SERVICE / DETAILonchain

gpt55-token-gateway

GET gpt55.558686.xyz/v1/tools/evm-wallet-balance

OPEN SERVICE ↗
SONAR SCORE0.537
LIVE PRICE0.001000
BAZAAR LIVEcompatible
CDP INDEXEDno
DECISION EVIDENCE

Why an agent can trust this route.

19 observations in the last 24h
HANDSHAKE SUCCESS84.2%402 challenge reachable
PAID DELIVERY0.0%settlement observed
P90 LATENCY10182msrecent response window
PRICE DRIFT0.0%advertised vs observed

Sonar evidence is advisory. Paid delivery is shown as verified only when paid probes are available; otherwise route estimates use the unpaid handshake as a clearly labeled proxy.

SONAR PROBE HISTORY / 30D

Observed outcomes

JSON ↗
LIVE ENDPOINT METADATA

Read a public EVM wallet balance on Base or Ethereum and determine whether its Base USDC balance can cover a suggested $0.001 x402 payment. Returns a coherent provider snapshot, USDC runway, shortfall, native-gas presence, and a handoff to the full funding-readiness doctor without signing, broadcasting, or handling private keys. Balance-only readiness does not prove client, signing, spend-cap, or retry capability. GET variant for agents, crawlers, and wallets that prefer query parameters over...

Resource: gpt55.558686.xyz/v1/tools/evm-wallet-balance

Network: eip155:8453 · Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 · Pay to: 0x1f0130669ca6fd02e025a984cc038f139df19a2f

Payment methods: — · Last validation: 2026-09-14 16:12:07.295+00

{
  "input": {
    "type": "object",
    "required": [
      "type",
      "method"
    ],
    "properties": {
      "type": {
        "type": "string",
        "const": "http"
      },
      "method": {
        "enum": [
          "GET",
          "HEAD",
          "DELETE"
        ],
        "type": "string"
      },
      "pathParams": {
        "type": "object",
        "additionalProperties": true
      },
      "queryParams": {
        "type": "object",
        "required": [
          "address"
        ],
        "properties": {
          "chain": {
            "enum": [
              "base",
              "ethereum",
              "mainnet",
              "eip155:8453",
              "eip155:1",
              "8453",
              "1"
            ],
            "type": "string"
          },
          "wallet": {
            "type": "string",
            "pattern": "^0x[0-9a-fA-F]{40}$"
          },
          "address": {
            "type": "string",
            "pattern": "^0x[0-9a-fA-F]{40}$"
          },
          "network": {
            "enum": [
              "base",
              "ethereum",
              "mainnet",
              "eip155:8453",
              "eip155:1",
              "8453",
              "1"
            ],
            "type": "string",
            "default": "base"
          }
        },
        "additionalProperties": false
      }
    },
    "additionalProperties": false
  },
  "output": {
    "type": "object",
    "required": [
      "type"
    ],
    "properties": {
      "type": {
        "type": "string"
      },
      "example": {
        "type": "object",
        "additionalProperties": true
      }
    }
  },
  "paymentRequirements": [
    {
      "raw": {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2",
          "x402Provider": "xpay"
        },
        "payTo": "0x1f0130669ca6fd02e025a984cc038f139df19a2f",
        "amount": "1000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 300
      },
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "payTo": "0x1f0130669ca6fd02e025a984cc038f139df19a2f",
      "scheme": "exact",
      "network": "eip155:8453",
      "amountAtomic": "1000"
    }
  ]
}
METADATA PROVENANCE

Source catalog records are retained separately from live endpoint observations. Sonar score, uptime, and latency are advisory metrics. CDP indexing is not inferred from validation.