://x402-niche-briefs.fly.dev/v1/ukca-conformity-check"
],
[
"x402",
"https://x402-niche-briefs.fly.dev/v1/ul-etl-safety-mark-check"
],
[
"x402",
"https://x402-niche-briefs.fly.dev/v1/walmart-wfs-prep-check"
],
[
"x402",
"https://x402-niche-briefs.fly.dev/v1/wholesale-moq-margin-check"
]
],
"name": "x402-niche-briefs.fly.dev",
"owner_address": null,
"raw": {
"caip2_networks": [
"eip155:8453"
],
"category": "",
"description": "",
"domain": "x402-niche-briefs.fly.dev",
"endpoints": [
{
"description": "Amazon Seller Central ASIN suppression keyword linter for FDA DSHEA disease claims, EPA FIFRA pesticide triggers, and OTC drug flags. Pass ?category=supplements|topicals|electronics|home_goods (default supplements) & optional ?text=<bullet/title copy>. Returns matched trigger words, suppression cause, compliant structure/function rewrites, and TIC lab docs.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "supplements",
"group": "query",
"name": "category",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": null,
"serviceName": "",
"tags": [
"amazon",
"seller-central",
"fifra",
"supplements",
"asin-suppression"
],
"url": "https://x402-niche-briefs.fly.dev/v1/amazon-restricted-keywords"
},
{
"description": "Structured blueprints for high-utility deterministic B2B agent & x402 microservices. Pass ?domain=ecommerce_ops|compliance_linting|supply_chain|ad_creative_qa (default ecommerce_ops). Returns target buyer personas, exact GET input/output JSON contracts, $0.01 CDP pricing rationale, and x402 seller design rules.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "ecommerce_ops",
"group": "query",
"name": "domain",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": null,
"serviceName": "",
"tags": [
"x402",
"b2b",
"agents",
"microservices",
"api-design"
],
"url": "https://x402-niche-briefs.fly.dev/v1/b2b-agent-service-ideas"
},
{
"description": "Deterministic 1-pack / 2-pack / 3-pack DTC bundle pricing & shipping-amortization calculator. Pass ?anchor_price_usd=24.00&unit_cogs_usd=4.50&shipping_usd=5.00. Returns compare-at price, bundle discount price, processing fee, net contribution dollars/margin per tier, and extra CPA headroom unlocked by multi-packs.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "24.00",
"group": "query",
"name": "anchor_price_usd",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "5.00",
"group": "query",
"name": "shipping_usd",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "4.50",
"group": "query",
"name": "unit_cogs_usd",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": null,
"serviceName": "",
"tags": [
"bundles",
"pricing",
"aov",
"unit-economics",
"dtc"
],
"url": "https://x402-niche-briefs.fly.dev/v1/bundle-pricing-optimizer"
},
{
"description": "One section of the California Delete Act DROP 45-day cycle ops pack for registered data brokers: ops_checklist, intake_fields, or do_not, plus buyer, trigger and portal metadata. Pass ?section=ops_checklist|intake_fields|do_not. JSON. Full pack: /v1/ca-drop-cycle ($0.05). Ops checklist only; not legal advice. Unknown section returns 404, not charged.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "ops_checklist",
"group": "query",
"name": "section",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "2"
},
"serviceName": "",
"tags": [
"california",
"delete-act",
"drop",
"data-broker",
"privacy"
],
"url": "https://x402-niche-briefs.fly.dev/v1/ca-drop-cycle/section"
},
{
"description": "EU CE marking, Declaration of Conformity (DoC) mandatory fields, and EU GPSR Economic Operator checklist. Pass ?directive=emc|lvd|red|rohs|toy_safety (default emc). Returns directive code, harmonized EN standards examples, Notified Body vs Module A self-declaration rules, 8 mandatory DoC elements, and 10-year retention rules. Educational reference only; not legal advice.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "emc",
"group": "query",
"name": "directive",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": null,
"serviceName": "",
"tags": [
"ce-marking",
"eu-compliance",
"gpsr",
"electronics",
"toys"
],
"url": "https://x402-niche-briefs.fly.dev/v1/ce-marking-doc-check"
},
{
"description": "Card network dispute reason code lookup & Visa Compelling Evidence 3.0 (CE3.0) rebuttal guide. Pass ?network=visa|mastercard|amex (default visa) & ?code=10.4|13.1|13.3|4853 (default 13.1). Returns dispute definition, required compelling-evidence exhibits, CE3.0 historical-order match rules, and 3-part rebuttal letter structure.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "13.1",
"group": "query",
"name": "code",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "visa",
"group": "query",
