SERVICE / DETAILfinance

DopamineDesk AI Marketplace

GET ai-data-marketplace-1042299154756.us-central1.run.app/api/v1/erc20_allowance

OPEN SERVICE ↗
SONAR SCORE0.126
LIVE PRICE0.003000
BAZAAR LIVEnot compatible
CDP INDEXEDno
DECISION EVIDENCE

Why an agent can trust this route.

1 observations in the last 24h
HANDSHAKE SUCCESS0.0%402 challenge reachable
PAID DELIVERY0.0%settlement observed
P90 LATENCY7009msrecent response window
PRICE DRIFT—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 the current ERC-20 allowance for an owner, spender, and token from a supported EVM network without signing or broadcasting.

Resource: ai-data-marketplace-1042299154756.us-central1.run.app/api/v1/erc20_allowance

Network: eip155:8453 · Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 · Pay to: 0x8647F7D7a1368a467Ad1FF757fBc2e7167973558

Payment methods: — · Last validation: 2026-09-13 10:56:22.878+00

{
  "input": {
    "type": "object",
    "required": [
      "type",
      "method"
    ],
    "properties": {
      "type": {
        "type": "string",
        "const": "http"
      },
      "method": {
        "enum": [
          "GET"
        ],
        "type": "string"
      },
      "queryParams": {
        "type": "object",
        "required": [
          "token",
          "owner",
          "spender"
        ],
        "properties": {
          "chain": {
            "type": "string",
            "description": "base, ethereum, or arbitrum; defaults to base."
          },
          "owner": {
            "type": "string",
            "description": "Wallet that granted the allowance."
          },
          "token": {
            "type": "string",
            "description": "ERC-20 token contract address."
          },
          "spender": {
            "type": "string",
            "description": "Address authorized to spend."
          }
        },
        "additionalProperties": true
      }
    },
    "additionalProperties": false
  },
  "output": {
    "type": "object",
    "required": [
      "type"
    ],
    "properties": {
      "type": {
        "type": "string"
      },
      "example": {
        "type": "object",
        "required": [
          "success",
          "symbol",
          "allowance_raw",
          "allowance_formatted",
          "approval_present"
        ],
        "properties": {
          "symbol": {
            "type": "string"
          },
          "success": {
            "type": "boolean"
          },
          "allowance_raw": {
            "type": "string"
          },
          "approval_present": {
            "type": "boolean"
          },
          "allowance_formatted": {
            "type": "string"
          }
        },
        "additionalProperties": true
      }
    }
  },
  "paymentRequirements": [
    {
      "raw": {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0x8647F7D7a1368a467Ad1FF757fBc2e7167973558",
        "amount": "3000",
        "scheme": "exact",
        "network": "eip155:8453",
        "maxTimeoutSeconds": 300
      },
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "payTo": "0x8647F7D7a1368a467Ad1FF757fBc2e7167973558",
      "scheme": "exact",
      "network": "eip155:8453",
      "amountAtomic": "3000"
    }
  ]
}
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.