{
  "x402Version": 2,
  "id": 42126,
  "slug": "42126",
  "resource": "https://automaton-tx-explainer.vercel.app/v1/base/approvals",
  "description": "Check a Base wallet's ERC-20 approvals: allowances for 8 major tokens (USDC, WETH, cbBTC, AERO...) to 8 common spenders (Permit2, Uniswap, Aerodrome, 1inch, 0x, LI.FI, Odos); flags unlimited approvals.",
  "type": "http",
  "serviceName": "Base Token Approval Check",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x679af3a893eDd0AeF4ac4c7776Ba581b238C0717",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "5000",
      "amountUsd": 0.005,
      "maxTimeoutSeconds": 300
    }
  ],
  "outputSchema": {
    "properties": {
      "example": {
        "type": "object"
      },
      "type": {
        "type": "string"
      }
    },
    "required": [
      "type"
    ],
    "type": "object"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "method": "GET",
          "queryParams": {
            "address": "0x679af3a893eDd0AeF4ac4c7776Ba581b238C0717"
          },
          "type": "http"
        },
        "output": {
          "example": {
            "checkedPairs": 64,
            "nonZeroApprovals": [
              {
                "allowance": "unlimited",
                "spender": "Permit2",
                "token": "USDC",
                "unlimited": true
              }
            ],
            "owner": "0x...",
            "unlimitedCount": 1
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "properties": {
                  "address": {
                    "description": "Base wallet address (owner)",
                    "pattern": "^0x[0-9a-fA-F]{40}$",
                    "type": "string"
                  }
                },
                "required": [
                  "address"
                ],
                "type": "object"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "base",
    "onchain",
    "evm",
    "crypto",
    "bazaar"
  ],
  "sourceHost": "automaton-tx-explainer.vercel.app",
  "lastUpdated": "2026-10-13T04:08:53.734Z",
  "quality": {
    "calls30d": 1,
    "uniquePayers30d": 1,
    "lastCalledAt": "2026-10-13T04:08:53.537Z"
  },
  "metadata": {
    "serviceName": "Base Token Approval Check",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "address": "0x679af3a893eDd0AeF4ac4c7776Ba581b238C0717"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "checkedPairs": 64,
              "nonZeroApprovals": [
                {
                  "allowance": "unlimited",
                  "spender": "Permit2",
                  "token": "USDC",
                  "unlimited": true
                }
              ],
              "owner": "0x...",
              "unlimitedCount": 1
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "address": {
                      "description": "Base wallet address (owner)",
                      "pattern": "^0x[0-9a-fA-F]{40}$",
                      "type": "string"
                    }
                  },
                  "required": [
                    "address"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    }
  },
  "liveness": {
    "reliability": null
  },
  "verified": false,
  "featured": false,
  "provider": {
    "host": "automaton-tx-explainer.vercel.app",
    "manifest_name": "automaton-tx-explainer.vercel.app",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-10-13T15:56:53.641Z"
  },
  "exampleResponse": {
    "example": {},
    "type": "string"
  }
}