"name": "network",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": null,
"serviceName": "",
"tags": [
"chargebacks",
"disputes",
"visa",
"mastercard",
"payments"
],
"url": "https://x402-niche-briefs.fly.dev/v1/chargeback-reason-code-guide"
},
{
"description": "One domain of the ecommerce compliance ops pack: Prop 65 60-day-notice SKU file, FTC click-to-cancel (ROSCA) consent audit, or packaging EPR SKU filing. Buyer, triggers, intake fields, ops checklist, do-nots. Pass ?domain=prop65|ftc-rosca-cancel|packaging-epr. JSON. Full pack: /v1/compliance-pack ($0.12). Not legal advice or certification. Unknown domain returns 404, not charged.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "prop65",
"group": "query",
"name": "domain",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "2"
},
"serviceName": "",
"tags": [
"prop65",
"ftc",
"click-to-cancel",
"rosca",
"epr"
],
"url": "https://x402-niche-briefs.fly.dev/v1/compliance-pack/domain"
},
{
"description": "One section of the CPSC Children's Product Certificate / General Certificate of Conformity SKU field map (16 CFR 1110 eFiling): ops_checklist, intake_fields, or do_not, plus buyer and trigger. Pass ?section=ops_checklist|intake_fields|do_not. JSON. Full pack: /v1/cpsc-cpc-sku-map ($0.08). Client attests; broker files. Ops checklist only; not legal advice. Unknown section returns 404, not charged.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "ops_checklist",
"group": "query",
"name": "section",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "2"
},
"serviceName": "",
"tags": [
"cpsc",
"cpc",
"gcc",
"efiling",
"importer"
],
"url": "https://x402-niche-briefs.fly.dev/v1/cpsc-cpc-sku-map/section"
},
{
"description": "US CBP Section 321 ($800 de minimis) eligibility & 2025/2026 China/Section 301 exclusion evaluator. Pass ?shipment_value_usd=180&origin=CN&subject_to_301=true. Returns Section 321 eligibility, recommended CBP Entry Type (Type 86 vs Type 11 Informal vs Type 01 Formal), anti-structuring rules, and bond/MPF checklist. Educational reference only; not legal advice.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "CN",
"group": "query",
"name": "origin",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "180",
"group": "query",
"name": "shipment_value_usd",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "true",
"group": "query",
"name": "subject_to_301",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": null,
"serviceName": "",
"tags": [
"section-321",
"de-minimis",
"cbp",
"customs",
"cross-border"
],
"url": "https://x402-niche-briefs.fly.dev/v1/de-minimis-321-eligibility"
},
{
"description": "Deterministic parcel dimensional weight vs actual billable weight calculator. Pass ?length_in=14&width_in=10&height_in=6&actual_lb=3.2&divisor=139. Compares UPS/FedEx (139 divisor) and USPS Ground Advantage (166 divisor >1 cu ft), cubic size, length+girth oversize risk, and billable weight saved by trimming carton height by 1 inch.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "3.2",
"group": "query",
"name": "actual_lb",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "139",
"group": "query",
"name": "divisor",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "6",
"group": "query",
"name": "height_in",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "14",
"group": "query",
"name": "length_in",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "10",
"group": "query",
"name": "width_in",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": null,
"serviceName": "",
"tags": [
"dim-weight",
"shipping",
"packaging",
"logistics",
"ups"
],
"url": "https://x402-niche-briefs.fly.dev/v1/dimensional-weight-calc"
},
{
"description": "eBay VeRO (Verified Rights Owner) intellectual-property takedown & nominative fair-use checker. Pass ?usage=compatibility_fitment|oem_replacement|refurbished|pre_owned (default compatibility_fitment). Returns safe title templates ('Compatible with [Brand]'), prohibited brand-misuse patterns, stock-photo copyright rules, and warranty material-difference traps.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "compatibility_fitment",
"group": "query",
"name": "usage",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": null,
"serviceName": "",
"tags": [
"ebay",
"vero",
"trademark",
"first-sale",
"marketplace"
],
"url": "https://x402-niche-briefs.fly.dev/v1/ebay-vero-risk-check"
},
{
"description": "Etsy Creativity Standards ('Made by', 'Designed by', 'Handpicked', 'Sourced') & Production Partner disclosure checker. Pass ?role=designer|maker|curated_vintage|craft_supply (default designer). Returns eligibility rules, production-partner disclosure requirements, prohibited reselling triggers, and design-proof audit checklist.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "designer",
