payments-intel-production.up.railway.app

Live 402 challenge

Captured by the enrichment pass, not read just now. Prices can change — always read the 402 the endpoint answers with.

{
  "links": {
    "openapi": "https://payments-intel-production.up.railway.app/openapi.json",
    "llms_txt": "https://payments-intel-production.up.railway.app/llms.txt",
    "free_examples": "https://payments-intel-production.up.railway.app/v1/examples",
    "free_provider_index": "https://payments-intel-production.up.railway.app/v1/providers"
  },
  "returns": "What are the symbol, name, decimals, contract address and issuer of this stablecoin on this chain?",
  "endpoint": "https://payments-intel-production.up.railway.app/v1/token",
  "price_usd": 0.001,
  "parameters": [
    {
      "name": "chain",
      "example": "base",
      "required": true,
      "description": "Chain slug, name or CAIP-2 id, e.g. base, solana, eip155:8453"
    },
    {
      "name": "symbol",
      "example": "USDC",
      "required": false,
      "description": "Stablecoin ticker, e.g. USDC (give symbol or address)"
    },
    {
      "name": "address",
      "required": false,
      "description": "Token contract / mint address (give address or symbol)"
    }
  ],
  "description": "Cited stablecoin token facts from a prepared dataset (USDC, EURC, USDT, PYUSD, DAI on the chains /v1/chain covers, where a permissively licensed source lists them): symbol, name, decimals, contract address, chain, issuer, each with a source citation and license. Fields not established from a source are the string \"unknown\". Malformed input and tokens not in the dataset return 400/404 and are never charged.",
  "request_check": {
    "error": "chain is required, e.g. base, solana, ethereum",
    "valid": false
  },
  "example_request": "https://payments-intel-production.up.railway.app/v1/token?chain=base&symbol=USDC",
  "response_shape_sample": {
    "note": "<string>",
    "as_of": "<string>",
    "token": {
      "name": "<string>",
      "as_of": "<string>",
      "chain": "<string>",
      "issuer": "<string>",
      "source": [
        {
          "url": "<string>",
          "fact": "<string>",
          "source_id": "<string>"
        },
        "..."
      ],
      "symbol": "<string>",
      "address": "<string>",
      "chain_id": "<string>",
      "decimals": "<number>",
      "website_listed": "<string>"
    },
    "sources": [
      {
        "id": "<string>",
        "url": "<string>",
        "license": "<string>"
      },
      "..."
    ]
  }
}

Accepts

The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.

[
  {
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "payTo": "0x4421dea0F91E67608B52BCE35D9fb2a3574e4453",
    "amount": "1000",
    "scheme": "exact",
    "network": "eip155:8453",
    "maxTimeoutSeconds": 300
  }
]

Provenance

Seen in the source catalog

—

Last indexed by Roundhouse

2026-10-20 18:15Z

Last enriched (probe, favicon, geo)

2026-10-20 18:45Z

x402 version

2

Max timeout

300s

Liveness probe

HTTP 402