{
  "x402Version": 2,
  "id": 55589,
  "slug": "55589",
  "resource": "https://agentshelf.syntexa.ch/v1/base-balance",
  "description": "Call when an agent needs Base mainnet ETH and USDC balances, tx_count, and a rough x402 affordability hint for one address. Send address as EIP-55 or all-lowercase 0x. Read-only eth_getBalance and USDC balanceOf on eip155:8453. No private key and no spend. Send JSON {\"address\":\"0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045\"}. Exact $0.003 USDC on Base. Try unpaid POST /v1/sandbox/base-balance first.",
  "type": "http",
  "resourceType": "Blockchain Data",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x1D61FAA032d3f40D9C470D2bf3A3f53De0E55a38",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "3000",
      "amountUsd": 0.003,
      "maxTimeoutSeconds": 60
    }
  ],
  "outputSchema": {
    "properties": {
      "example": {
        "additionalProperties": false,
        "examples": [
          {
            "address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
            "billed": true,
            "eth": "1",
            "eth_wei": "1000000000000000000",
            "network": "eip155:8453",
            "ok": true,
            "receipt_id": "rcpt_01EXAMPLE000000000000000",
            "tx_count": 42,
            "usdc": "2.5",
            "usdc_atomic": "2500000",
            "usdc_contract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
            "warnings": [],
            "x402_hint": "USDC balance covers about 1250 payments of $0.002 or 250 of $0.01 on Base."
          }
        ],
        "properties": {
          "address": {
            "examples": [
              "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"
            ],
            "type": "string"
          },
          "billed": {
            "examples": [
              true
            ],
            "type": "boolean"
          },
          "eth": {
            "examples": [
              "1"
            ],
            "type": "string"
          },
          "eth_wei": {
            "examples": [
              "1000000000000000000"
            ],
            "type": "string"
          },
          "network": {
            "const": "eip155:8453",
            "examples": [
              "eip155:8453"
            ],
            "type": "string"
          },
          "ok": {
            "const": true,
            "examples": [
              true
            ],
            "type": "boolean"
          },
          "receipt_id": {
            "examples": [
              "rcpt_01EXAMPLE000000000000000"
            ],
            "type": "string"
          },
          "tx_count": {
            "examples": [
              42
            ],
            "minimum": 0,
            "type": "integer"
          },
          "usdc": {
            "examples": [
              "2.5"
            ],
            "type": "string"
          },
          "usdc_atomic": {
            "examples": [
              "2500000"
            ],
            "type": "string"
          },
          "usdc_contract": {
            "const": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
            "examples": [
              "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
            ],
            "type": "string"
          },
          "warnings": {
            "default": [],
            "examples": [
              []
            ],
            "items": {
              "type": "string"
            },
            "type": "array"
          },
          "x402_hint": {
            "examples": [
              "USDC balance covers about 1250 payments of $0.002 or 250 of $0.01 on Base."
            ],
            "type": "string"
          }
        },
        "required": [
          "ok",
          "receipt_id",
          "billed",
          "address",
          "network",
          "eth_wei",
          "eth",
          "usdc_contract",
          "usdc_atomic",
          "usdc",
          "tx_count",
          "x402_hint"
        ],
        "type": "object"
      },
      "type": {
        "type": "string"
      }
    },
    "required": [
      "type"
    ],
    "type": "object"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "body": {
            "address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"
          },
          "bodyType": "json",
          "method": "POST",
          "type": "http"
        },
        "output": {
          "example": {
            "address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
            "billed": true,
            "eth": "1",
            "eth_wei": "1000000000000000000",
            "network": "eip155:8453",
            "ok": true,
            "receipt_id": "rcpt_01EXAMPLE000000000000000",
            "tx_count": 42,
            "usdc": "2.5",
            "usdc_atomic": "2500000",
            "usdc_contract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
            "warnings": [],
            "x402_hint": "USDC balance covers about 1250 payments of $0.002 or 250 of $0.01 on Base."