"group": "query",
"name": "role",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": null,
"serviceName": "",
"tags": [
"etsy",
"handmade",
"print-on-demand",
"marketplace",
"policy"
],
"url": "https://x402-niche-briefs.fly.dev/v1/etsy-handmade-policy-check"
},
{
"description": "Deterministic Amazon FBA unit economics calculator. Pass ?price_usd=29.99&cogs_usd=6.50&weight_oz=12&referral_pct=15. Returns size tier, referral fee, estimated FBA fulfillment + storage fee, net pre-ad contribution ($ and %), breakeven ACOS %, breakeven ROAS, and target ACOS for a 15% net margin.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "6.50",
"group": "query",
"name": "cogs_usd",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "29.99",
"group": "query",
"name": "price_usd",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "15",
"group": "query",
"name": "referral_pct",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "12",
"group": "query",
"name": "weight_oz",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": null,
"serviceName": "",
"tags": [
"amazon-fba",
"unit-economics",
"margin",
"acos",
"roas"
],
"url": "https://x402-niche-briefs.fly.dev/v1/fba-fee-margin-calc"
},
{
"description": "FCC Part 15 (47 CFR 15.19 / 15.105) equipment authorization and labeling checker. Pass ?device_class=unintentional_class_b|unintentional_class_a|intentional_radiator (default unintentional_class_b). Returns SDoC vs TCB Certification path, FCC ID & modular rules, mandatory user-manual statements, US Agent / Responsible Party rules, and e-labeling rules. Educational reference only; not legal advice.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "unintentional_class_b",
"group": "query",
"name": "device_class",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": null,
"serviceName": "",
"tags": [
"fcc",
"part15",
"sdoc",
"electronics",
"wireless"
],
"url": "https://x402-niche-briefs.fly.dev/v1/fcc-part15-label-check"
},
{
"description": "FDA cosmetic labeling (21 CFR 701/740) & MoCRA adverse-event contact / INCI declaration order checker. Pass ?category=skincare|haircare|fragrance|color_cosmetic (default skincare) & optional ?claims=<marketing text>. Returns required PDP/info panels, >1% vs <=1% INCI rules, drug-claim red flags, compliant rewrites, and MoCRA checklist. Educational reference only; not legal advice.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "skincare",
"group": "query",
"name": "category",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": null,
"serviceName": "",
"tags": [
"fda",
"mocra",
"cosmetics",
"inci",
"labeling"
],
"url": "https://x402-niche-briefs.fly.dev/v1/fda-cosmetic-inci-check"
},
{
"description": "FTC Green Guides (16 CFR Part 260) & CA SB 343 / AB 1305 environmental marketing claim checker. Pass ?claim=recyclable|biodegradable|compostable|carbon_neutral|recycled_content (default recyclable). Returns substantiation thresholds (60% access rule for recyclable, 1-year rule for biodegradable), compliant phrasing, and deceptive traps. Educational reference only; not legal advice.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "recyclable",
"group": "query",
"name": "claim",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": null,
"serviceName": "",
"tags": [
"ftc",
"green-guides",
"sustainability",
"packaging",
"compliance"
],
"url": "https://x402-niche-briefs.fly.dev/v1/ftc-green-guides-check"
},
{
"description": "FTC Made in USA Labeling Rule (16 CFR Part 323) 'all or virtually all' standard evaluator. Pass ?us_content_pct=95&final_assembly_us=true&claim_type=unqualified|qualified. Returns risk verdict, unqualified eligibility, approved qualified claim templates ('Made in USA of U.S. and imported parts'), civil penalty notes, and BOM audit checklist. Educational reference only; not legal advice.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "unqualified",
"group": "query",
"name": "claim_type",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "true",
"group": "query",
"name": "final_assembly_us",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "95",
"group": "query",
"name": "us_content_pct",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": null,
"serviceName": "",
"tags": [
"ftc",
"made-in-usa",
"labeling",
"compliance",
"origin"
],
"url": "https://x402-niche-briefs.fly.dev/v1/ftc-made-in-usa-check"
},
{
"description": "Google Merchant Center `gtin`, `mpn`, `brand`, and `identifier_exists` feed attribute matrix. Pass ?condition=new|refurbished|custom_handmade (default new) & ?has_gtin=true|false (default true). Returns exact feed attribute values to submit, GS1 company-prefix cross-check rules, and fixes for 'Invalid value [gtin]' or 'Incorrect identifier_exists'.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "new",
