← The evidence ledger
Evidence row 1305
Observed , by baseline/1.
- Kind
- listing
- About
- source_record agentic_market:api-maximusmediahouse-com
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 264922cdd68cf946f31e6e0f4eb50581d2ea003b7cc5b15e2ca322248b68d5dc
- Leaf
- 0xb651b536403e708e9c76ad7641a80daedc67b0931f9949958569aebbefa71a20
What was observed
{
"endpoints": [
[
"x402",
"https://api.maximusmediahouse.com/v1/batch"
],
[
"x402",
"https://api.maximusmediahouse.com/v1/chunk"
],
[
"x402",
"https://api.maximusmediahouse.com/v1/classify"
],
[
"x402",
"https://api.maximusmediahouse.com/v1/dedupe"
],
[
"x402",
"https://api.maximusmediahouse.com/v1/diff"
],
[
"x402",
"https://api.maximusmediahouse.com/v1/extract"
],
[
"x402",
"https://api.maximusmediahouse.com/v1/extract_custom"
],
[
"x402",
"https://api.maximusmediahouse.com/v1/hash"
],
[
"x402",
"https://api.maximusmediahouse.com/v1/normalize"
],
[
"x402",
"https://api.maximusmediahouse.com/v1/redact"
],
[
"x402",
"https://api.maximusmediahouse.com/v1/slugify"
],
[
"x402",
"https://api.maximusmediahouse.com/v1/validate"
],
[
"x402",
"https://api.maximusmediahouse.com/v1/validate_json"
]
],
"name": "api.maximusmediahouse.com",
"owner_address": null,
"raw": {
"caip2_networks": [
"eip155:8453"
],
"category": "",
"description": "",
"domain": "api.maximusmediahouse.com",
"endpoints": [
{
"description": "Run up to 10 primitive calls in one round trip. One x402 payment of $0.40 (=$0.04 per call, 20% off the single-call price). Each request specifies an `endpoint` (normalize, validate, extract, redact, classify, dedupe, diff, chunk, extract_custom, validate_json, slugify, hash) and the input for it; the response carries 10 results in the same order. Single-call batch — no streaming.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": [],
"group": "body",
"name": "requests",
"required": false,
"type": "array"
}
],
"pricing": {
"amount": "0.4",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "1",
"l30DaysUniquePayers": "1"
},
"serviceName": "PrepLayer.ai",
"tags": [
"text-processing",
"deterministic",
"preprocessing",
"x402",
"agents"
],
"url": "https://api.maximusmediahouse.com/v1/batch"
},
{
"description": "Split long text into pieces for RAG retrieval. Strategies: 'sentence' packs whole sentences into a size budget and never splits mid-sentence; 'paragraph' prefers \\n\\n boundaries; 'fixed' is a hard char window with overlap. The highest-value endpoint for agents that build retrieval pipelines.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": 100,
"group": "body",
"name": "overlap",
"required": false,
"type": "number"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": 1000,
"group": "body",
"name": "size",
"required": false,
"type": "number"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "sentence",
"group": "body",
"name": "strategy",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "…",
"group": "body",
"name": "text",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.005",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "2"
},
"serviceName": "PrepLayer.ai",
"tags": [
"text-processing",
"deterministic",
"preprocessing",
"x402",
"agents"
],
"url": "https://api.maximusmediahouse.com/v1/chunk"
},
{
"description": "Rule-based multi-label text classification over a fixed taxonomy (urgency, financial_promise, credential_request, crypto_mention, cta, legal_offer, medical_claim, seo_spam, url_shortener, press_release, question, has_contact). Deterministic - identical text always yields identical labels.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "The quick brown fox jumps over the lazy dog.",
"group": "body",
"name": "text",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.003",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "3",
"l30DaysUniquePayers": "2"
},
"serviceName": "PrepLayer.ai",
"tags": [
"text-processing",
"deterministic",
"preprocessing",
"x402",
"agents"
],
"url": "https://api.maximusmediahouse.com/v1/classify"
},
{
"description": "Near-duplicate detection across a batch of documents. Exact Jaccard similarity over word-3-shingle sets decides duplication; a 64-bit SimHash is returned per document as a compact content fingerprint. Up to 200 documents per call.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": [],
"group": "body",
"name": "documents",
"required": false,
"type": "array"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": 60,
"group": "body",
