Sirenic
L
The wallet the 402 directs payment to. Its whole payment record — every payer, every chain — is on the merchant page.
Asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
The payTo wallet does not resolve to a registered ERC-8004 agent. That is not a verdict on the service — most of the catalog is unregistered.
Live 402 challenge
Captured by the enrichment pass, not read just now. Prices can change — always read the 402 the endpoint answers with.
{
"error": "payment_required",
"price": "$0.01",
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0x76A672EEe56D29D475b0715cc03B8C99D70EC8A2",
"amount": "10000",
"scheme": "exact",
"network": "eip155:8453",
"mimeType": "application/json",
"resource": "https://api.sirenic.eu/v1/eu/entreprise/RO/{cui}",
"description": "Official Romanian company registry lookup (ONRC, Registrul Comerțului — monthly open-data snapshot on data.gov.ro, CC BY 4.0). Query: /v1/eu/entreprise/RO/412052 (CUI / fiscal code, RO prefix accepted). Current name, legal form, every registration code of the company (re-registrations kept), the register's status codes in closed families (in operation, struck off, insolvency, bankruptcy, liquidation, dissolution, suspension, alerts), registered office, plus registre_ro. Legal persons only.",
"maxAmountRequired": "10000",
"maxTimeoutSeconds": 120
},
{
"asset": "0x60a3E35Cc302bFA44Cb288Bc5a4F316Fdb1adb42",
"extra": {
"name": "EURC",
"version": "2"
},
"payTo": "0x76A672EEe56D29D475b0715cc03B8C99D70EC8A2",
"amount": "10000",
"scheme": "exact",
"network": "eip155:8453",
"mimeType": "application/json",
"resource": "https://api.sirenic.eu/v1/eu/entreprise/RO/{cui}",
"description": "Official Romanian company registry lookup (ONRC, Registrul Comerțului — monthly open-data snapshot on data.gov.ro, CC BY 4.0). Query: /v1/eu/entreprise/RO/412052 (CUI / fiscal code, RO prefix accepted). Current name, legal form, every registration code of the company (re-registrations kept), the register's status codes in closed families (in operation, struck off, insolvency, bankruptcy, liquidation, dissolution, suspension, alerts), registered office, plus registre_ro. Legal persons only.",
"maxAmountRequired": "10000",
"maxTimeoutSeconds": 120
}
],
"message": "Paid endpoint. Retry with an x402 payment header. Price: $0.01 in USDC (or the same numeric amount in EURC) on Base (mainnet). Paying in EURC requires an explicit client opt-in since @x402/core 2.23 (spendControls.allowedAssets), otherwise your client silently keeps the USDC option. Set allowedAssets[].maxAmountPerPayment as well (integer ATOMIC amount, e.g. \"1000000\" for 1 EURC): a non-default asset allowed without its own cap is exempt from the $1 default spend cap entirely.",
"preview": "https://api.sirenic.eu/preview/entreprise/55203253400646",
"x402Version": 2,
"documentation": "https://api.sirenic.eu/llms.txt"
}Accepts
The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.
Pay 0.01 USDC on Base to 0x76A6…EC8A2. The signed payment is good for 2 minutes.
- Paid to
- 0x76A6…EC8A2
- USD Coin contract
- 0x8335…02913
- Payment window
- 2 minutes
- As published
- 10000 smallest units
That figure is in the token’s smallest units. Roundhouse does not hold this contract’s decimals, so it is shown as published rather than converted.