"group": "query",
"name": "condition",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "true",
"group": "query",
"name": "has_gtin",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": null,
"serviceName": "",
"tags": [
"google-merchant-center",
"gmc",
"gtin",
"upc",
"gs1"
],
"url": "https://x402-niche-briefs.fly.dev/v1/google-merchant-gtin-check"
},
{
"description": "US Harmonized Tariff Schedule (HTSUS) chapter overview, Section 301 China List 1-4A additional duty bands, PGA agency flags (FDA, FCC, CPSC, TSCA, Lacey Act), and 19 USC 1304 Country of Origin marking checklist. Pass ?chapter=85_electronics|39_plastics|62_apparel|94_furniture|95_toys&origin=CN. Educational reference only; not legal advice.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "85_electronics",
"group": "query",
"name": "chapter",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "CN",
"group": "query",
"name": "origin",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": null,
"serviceName": "",
"tags": [
"hts",
"tariffs",
"section-301",
"customs",
"importer"
],
"url": "https://x402-niche-briefs.fly.dev/v1/hs-tariff-section301-brief"
},
{
"description": "Deterministic import landed cost per unit calculator. Pass ?fob_unit_usd=4.20&units=1000&freight_total_usd=850&duty_pct=7.5. Allocates FOB, ocean/air freight, customs duty, Merchandise Processing Fee (MPF), Harbor Maintenance Fee (HMF), and brokerage across the batch, returning per-unit landed cost and 2x-5x wholesale/DTC price tiers.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "7.5",
"group": "query",
"name": "duty_pct",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "4.20",
"group": "query",
"name": "fob_unit_usd",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "850",
"group": "query",
"name": "freight_total_usd",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "1000",
"group": "query",
"name": "units",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": null,
"serviceName": "",
"tags": [
"landed-cost",
"import",
"cogs",
"freight",
"pricing"
],
"url": "https://x402-niche-briefs.fly.dev/v1/landed-cost-estimator"
},
{
"description": "Heuristic calls-vs-unique-payers pattern score for the top x402 resources in the CDP Bazaar and PayAI catalogs: per resource price_usdc, unique_payers, calls, wash_risk (low/medium/high) and a reason. No input. A heuristic signal for due diligence before spending, not a finding about any seller. Cached 15 minutes.",
"method": "GET",
"parameters": [],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "2"
},
"serviceName": "x402 Listing Quality Scanner",
"tags": [
"x402",
"listing-quality",
"unique-payers",
"wash",
"discovery"
],
"url": "https://x402-niche-briefs.fly.dev/v1/listing-quality"
},
{
"description": "Top 3 x402 resources by heuristic calls-vs-unique-payers pattern score from the CDP Bazaar and PayAI catalogs, with host, resource, unique_payers, calls and wash_risk (a heuristic score, not a finding about any seller). No input. Full scored list: /v1/listing-quality ($0.01).",
"method": "GET",
"parameters": [],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "5",
"l30DaysUniquePayers": "3"
},
"serviceName": "x402 Listing Quality Teaser",
"tags": [
"x402",
"listing-quality",
"wash",
"unique-payers",
"discovery"
],
"url": "https://x402-niche-briefs.fly.dev/v1/listing-quality-teaser"
},
{
"description": "Meta Ads Policy personal-attributes rule & Special Ad Category pre-flight checker. Pass ?vertical=health_beauty|personal_finance|housing_employment|ecommerce (default health_beauty). Returns Special Ad Category triggers, banned 'you/your condition' personal-attribute patterns, compliant hook rewrites, and landing-page parity checks.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "health_beauty",
"group": "query",
"name": "vertical",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": null,
"serviceName": "",
"tags": [
"meta-ads",
"facebook-ads",
"ad-policy",
"marketing",
"compliance"
],
"url": "https://x402-niche-briefs.fly.dev/v1/meta-ad-policy-check"
},
{
"description": "Actionable micro-SaaS and subscription retention & dunning playbook. Pass ?churn_driver=failed_payments|onboarding_drop|low_usage|price_objection (default failed_payments). Returns root-cause analysis, benchmark recovery rates, step-by-step engineering/UX implementation checklist, and ready-to-use email/modal copy templates.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "failed_payments",
"group": "query",