"name": "threshold",
"required": false,
"type": "number"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "5",
"l30DaysUniquePayers": "3"
},
"serviceName": "PrepLayer.ai",
"tags": [
"text-processing",
"deterministic",
"preprocessing",
"x402",
"agents"
],
"url": "https://api.maximusmediahouse.com/v1/dedupe"
},
{
"description": "Line-level LCS diff of two text blobs. Returns a structured edit script with insertions, deletions, unchanged line counts and per-operation metadata; with format='unified' also returns a unified-diff string.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "the quick brown fox",
"group": "body",
"name": "a",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "the quick red fox",
"group": "body",
"name": "b",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "unified",
"group": "body",
"name": "format",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.005",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "2"
},
"serviceName": "PrepLayer.ai",
"tags": [
"text-processing",
"deterministic",
"preprocessing",
"x402",
"agents"
],
"url": "https://api.maximusmediahouse.com/v1/diff"
},
{
"description": "Extract structured fields from unstructured text with byte offsets and normalized values: emails, URLs, IPv4, phones, money amounts, ISO dates, UUIDs, EVM addresses, SKUs, semver.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "Mail user@example.com or visit https://example.com",
"group": "body",
"name": "text",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": [],
"group": "body",
"name": "types",
"required": false,
"type": "array"
}
],
"pricing": {
"amount": "0.005",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "2"
},
"serviceName": "PrepLayer.ai",
"tags": [
"text-processing",
"deterministic",
"preprocessing",
"x402",
"agents"
],
"url": "https://api.maximusmediahouse.com/v1/extract"
},
{
"description": "Pull caller-defined structured fields from text using regex patterns with deterministic type coercion. Supported types: string, bool, date, url, email, number. Returns {fields: {name: value|null}, found, missing}. Pure deterministic — no LLM call.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": [],
"group": "body",
"name": "fields",
"required": false,
"type": "array"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "Ticket TKT-1234 for $42.00",
"group": "body",
"name": "text",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.005",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "3",
"l30DaysUniquePayers": "2"
},
"serviceName": "PrepLayer.ai",
"tags": [
"text-processing",
"deterministic",
"preprocessing",
"x402",
"agents"
],
"url": "https://api.maximusmediahouse.com/v1/extract_custom"
},
{
"description": "Content-addressable hashing for caching and dedup. Three algorithms: sha256 (via node:crypto / Web Crypto), xxhash64 and murmur3 (inline pure-JS, deterministic across runs). Returns hex digest + algorithm + byte count.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "sha256",
"group": "body",
"name": "algo",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "some content",
"group": "body",
"name": "text",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.002",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "2"
},
"serviceName": "PrepLayer.ai",
"tags": [
"text-processing",
"deterministic",
"preprocessing",
"x402",
"agents"
],
"url": "https://api.maximusmediahouse.com/v1/hash"
},
{
"description": "Deterministic text normalization: Unicode NFKC, zero-width/bidi stripping, smart-quote and dash folding, whitespace collapse, case folding. Returns a stable content hash so two texts can be compared for exact equality.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "Hello, world—",
"group": "body",
"name": "text",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.002",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "4",
"l30DaysUniquePayers": "2"
},
"serviceName": "PrepLayer.ai",
"tags": [
"text-processing",
"deterministic",
"preprocessing",
"x402",
"agents"
],
"url": "https://api.maximusmediahouse.com/v1/normalize"
},
{
"description": "Redact PII from text before it is stored or logged. Returns redacted text plus exact byte spans and counts per class: credit_card, iban, email, private_key, evm_address, phone, ipv4, url.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": [],
"group": "body",
"name": "classes",
"required": false,