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "body": {
                "additionalProperties": false,
                "examples": [
                  {
                    "address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"
                  }
                ],
                "properties": {
                  "address": {
                    "description": "EVM address on Base mainnet (eip155:8453). Example: 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045. EIP-55 checksum or all one case. Returns eth_wei, eth, usdc_atomic, usdc, tx_count, and x402_hint. Read-only. No private key.",
                    "examples": [
                      "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"
                    ],
                    "type": "string"
                  }
                },
                "required": [
                  "address"
                ],
                "type": "object"
              },
              "bodyType": {
                "enum": [
                  "json",
                  "form-data",
                  "text"
                ],
                "type": "string"
              },
              "method": {
                "enum": [
                  "POST"
                ],
                "type": "string"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method",
              "bodyType",
              "body"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "additionalProperties": false,
                "examples": [
                  {
                    "address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
                    "billed": true,
                    "eth": "1",
                    "eth_wei": "1000000000000000000",
                    "network": "eip155:8453",
                    "ok": true,
                    "receipt_id": "rcpt_01EXAMPLE000000000000000",
                    "tx_count": 42,
                    "usdc": "2.5",
                    "usdc_atomic": "2500000",
                    "usdc_contract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
                    "warnings": [],
                    "x402_hint": "USDC balance covers about 1250 payments of $0.002 or 250 of $0.01 on Base."
                  }
                ],
                "properties": {
                  "address": {
                    "examples": [
                      "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"
                    ],
                    "type": "string"
                  },
                  "billed": {
                    "examples": [
                      true
                    ],
                    "type": "boolean"
                  },
                  "eth": {
                    "examples": [
                      "1"
                    ],
                    "type": "string"
                  },
                  "eth_wei": {
                    "examples": [
                      "1000000000000000000"
                    ],
                    "type": "string"
                  },
                  "network": {
                    "const": "eip155:8453",
                    "examples": [
                      "eip155:8453"
                    ],
                    "type": "string"
                  },
                  "ok": {
                    "const": true,
                    "examples": [
                      true
                    ],
                    "type": "boolean"
                  },
                  "receipt_id": {
                    "examples": [
                      "rcpt_01EXAMPLE000000000000000"
                    ],
                    "type": "string"
                  },
                  "tx_count": {
                    "examples": [
                      42
                    ],
                    "minimum": 0,
                    "type": "integer"
                  },
                  "usdc": {
                    "examples": [
                      "2.5"
                    ],
                    "type": "string"
                  },
                  "usdc_atomic": {
                    "examples": [
                      "2500000"
                    ],
                    "type": "string"
                  },
                  "usdc_contract": {
                    "const": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
                    "examples": [
                      "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
                    ],
                    "type": "string"
                  },
                  "warnings": {
                    "default": [],
                    "examples": [
                      []
                    ],
                    "items": {
                      "type": "string"
                    },
                    "type": "array"
                  },
                  "x402_hint": {
                    "examples": [
                      "USDC balance covers about 1250 payments of $0.002 or 250 of $0.01 on Base."
                    ],
                    "type": "string"
                  }
                },
                "required": [
                  "ok",
                  "receipt_id",
                  "billed",
                  "address",
                  "network",
                  "eth_wei",
                  "eth",
                  "usdc_contract",
                  "usdc_atomic",
                  "usdc",
                  "tx_count",
                  "x402_hint"
                ],
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "bazaar"
  ],
  "sourceHost": "agentshelf.syntexa.ch",
  "lastUpdated": "2026-10-11T10:13:59.941Z",
  "quality": {
    "calls30d": 1,
    "uniquePayers30d": 1,
    "lastCalledAt": "2026-10-11T10:13:59.462Z"
  },
  "metadata": {
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
              "billed": true,
              "eth": "1",
              "eth_wei": "1000000000000000000",
              "network": "eip155:8453",
              "ok": true,
              "receipt_id": "rcpt_01EXAMPLE000000000000000",
              "tx_count": 42,
              "usdc": "2.5",
              "usdc_atomic": "2500000",
              "usdc_contract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
              "warnings": [],
              "x402_hint": "USDC balance covers about 1250 payments of $0.002 or 250 of $0.01 on Base."