"name": "churn_driver",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": null,
"serviceName": "",
"tags": [
"saas",
"churn",
"dunning",
"retention",
"subscriptions"
],
"url": "https://x402-niche-briefs.fly.dev/v1/micro-saas-churn-playbook"
},
{
"description": "One section of the FDA MoCRA Cosmetics Direct facility + SKU listing gap pack (5066/5067 path): ops_checklist, intake_fields, or do_not, plus buyer and trigger. Pass ?section=ops_checklist|intake_fields|do_not. JSON. Full pack: /v1/mocra-listing-gap ($0.06). Do not sign as responsible person. Ops checklist only; not legal advice. Unknown section returns 404, not charged.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "ops_checklist",
"group": "query",
"name": "section",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "2"
},
"serviceName": "",
"tags": [
"mocra",
"fda",
"cosmetics",
"listing",
"compliance"
],
"url": "https://x402-niche-briefs.fly.dev/v1/mocra-listing-gap/section"
},
{
"description": "One agent-runnable service niche brief by slug: title, buyer, first-dollar motion, as_of. Pass ?slug=<one of 11, e.g. shopify-gmc-feed-ops>. JSON. All 11 briefs: /v1/niches ($0.08). Ops notes only; no market-size claims. Unknown slug returns 404, not charged.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "shopify-gmc-feed-ops",
"group": "query",
"name": "slug",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "3",
"l30DaysUniquePayers": "3"
},
"serviceName": "Single Niche Ops Brief (by slug)",
"tags": [
"niche",
"ops",
"ecommerce",
"gmc",
"google-ads"
],
"url": "https://x402-niche-briefs.fly.dev/v1/niche-brief"
},
{
"description": "Catalog summary preview of the 11 agent-runnable service niche briefs: per niche slug, title, target buyer and as_of date. Pass ?category=all|ecommerce|compliance|b2b. JSON. Use to pick a slug before calling /v1/niche-brief?slug= ($0.01) or the full 11-brief pack with first-dollar motions at /v1/niches ($0.08). Ops notes only; no market-size claims. Unknown category returns 404, not charged.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "all",
"group": "query",
"name": "category",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "2"
},
"serviceName": "",
"tags": [
"niche",
"ops",
"ecommerce",
"shopify",
"gmc"
],
"url": "https://x402-niche-briefs.fly.dev/v1/niche-catalog"
},
{
"description": "Live check of one product page for Google Merchant Center readiness. Pass ?url=<product page>. Returns parsed schema.org Product/Offer (name, image, price, currency, availability, brand, GTIN/MPN, condition), og:price vs JSON-LD price mismatch, return/shipping markup, per-field ok/missing with GMC impact and a ready/fix_required verdict. Use before submitting a feed or appealing a price-mismatch disapproval. Not charged if the page can't be fetched.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "https://www.allbirds.com/products/mens-tree-runners",
"group": "query",
"name": "url",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "4",
"l30DaysUniquePayers": "2"
},
"serviceName": "GMC Product Page Schema Check",
"tags": [
"ecommerce",
"google-merchant-center",
"gmc",
"schema-org",
"product"
],
"url": "https://x402-niche-briefs.fly.dev/v1/product-schema-check"
},
{
"description": "California Prop 65 safe-harbor warning validator & 2025/2026 short-form chemical-naming rules. Pass ?chemical_class=phthalates|lead|bpa|acrylamide|cadmium (default phthalates) & optional ?exposure_route=consumer_product|food|apparel. Returns short-form/long-form templates, NSRL/MADL thresholds, symbol rules, and 60-day-notice defense checklist. Educational reference only; not legal advice.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "phthalates",
"group": "query",
"name": "chemical_class",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "consumer_product",
"group": "query",
"name": "exposure_route",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": null,
"serviceName": "",
"tags": [
"prop65",
"california",
"compliance",
"labeling",
"ecommerce"
],
"url": "https://x402-niche-briefs.fly.dev/v1/prop65-warning-check"
},
{
"description": "Deterministic inventory safety stock and Reorder Point (ROP) calculator for long-lead-time supply chains. Pass ?daily_units=15&lead_time_days=35&service_level_pct=95. Computes Z-score buffer across combined demand and lead-time variance, returning safety stock units, days of cover, ROP trigger units, and 60-day PO quantity.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "15",
"group": "query",
"name": "daily_units",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "35",
"group": "query",
"name": "lead_time_days",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "95",