"type": "array"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "SSN 123-45-6789",
"group": "body",
"name": "text",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.005",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "2"
},
"serviceName": "PrepLayer.ai",
"tags": [
"text-processing",
"deterministic",
"preprocessing",
"x402",
"agents"
],
"url": "https://api.maximusmediahouse.com/v1/redact"
},
{
"description": "URL-safe slug from arbitrary text. NFKD-decomposes unicode (é -> e), lowercases, replaces every non-[a-z0-9] run with a separator, strips leading/trailing separators, truncates on separator boundaries (never mid-word).",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "Café Déjà Vu — Episode 1",
"group": "body",
"name": "text",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.002",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "2"
},
"serviceName": "PrepLayer.ai",
"tags": [
"text-processing",
"deterministic",
"preprocessing",
"x402",
"agents"
],
"url": "https://api.maximusmediahouse.com/v1/slugify"
},
{
"description": "Validate and canonicalize one identifier: email, URL, E.164 phone, IBAN (mod-97), payment card (Luhn), UUID, SHA-256, git SHA, EVM address (EIP-55) or domain. Returns {valid, canonical, fingerprint}.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "email",
"group": "body",
"name": "kind",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "User@Example.COM",
"group": "body",
"name": "value",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.002",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "6",
"l30DaysUniquePayers": "4"
},
"serviceName": "PrepLayer.ai",
"tags": [
"text-processing",
"deterministic",
"preprocessing",
"x402",
"agents"
],
"url": "https://api.maximusmediahouse.com/v1/validate"
},
{
"description": "Deterministic JSON-Schema subset validator. Catches malformed JSON before it breaks a pipeline. Supports: type, required, properties, items, minLength, maxLength, pattern, enum, minimum, maximum, additionalProperties. No external dependencies.",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "{\"b\":2,\"a\":1}",
"group": "body",
"name": "json",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.003",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "2"
},
"serviceName": "PrepLayer.ai",
"tags": [
"text-processing",
"deterministic",
"preprocessing",
"x402",
"agents"
],
"url": "https://api.maximusmediahouse.com/v1/validate_json"
}
],
"enriched": false,
"iconUrl": "",
"id": "api-maximusmediahouse-com",
"integrationType": "",
"isNew": false,
"name": "api.maximusmediahouse.com",
"networks": [
"Base"
],
"priceSummary": {
"avgCostBasis": "exact",
"avgCostPerTransaction": "0.034538",
"currency": "USDC",
"maxAmount": "0.4",
"minAmount": "0.002"
},
"provider": "api.maximusmediahouse.com",
"providerUrl": "",
"serviceName": "PrepLayer.ai",
"tags": [
"text-processing",
"deterministic",
"preprocessing",
"x402",
"agents"
]
},
"source": "agentic_market",
"summary": ""
}What the leaf hashes
{"body":"264922cdd68cf946f31e6e0f4eb50581d2ea003b7cc5b15e2ca322248b68d5dc","id":1305,"kind":"listing","method":"baseline/1","observed_us":1793025253287934,"prev":null,"subject":"agentic_market:api-maximusmediahouse-com","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).
- 0xb6519d2686d28d4c11c4e92349f8f05f6c15119cebbbca5ec92074a80fe12af9
- 0x143c64bbd8452eed125aed7b07e7ddaf38fc6f5946a31cf4182d52e9f340674e
- 0x9e64a24f11a455a4bf6d860fb5f7a5d52d1b18ce04ad47a5aebdd60cd6014fb3
- 0x2be354254d1efd0a31b85811d80e569be955de2a9c37d11833f94ee71d796521
- 0x183052b38fed678bd0c8402d42a301847522ecc0f04294aa392811acc274c0c0
- 0xe188f6624a4ecd1d24e8c784ec5f74d3912f4b40df22d075a1dc9f51af269ea3
- 0x320a98a342fc60fe66c16696f6c54341d1ab97ef26bab051c3b0a1af79e7f176
- 0x8a35e48e739b861bc618f91f72cd677ce5767dfd38a788eb759f595f3bb84090
- 0x17c5eb499c739104e3ee6760572356177431c4d3f08fa40547afffb9721d3885
- 0x083b213d55f010a12e9f2c7182db3d2a36f1323ef61111ababe982fa9f8e6726
- 0xfa91c460bb9b05b6890b46e5326a89c9e487b6419bd4d84337c05040222a2e6c
- 0x17930d484cab3f6850715eb0b77dd189c3c06f975cf9def12285fde3eb9b4234
- 0x0d86419ca1dd0b62fd8b22ea2e8c74d441312cec3116a467bea429b43e026565
- 0x083427e39db4dd470662401f6db5db8fadf084fc4274cf8621b368416952b78b
- 0x1a74ed3b3756b9cd946da49701bcec120ec88645013da99fa9eea60b39e1a570
- 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
- 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
- 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae