← The evidence ledger
Evidence row 1518
Observed , by baseline/1.
- Kind
- listing
- About
- source_record agentic_market:api-wsystem-dev
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 2e6768dad00c1409d5c43b251dc33a88b08cd45ada0e816b636c7efc028f8b24
- Leaf
- 0x0eb2ff5e1cd36a6c5c3fdd7c5657e35089600d0f2cff5ca470b0183b6e219950
What was observed
{
"endpoints": [
[
"x402",
"https://api.wsystem.dev/company"
],
[
"x402",
"https://api.wsystem.dev/company/batch"
],
[
"x402",
"https://api.wsystem.dev/ddreport"
],
[
"x402",
"https://api.wsystem.dev/einvoice/create"
],
[
"x402",
"https://api.wsystem.dev/einvoice/route"
],
[
"x402",
"https://api.wsystem.dev/einvoice/send"
],
[
"x402",
"https://api.wsystem.dev/einvoice/validate"
],
[
"x402",
"https://api.wsystem.dev/eori"
],
[
"x402",
"https://api.wsystem.dev/eori/batch"
],
[
"x402",
"https://api.wsystem.dev/kyb/check"
],
[
"x402",
"https://api.wsystem.dev/sanctions/screen"
],
[
"x402",
"https://api.wsystem.dev/sanctions/screen/batch"
],
[
"x402",
"https://api.wsystem.dev/verify"
],
[
"x402",
"https://api.wsystem.dev/verify/batch"
]
],
"name": "api.wsystem.dev",
"owner_address": null,
"raw": {
"caip2_networks": [
"eip155:8453"
],
"category": "",
"description": "",
"domain": "api.wsystem.dev",
"endpoints": [
{
"description": "EU company registry lookup by name or registration number",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "FR",
"group": "query",
"name": "country",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "552032534",
"group": "query",
"name": "q",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "1",
"l30DaysUniquePayers": "1"
},
"serviceName": "",
"tags": [],
"url": "https://api.wsystem.dev/company"
},
{
"description": "Batch EU company registry lookup in official business registers (up to 25 queries per request)",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": 2,
"group": "body",
"name": "limit",
"required": false,
"type": "number"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": [],
"group": "body",
"name": "queries",
"required": false,
"type": "array"
}
],
"pricing": {
"amount": "0.1",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "1"
},
"serviceName": "",
"tags": [],
"url": "https://api.wsystem.dev/company/batch"
},
{
"description": "Counterparty due-diligence report: VAT + business register + sanctions + EORI + GLEIF LEI + Peppol, risk flags and verdict with sources and timestamp",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "FR40303265045",
"group": "body",
"name": "company",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "FR",
"group": "body",
"name": "country",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.49",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "1",
"l30DaysUniquePayers": "1"
},
"serviceName": "",
"tags": [],
"url": "https://api.wsystem.dev/ddreport"
},
{
"description": "Create a validated EU e-invoice (UBL 2.1: EN 16931, XRechnung or Peppol BIS 3 structure) from simple JSON; totals and VAT breakdown computed",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": null,
"group": "body",
"name": "buyer",
"required": false,
"type": "object"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "04011000-12345-34",
"group": "body",
"name": "buyer_reference",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "xrechnung",
"group": "body",
"name": "format",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "INV-1001",
"group": "body",
"name": "invoice_number",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "2026-10-18",
"group": "body",
"name": "issue_date",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": [],
"group": "body",
"name": "lines",
"required": false,
"type": "array"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": null,
"group": "body",
"name": "payment",
"required": false,
"type": "object"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": null,
"group": "body",
"name": "seller",
"required": false,
"type": "object"
}
],
"pricing": {
"amount": "0.08",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "1",
"l30DaysUniquePayers": "1"
},
"serviceName": "",
"tags": [],
"url": "https://api.wsystem.dev/einvoice/create"
},
{
"description": "Can I e-invoice this company? EU VAT (VIES) + Peppol Directory registration + country B2B e-invoice mandate + recommended format",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "BE0403170701",
"group": "query",
"name": "id",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.02",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "1",
"l30DaysUniquePayers": "1"
},
"serviceName": "",
"tags": [],
"url": "https://api.wsystem.dev/einvoice/route"
},
{
"description": "SANDBOX e-invoice send flow: VIES buyer check + sanctions + EN 16931 UBL create/validate + Peppol/mandate route + sandbox transport (mock, Recommand playground or e-invoice.be test mode; loopback recipient, nothing reaches a real buyer) + Ed25519-signed evidence receipt",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": null,
"group": "body",
"name": "invoice",
"required": false,
"type": "object"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "sandbox",
"group": "body",
"name": "mode",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": "mock",
"group": "body",
"name": "transport",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.08",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "1",
"l30DaysUniquePayers": "1"
},
"serviceName": "",
"tags": [],
"url": "https://api.wsystem.dev/einvoice/send"
},
{
"description": "Validate an EU e-invoice (UBL, CII or ZUGFeRD/Factur-X PDF) against official EN 16931 and XRechnung rules; errors with rule IDs and plain-English fixes",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "<Invoice xmlns=\"urn:oasis:names:specification:ubl:schema:xsd:Invoice-2\">...</Invoice>",
"group": "body",