"group": "query",
"name": "service_level_pct",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": null,
"serviceName": "",
"tags": [
"inventory",
"safety-stock",
"reorder-point",
"supply-chain",
"operations"
],
"url": "https://x402-niche-briefs.fly.dev/v1/reorder-point-safety-stock"
},
{
"description": "E-commerce return rate benchmark & root-cause reduction playbook. Pass ?category=apparel|footwear|consumer_electronics|home_kitchen|beauty (default apparel) & ?current_return_pct=22. Returns category P25, median, and P75 return rates, quartile standing, margin drag note, primary return drivers, and top PDP/packaging fixes.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "apparel",
"group": "query",
"name": "category",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "22",
"group": "query",
"name": "current_return_pct",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": null,
"serviceName": "",
"tags": [
"returns",
"reverse-logistics",
"benchmarks",
"conversion",
"apparel"
],
"url": "https://x402-niche-briefs.fly.dev/v1/return-rate-benchmark"
},
{
"description": "EU RoHS 3 (10 restricted substances) & REACH Candidate List SVHC (>0.1% w/w SCIP notification) material screening guide. Pass ?material=pvc_cable|solder_alloy|brass_fitting|silicone_housing|plated_steel (default pvc_cable). Returns max concentration thresholds, material-specific failure modes, exemptions (e.g., 6c brass), and IEC 62321 lab test methods. Educational reference only; not legal advice.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "pvc_cable",
"group": "query",
"name": "material",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": null,
"serviceName": "",
"tags": [
"rohs",
"reach",
"svhc",
"scip",
"hardware"
],
"url": "https://x402-niche-briefs.fly.dev/v1/rohs-reach-material-check"
},
{
"description": "Shopify Acceptable Use Policy & Shopify Payments underwriting/reserve risk checker. Pass ?vertical=wellness|digital_goods|nutraceuticals|knives_outdoors (default wellness). Returns prohibited vs restricted status, payout-hold trigger signals, reserve mitigation steps, and mandatory storefront disclosures.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "wellness",
"group": "query",
"name": "vertical",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": null,
"serviceName": "",
"tags": [
"shopify",
"shopify-payments",
"aup",
"underwriting",
"ecommerce"
],
"url": "https://x402-niche-briefs.fly.dev/v1/shopify-aup-risk-check"
},
{
"description": "Live storefront check for Google Merchant Center misrepresentation triggers. Pass ?url=<store domain or homepage>. Finds return/refund, shipping, privacy, terms and contact pages (homepage links plus common Shopify paths), email/phone signals, HTTPS and platform hint, and returns missing items with a low/medium/high misrepresentation risk. Use before a GMC review or appeal. Not charged if the store can't be fetched.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "https://www.allbirds.com",
"group": "query",
"name": "url",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "2"
},
"serviceName": "GMC Store Policy & Contact Check",
"tags": [
"ecommerce",
"google-merchant-center",
"gmc",
"misrepresentation",
"shopify"
],
"url": "https://x402-niche-briefs.fly.dev/v1/store-policy-check"
},
{
"description": "Stripe Prohibited & Restricted Business list, MCC classification, and underwriting readiness checker. Pass ?business_model=saas_ai|marketplace|dropshipping|supplements (default saas_ai). Returns restricted status, likely MCC code, rolling-reserve triggers (prepayments, money-transmission traps), and mandatory checkout/website readiness items.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "saas_ai",
"group": "query",
"name": "business_model",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": null,
"serviceName": "",
"tags": [
"stripe",
"payments",
"mcc",
"underwriting",
"saas"
],
"url": "https://x402-niche-briefs.fly.dev/v1/stripe-restricted-mcc-check"
},
{
"description": "Deterministic SaaS & DTC replenishment subscription LTV:CAC and payback calculator. Pass ?monthly_price_usd=29&gross_margin_pct=80&monthly_churn_pct=6.5&cac_usd=95. Returns expected subscriber tenure, gross-margin LTV, LTV:CAC ratio, CAC payback months, health verdict, and LTV dollar lift from reducing monthly churn by 1.5 points.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "95",
"group": "query",
"name": "cac_usd",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "80",
"group": "query",
"name": "gross_margin_pct",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "6.5",
"group": "query",
"name": "monthly_churn_pct",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "29",