- Paid to
- 0x76A6…EC8A2
- Token contract
- 0x60a3…adb42
- Payment window
- 2 minutes
The catalog’s raw entry
[
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0x76A672EEe56D29D475b0715cc03B8C99D70EC8A2",
"amount": "10000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 120
},
{
"asset": "0x60a3E35Cc302bFA44Cb288Bc5a4F316Fdb1adb42",
"extra": {
"name": "EURC",
"version": "2"
},
"payTo": "0x76A672EEe56D29D475b0715cc03B8C99D70EC8A2",
"amount": "10000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 120
}
]Extensions
{
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"pathParams": {
"cui": "3474203"
},
"queryParams": {}
},
"output": {
"type": "json",
"example": {
"pays": "RO",
"statut": "actif",
"registre": "Oficiul Național al Registrului Comerțului (ONRC, Registrul Comerțului)",
"id_national": "3474203",
"registre_ro": {
"cui": "3474203",
"photo": "2026-09-02",
"siege": {
"pays": "RO",
"judet": "Ilfov",
"localitate": "Chiajna"
},
"statut": "servi",
"statuts": [
{
"fr": "en fonction",
"code": 1048,
"famille": "active",
"libelle_ro": "funcțiune"
},
{
"fr": "radiée",
"code": 1084,
"famille": "radiation",
"libelle_ro": "radiată"
}
],
"inscriptions": [
{
"euid": "ROONRC.J2024004913234",
"forme": {
"code": "SRL"
},
"judet": "Ilfov",
"courante": true,
"inscrit_le": "2024-07-08",
"denomination": "ORIENT COMEX S.R.L.",
"cod_inmatriculare": "J2024004913234"
},
{
"euid": "ROONRC.J40/5594/1992",
"forme": {
"code": "SRL"
},
"judet": "Bucureşti",
"courante": false,
"inscrit_le": "1992-03-10",
"denomination": "ORIENT COMEX SRL",
"cod_inmatriculare": "J40/5594/1992"
}
],
"mandats_publies": 3,
"familles_presentes": [
"active",
"radiation"
],
"procedure_au_registre": false,
"premiere_immatriculation_le": "1992-03-10",
"succursales_autres_etats_membres": []
},
"denomination": "ORIENT COMEX S.R.L.",
"identifiants": {
"lei": null,
"tva": null
},
"adresse_siege": {
"pays": "RO",
"ville": "Chiajna",
"adresse": "Str. <rue>, nr. <n>",
"code_postal": null
},
"date_creation": "1992-03-10",
"statut_detail": null,
"forme_juridique": {
"code": "SRL",
"libelle": "société à responsabilité limitée (societate cu răspundere limitată)"
}
}
}
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"input"
],
"properties": {
"input": {
"type": "object",
"required": [
"type",
"method"
],
"properties": {
"type": {
"type": "string",
"const": "http"
},
"method": {
"enum": [
"GET"
],
"type": "string"
},
"pathParams": {
"type": "object",
"required": [
"cui"
],
"properties": {
"cui": {
"type": "string",
"description": "Romanian CUI / fiscal code, 1 to 10 digits, RO prefix accepted (e.g. 3474203) — ONRC, Registrul Comerțului; legal persons only"
}
}
},
"queryParams": {
"type": "object",
"properties": {}
}
},
"additionalProperties": false
},
"output": {
"type": "object",
"required": [
"type"
],
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object"
}
}
}
}
},
"routeTemplate": "/v1/eu/entreprise/RO/:cui"
}
}Provenance
- Seen in the source catalog
- 2026-09-18 13:18Z
- Last indexed by Roundhouse
- 2026-09-25 01:00Z
- Last enriched (probe, favicon, geo)
- 2026-09-18 14:15Z
- x402 version
- 2
- Max timeout
- 120s
- Liveness probe
- HTTP 402
Hand this page to an agent
Copy the prompt and paste it into Claude, an MCP client or your own agent — it will vet this service and call it over the free read API. No key, no account.
GET api.roundhouseai.io/v0/endpoints
This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 6 snapshots so far. Verified volume counts only settlements with an on-chain EIP-3009 marker.
Show the promptHide the prompt
Using Roundhouse, look up the x402 service Sirenic and tell me whether it is worth paying: what a call costs, whether the endpoint answered when last probed, and what its payment record actually shows. curl -s 'https://api.roundhouseai.io/v0/endpoints?q=Sirenic' curl -s 'https://api.roundhouseai.io/v0/merchants/<the payTo wallet returned above>' Then call it: read the price from the live 402 at https://api.sirenic.eu/v1/eu/entreprise/RO/:cui, never from a cached figure, and pay with an x402 client. The /v0 API needs an API key (`authorization: Bearer rh_live_…`) on everything except /v0/unified* and /v0/endpoints. Mint a personal key for $0.01 at GET https://api.roundhouseai.io/v0/test/x402, or use an organization key from https://roundhouseai.io/dashboard/team. If you do not have Roundhouse tools or skills installed, read https://roundhouseai.io/skill.md first — it is the whole procedure.