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "examples": [
                    {
                      "address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"
                    }
                  ],
                  "properties": {
                    "address": {
                      "description": "EVM address on Base mainnet (eip155:8453). Example: 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045. EIP-55 checksum or all one case. Returns eth_wei, eth, usdc_atomic, usdc, tx_count, and x402_hint. Read-only. No private key.",
                      "examples": [
                        "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "address"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "additionalProperties": false,
                  "examples": [
                    {
                      "address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
                      "billed": true,
                      "eth": "1",
                      "eth_wei": "1000000000000000000",
                      "network": "eip155:8453",
                      "ok": true,
                      "receipt_id": "rcpt_01EXAMPLE000000000000000",
                      "tx_count": 42,
                      "usdc": "2.5",
                      "usdc_atomic": "2500000",
                      "usdc_contract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
                      "warnings": [],
                      "x402_hint": "USDC balance covers about 1250 payments of $0.002 or 250 of $0.01 on Base."
                    }
                  ],
                  "properties": {
                    "address": {
                      "examples": [
                        "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"
                      ],
                      "type": "string"
                    },
                    "billed": {
                      "examples": [
                        true
                      ],
                      "type": "boolean"
                    },
                    "eth": {
                      "examples": [
                        "1"
                      ],
                      "type": "string"
                    },
                    "eth_wei": {
                      "examples": [
                        "1000000000000000000"
                      ],
                      "type": "string"
                    },
                    "network": {
                      "const": "eip155:8453",
                      "examples": [
                        "eip155:8453"
                      ],
                      "type": "string"
                    },
                    "ok": {
                      "const": true,
                      "examples": [
                        true
                      ],
                      "type": "boolean"
                    },
                    "receipt_id": {
                      "examples": [
                        "rcpt_01EXAMPLE000000000000000"
                      ],
                      "type": "string"
                    },
                    "tx_count": {
                      "examples": [
                        42
                      ],
                      "minimum": 0,
                      "type": "integer"
                    },
                    "usdc": {
                      "examples": [
                        "2.5"
                      ],
                      "type": "string"
                    },
                    "usdc_atomic": {
                      "examples": [
                        "2500000"
                      ],
                      "type": "string"
                    },
                    "usdc_contract": {
                      "const": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
                      "examples": [
                        "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
                      ],
                      "type": "string"
                    },
                    "warnings": {
                      "default": [],
                      "examples": [
                        []
                      ],
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "x402_hint": {
                      "examples": [
                        "USDC balance covers about 1250 payments of $0.002 or 250 of $0.01 on Base."
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "ok",
                    "receipt_id",
                    "billed",
                    "address",
                    "network",
                    "eth_wei",
                    "eth",
                    "usdc_contract",
                    "usdc_atomic",
                    "usdc",
                    "tx_count",
                    "x402_hint"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    }
  },
  "liveness": {
    "reliability": null
  },
  "verified": false,
  "featured": false,
  "provider": {
    "host": "agentshelf.syntexa.ch",
    "manifest_name": "agentshelf.syntexa.ch",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-10-14T01:15:01.050Z"
  },
  "exampleResponse": {
    "example": {
      "address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
      "billed": true,
      "eth": "1",
      "eth_wei": "1000000000000000000",
      "network": "eip155:8453",
      "ok": true,
      "receipt_id": "rcpt_01EXAMPLE000000000000000",
      "tx_count": 42,
      "usdc": "2.5",
      "usdc_atomic": "2500000",
      "usdc_contract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "warnings": [],
      "x402_hint": "USDC balance covers about 1250 payments of $0.002 or 250 of $0.01 on Base."
    },
    "type": "string"
  }
}