"group": "query",
"name": "monthly_price_usd",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": null,
"serviceName": "",
"tags": [
"ltv",
"cac",
"churn",
"subscriptions",
"saas"
],
"url": "https://x402-niche-briefs.fly.dev/v1/subscription-ltv-churn-calc"
},
{
"description": "One platform section of the suspension appeal intake pack: buyer, common policies, intake fields, evidence checklist, do-nots and first-dollar motion. Pass ?platform=google-ads|shopify-gmc|tiktok-shop-ahr|etsy. JSON. Full 4-platform pack: /v1/suspension-pack ($0.12). Ops checklist only; not legal advice; no reinstatement guarantee. Unknown platform returns 404, not charged.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "google-ads",
"group": "query",
"name": "platform",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "2"
},
"serviceName": "",
"tags": [
"suspension",
"appeal",
"google-ads",
"gmc",
"tiktok-shop"
],
"url": "https://x402-niche-briefs.fly.dev/v1/suspension-pack/platform"
},
{
"description": "FTC Textile Fiber Products Identification Act (16 CFR 303) & Care Labeling Rule (16 CFR 423) validator. Pass ?composition=80_cotton_20_polyester&country_of_origin=VN. Returns formatted descending fiber line, <5% fiber disclosure rule, 'Exclusive of Decoration' threshold, RN number usage, neck-label origin placement, and care symbol rules. Educational reference only; not legal advice.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "80_cotton_20_polyester",
"group": "query",
"name": "composition",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "VN",
"group": "query",
"name": "country_of_origin",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": null,
"serviceName": "",
"tags": [
"ftc",
"textile",
"apparel",
"labeling",
"care-label"
],
"url": "https://x402-niche-briefs.fly.dev/v1/textile-fiber-label-check"
},
{
"description": "TikTok Shop US prohibited exaggerated/medical claim & creator violation-point guardrail checker. Pass ?vertical=beauty|health_wellness|gadgets|fashion (default beauty). Returns prohibited live-stream/video claims (instant results, weight-loss numbers, brand-dupe audio), compliant script rewrites, and Account Health Rating (AHR) enforcement notes.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "beauty",
"group": "query",
"name": "vertical",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": null,
"serviceName": "",
"tags": [
"tiktok-shop",
"ahr",
"creator",
"live-shopping",
"compliance"
],
"url": "https://x402-niche-briefs.fly.dev/v1/tiktok-shop-claim-check"
},
{
"description": "Great Britain UKCA & indefinite CE mark recognition conformity checker. Pass ?product_group=electronics|toys|machinery|ppe (default electronics). Returns applicable UK Statutory Instruments, GB CE recognition status, BS designated standards, UK importer postal-address labeling duties, and Northern Ireland Windsor Framework rules. Educational reference only; not legal advice.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "electronics",
"group": "query",
"name": "product_group",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": null,
"serviceName": "",
"tags": [
"ukca",
"uk-compliance",
"ce-marking",
"importer",
"ecommerce"
],
"url": "https://x402-niche-briefs.fly.dev/v1/ukca-conformity-check"
},
{
"description": "OSHA NRTL electrical/battery safety standard mapper for ecommerce marketplace compliance gates. Pass ?category=power_supply|luminaires|kitchen_appliance|lithium_battery (default power_supply). Returns required UL/CSA standards (UL 62368-1, UL 1598/153, UL 1026, UL 2056/UN 38.3), verification directories, and counterfeit safety-mark red flags. Educational reference only; not legal advice.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "power_supply",
"group": "query",
"name": "category",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": null,
"serviceName": "",
"tags": [
"ul",
"etl",
"nrtl",
"product-safety",
"electronics"
],
"url": "https://x402-niche-briefs.fly.dev/v1/ul-etl-safety-mark-check"
},
{
"description": "Walmart Fulfillment Services (WFS) inbound packaging, polybag suffocation warning (>=5 in opening), and GTIN/UPC barcode prep checker. Pass ?packaging=polybag|case_pack|fragile_glass|apparel (default polybag). Returns mil thickness rules, carton weight/length caps, barcode placement rules, and top receiving rejection causes.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "polybag",
"group": "query",
"name": "packaging",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": null,
"serviceName": "",
"tags": [
"walmart",
"wfs",
"fulfillment",
"packaging",
"barcode"
],
"url": "https://x402-niche-briefs.fly.dev/v1/walmart-wfs-prep-check"