"name": "xml",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.03",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "1",
"l30DaysUniquePayers": "1"
},
"serviceName": "",
"tags": [],
"url": "https://api.wsystem.dev/einvoice/validate"
},
{
"description": "EU EORI number validation via official EC EOS: valid/invalid, name and address when disclosed",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "SE5560360793",
"group": "query",
"name": "eori",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "1",
"l30DaysUniquePayers": "1"
},
"serviceName": "",
"tags": [],
"url": "https://api.wsystem.dev/eori"
},
{
"description": "Batch EU EORI validation via official EC EOS (up to 100 per request)",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": [],
"group": "body",
"name": "eoris",
"required": false,
"type": "array"
}
],
"pricing": {
"amount": "0.1",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "1"
},
"serviceName": "",
"tags": [],
"url": "https://api.wsystem.dev/eori/batch"
},
{
"description": "One-call KYB check of an EU company: VIES VAT validation + official business register + EU/UN/OFAC/UK sanctions screening -> pass/review/fail verdict ($0.045 per company)",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "FR40303265045",
"group": "body",
"name": "company",
"required": false,
"type": "string"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": 90,
"group": "body",
"name": "threshold",
"required": false,
"type": "number"
}
],
"pricing": {
"amount": "0.045",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "1"
},
"serviceName": "",
"tags": [],
"url": "https://api.wsystem.dev/kyb/check"
},
{
"description": "Sanctions screening of a person/company name against official EU, UN, OFAC SDN and UK lists (fuzzy match, 0-100 scores, daily refresh)",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "Sberbank",
"group": "query",
"name": "name",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "1",
"l30DaysUniquePayers": "1"
},
"serviceName": "",
"tags": [],
"url": "https://api.wsystem.dev/sanctions/screen"
},
{
"description": "Batch sanctions screening of up to 50 names against official EU, UN, OFAC SDN and UK lists",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": [],
"group": "body",
"name": "names",
"required": false,
"type": "array"
},
{
"default": null,
"description": "",
"enumValues": [],
"example": 85,
"group": "body",
"name": "threshold",
"required": false,
"type": "number"
}
],
"pricing": {
"amount": "0.1",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "1"
},
"serviceName": "",
"tags": [],
"url": "https://api.wsystem.dev/sanctions/screen/batch"
},
{
"description": "EU VAT number validation via official VIES (all 27 EU states + XI): valid/invalid, name, address, consultation (proof) number",
"method": "GET",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": "IE6388047V",
"group": "query",
"name": "vat",
"required": false,
"type": "string"
}
],
"pricing": {
"amount": "0.01",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "1",
"l30DaysUniquePayers": "1"
},
"serviceName": "",
"tags": [],
"url": "https://api.wsystem.dev/verify"
},
{
"description": "Batch EU VAT validation via VIES (up to 100 per request)",
"method": "POST",
"parameters": [
{
"default": null,
"description": "",
"enumValues": [],
"example": [],
"group": "body",
"name": "vats",
"required": false,
"type": "array"
}
],
"pricing": {
"amount": "0.1",
"currency": "USDC",
"maxAmount": "",
"minAmount": "",
"network": "eip155:8453",
"scheme": "exact"
},
"providerName": "",
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "1"
},
"serviceName": "",
"tags": [],
"url": "https://api.wsystem.dev/verify/batch"
}
],
"enriched": false,
"iconUrl": "",
"id": "api-wsystem-dev",
"integrationType": "",
"isNew": false,
"name": "api.wsystem.dev",
"networks": [
"Base"
],
"priceSummary": {
"avgCostBasis": "exact",
"avgCostPerTransaction": "0.084643",
"currency": "USDC",
"maxAmount": "0.49",
"minAmount": "0.01"
},
"provider": "api.wsystem.dev",
"providerUrl": "",
"serviceName": "",
"tags": []
},
"source": "agentic_market",
"summary": ""
}What the leaf hashes
{"body":"2e6768dad00c1409d5c43b251dc33a88b08cd45ada0e816b636c7efc028f8b24","id":1518,"kind":"listing","method":"baseline/1","observed_us":1793025254267687,"prev":null,"subject":"agentic_market:api-wsystem-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).
- 0x0eb2c0e7d791a7481e1f714e161e110c3666df95406e37f7f29856e3c605d310
- 0xa28abd66868f500fa9f55f710390b1906254773cd003587cc91a69fa028187ee
- 0x504edd9be8ef32b281ebd5d532046a7058e2662cc81c694a170acb4c1d2642a7
- 0x5e966108ab5840d434dd1a33b7c527005935fc5ab608c278d729f9d8324f335f
- 0x910c210cd9747e3615adcbacc3f794652762098af38ba638951c5bab89ebb603
- 0x75c2f0e278b29d5ea333bd36ce27a201cb534f692ea340ef26da5b6d4d97f57c
- 0x8571a047b58c050917daf4b027289e0a8d19bd794412adbf67e60802de11c340
- 0x6ade150ca08284589b957764cdc1fbe237b87bbd219d1a17f5cd527d5f17b916
- 0x237ff8ead2e807c8c8253ebc3fbd3c0d1d8bc94d78c3e36dfc13945e41878a0f
- 0x36de94df31980769366d6459ea42b641bdc51120bfd8317d0101e69404feba8e
- 0x1e6a5f0042a4b7776e54cf79ce729b60eac17c4eb209cc9613fcd31c9fa0d26c
- 0x129649b2ec48fbc611fb055c3f5627bda42692beb65d09e853d75bcda4e06239
- 0x294f7935f78a896b5f246a7c9a7ee1b023720acdb03fff3cd549c63479848ec9
- 0xb49e8c2564256e5322e375cb619d9ac70fd17c1d1eba9c991bba4cb6428f45cc
- 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
- 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
- 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
- 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
- 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
- Day root
- 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
- Chained
- 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
- Published
- On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae