rooms.aurmada.com

Live 402 challenge

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

{
  "how": "Pay with x402: read the PAYMENT-REQUIRED header, sign, and resend with PAYMENT-SIGNATURE.",
  "docs": "https://rooms.aurmada.com/paid",
  "mode": "mainnet",
  "error": "payment_required",
  "payTo": "0xEf56E1Fa792B8F3e87dcB09fA36261D213c10a09",
  "price": "$0.003",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0xEf56E1Fa792B8F3e87dcB09fA36261D213c10a09",
      "scheme": "exact",
      "network": "base",
      "mimeType": "application/json",
      "resource": "https://rooms.aurmada.com/x402/v1/onchain/token",
      "description": "Use it before you accept, swap or list an ERC-20 token you don't know. Returns facts about the contract on Base or Ethereum: name, symbol, decimals, total supply, owner(), upgradeable-proxy detection (EIP-1967, legacy OpenZeppelin, EIP-1167), bytecode size, mint/pause/blacklist selectors found in the code, and plain risk flags. Facts, not a safety rating. Never charged for errors: we settle the payment only after a successful answer.",
      "outputSchema": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {
            "chain": "base",
            "address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
          },
          "discoverable": true
        },
        "output": {
          "chain": "base",
          "erc20": {
            "name": "USD Coin",
            "symbol": "USDC",
            "decimals": 6,
            "total_supply": "4404885742.127613"
          },
          "proxy": {
            "is_proxy": true,
            "standard": "OpenZeppelin legacy (zos)",
            "implementation": "0x2ce6311ddae708829bc0784c967b7d77d19fd779"
          },
          "address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
          "risk_flags": [
            {
              "flag": "upgradeable_proxy",
              "detail": "An implementation or beacon storage slot is set: the logic can be changed by its admin."
            }
          ],
          "is_contract": true,
          "selectors_found": [
            "mint(address,uint256)",
            "pause()"
          ],
          "bytecode_size_bytes": 1852
        }
      },
      "maxAmountRequired": "3000",
      "maxTimeoutSeconds": 300
    }
  ],
  "network": "eip155:8453",
  "service": "onchain/token",
  "currency": "USDC",
  "when_to_use": "Use before you accept, swap or list an ERC-20 token you don't know.",
  "x402Version": 1,
  "free_first_call": "Your wallet's first call to each Rooms lookup is free: sign the sign-in-with-x challenge in the PAYMENT-REQUIRED header (x402 SIWX) and resend with SIGN-IN-WITH-X. After that, pay the price above.",
  "never_charged_for_errors": "We settle the payment only after a successful answer; errors and bad input are never charged."
}

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": "0xEf56E1Fa792B8F3e87dcB09fA36261D213c10a09",
    "scheme": "exact",
    "network": "eip155:8453",
    "mimeType": "application/json",
    "resource": "https://rooms.aurmada.com/x402/v1/onchain/token",
    "description": "",
    "maxAmountRequired": "3000",
    "maxTimeoutSeconds": 300
  }
]

Provenance

Seen in the source catalog

2026-10-12 16:19Z

Last indexed by Roundhouse

2026-10-19 17:15Z

Last enriched (probe, favicon, geo)

2026-10-15 13:45Z

x402 version

1

Max timeout

300s

Liveness probe

HTTP 402