},
{
"description": "Deterministic B2B wholesale keystone & distributor margin stack calculator. Pass ?msrp_usd=40&unit_cogs_usd=7.50&wholesale_discount_pct=50&moq_units=100. Returns wholesale unit price, brand gross profit/margin, MOQ order value, distributor-tier margin (at 25% distributor cut), and MAP policy readiness checklist.",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "100",
"group": "query",
"name": "moq_units",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "40",
"group": "query",
"name": "msrp_usd",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "7.50",
"group": "query",
"name": "unit_cogs_usd",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "50",
"group": "query",
"name": "wholesale_discount_pct",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": null,
"serviceName": "",
"tags": [
"wholesale",
"b2b",
"margin",
"moq",
"map-policy"
],
"url": "https://x402-niche-briefs.fly.dev/v1/wholesale-moq-margin-check"
}
],
"enriched": false,
"iconUrl": "",
"id": "x402-niche-briefs-fly-dev",
"integrationType": "",
"isNew": false,
"name": "x402-niche-briefs.fly.dev",
"networks": [
"Base"
],
"priceSummary": {
"avgCostBasis": "exact",
"avgCostPerTransaction": "0.01",
"currency": "USDC",
"maxAmount": "0.01",
"minAmount": "0.01"
},
"provider": "x402-niche-briefs.fly.dev",
"providerUrl": "",
"serviceName": "",
"tags": [
"amazon",
"seller-central",
"fifra",
"supplements",
"asin-suppression",
"x402",
"b2b",
"agents",
"microservices",
"api-design",
"bundles",
"pricing",
"aov",
"unit-economics",
"dtc",
"california",
"delete-act",
"drop",
"data-broker",
"privacy",
"ce-marking",
"eu-compliance",
"gpsr",
"electronics",
"toys",
"chargebacks",
"disputes",
"visa",
"mastercard",
"payments",
"prop65",
"ftc",
"click-to-cancel",
"rosca",
"epr",
"cpsc",
"cpc",
"gcc",
"efiling",
"importer",
"section-321",
"de-minimis",
"cbp",
"customs",
"cross-border",
"dim-weight",
"shipping",
"packaging",
"logistics",
"ups",
"ebay",
"vero",
"trademark",
"first-sale",
"marketplace",
"etsy",
"handmade",
"print-on-demand",
"policy",
"amazon-fba",
"margin",
"acos",
"roas",
"fcc",
"part15",
"sdoc",
"wireless",
"fda",
"mocra",
"cosmetics",
"inci",
"labeling",
"green-guides",
"sustainability",
"compliance",
"made-in-usa",
"origin",
"google-merchant-center",
"gmc",
"gtin",
"upc",
"gs1",
"hts",
"tariffs",
"section-301",
"landed-cost",
"import",
"cogs",
"freight",
"listing-quality",
"unique-payers",
"wash",
"discovery",
"meta-ads",
"facebook-ads",
"ad-policy",
"marketing",
"saas",
"churn",
"dunning",
"retention",
"subscriptions",
"listing",
"niche",
"ops",
"ecommerce",
"google-ads",
"shopify",
"schema-org",
"product",
"inventory",
"safety-stock",
"reorder-point",
"supply-chain",
"operations",
"returns",
"reverse-logistics",
"benchmarks",
"conversion",
"apparel",
"rohs",
"reach",
"svhc",
"scip",
"hardware",
"shopify-payments",
"aup",
"underwriting",
"misrepresentation",
"stripe",
"mcc",
"ltv",
"cac",
"suspension",
"appeal",
"tiktok-shop",
"textile",
"care-label",
"ahr",
"creator",
"live-shopping",
"ukca",
"uk-compliance",
"ul",
"etl",
"nrtl",
"product-safety",
"walmart",
"wfs",
"fulfillment",
"barcode",
"wholesale",
"moq",
"map-policy"
]
},
"source": "agentic_market",
"summary": ""
}What the leaf hashes
{"body":"5d73d04e91344b8b3b342ca988eefee426cea609bcd7d711203e0225dc61035b","id":4522,"kind":"listing","method":"baseline/1","observed_us":1793025278027132,"prev":null,"subject":"agentic_market:x402-niche-briefs-fly-dev","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).
- 0x81389ecfa407b4f355f3b72e1f6fb8503a9eb000938cee2b64caa4874343c22f
- 0x5df21ef7e6d938700c4fbb95573dc302ed8cae1c2a63a290ffda134c1a8eeaed
- 0x75e8db9b84ee6eb665258297e3edb9e7ed580f4f1bb52765787272b50208bfa2
- 0x133c42d2e77dcd57a8ae8a8ecb84426d2f075509bad53b59c703779020caaaa8
- 0x4134d4eb789fa6c9f88c14cd5b9ddf62ed5a0831c0111c91975ad335422aa1a4
- 0x470df2141eaffca217224be09cf80d822eec60c4dad8e287425edd05c208b67d
- 0x15e0bab7d3f6956424cd4f8127c9d72dce3d65c9559c5b5d69e2575a4ef0a93b
- 0x3967bd02f73361cd183d78e41217ca5641bee7020bd10d9082d8a3004797c970
- 0x947bf51fe747d6f31e2541b7a83a5299be25717c13b588d8ef64a531b5470529
- 0xa6bf3e233d964bf47c35e307fb1e82a9db46b720ed0d1a887fab65896dbfda9a
- 0xb998e012b473bde18346485cd0b7b8b31ab48d5f22ba9bc660bb2e523161e255
- 0x08155d70132f82e370214fc5b72194dfa6f5e57670b7bcf74776e8418302897e
- 0x4d2ee986a690e903126f449b4e9e62d5572b350357ab4496a83488949b131c29
- 0x0eff463856b0992d53ab7d8c0b97c71541413358bdd445710c1e4b6aeb4d8f78
- 0x7eb603d37f0f22dae1ea013e391889906ffc0139ff26e25b044bee38eec8f9b2
- 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
- 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae