{
  "x402Version": 2,
  "id": 35733,
  "slug": "35733",
  "resource": "https://base-facts.yankii.fr/v1/facts",
  "description": "Get on-chain facts about a Base token contract",
  "type": "http",
  "serviceName": "Base Token Facts",
  "resourceType": "Blockchain Data",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x40661D56c2Bf416c5946A8b21098eaF8D33459A2",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "5000",
      "amountUsd": 0.005,
      "maxTimeoutSeconds": 300
    }
  ],
  "outputSchema": {
    "properties": {
      "example": {
        "properties": {
          "adminFunctionsDetected": {
            "additionalProperties": {
              "type": "boolean"
            },
            "type": "object"
          },
          "blockNumber": {
            "type": "string"
          },
          "contractType": {
            "enum": [
              "ERC20",
              "other",
              "EOA"
            ],
            "type": "string"
          },
          "erc20": {
            "properties": {
              "decimals": {
                "type": "integer"
              },
              "name": {
                "type": "string"
              },
              "symbol": {
                "type": "string"
              },
              "totalSupply": {
                "type": "string"
              }
            },
            "type": "object"
          },
          "isContract": {
            "type": "boolean"
          },
          "owner": {
            "type": "string"
          },
          "proxy": {
            "properties": {
              "implementation": {
                "type": "string"
              },
              "isProxy": {
                "type": "boolean"
              },
              "standard": {
                "enum": [
                  "EIP-1967",
                  "ZeppelinOS"
                ],
                "type": "string"
              }
            },
            "type": "object"
          },
          "source": {
            "enum": [
              "base-mainnet-rpc",
              "base-sepolia-rpc"
            ],
            "type": "string"
          }
        },
        "type": "object"
      },
      "type": {
        "type": "string"
      }
    },
    "required": [
      "type"
    ],
    "type": "object"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "body": {
            "token": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
          },
          "bodyType": "json",
          "method": "POST",
          "type": "http"
        },
        "output": {
          "example": {
            "adminFunctionsDetected": {
              "blacklist": true,
              "burn": true,
              "mint": true,
              "owner": true,
              "pause": true
            },
            "blockNumber": "52125591",
            "contractType": "ERC20",
            "erc20": {
              "decimals": 6,
              "name": "USD Coin",
              "symbol": "USDC",
              "totalSupply": "4375220680762469"
            },
            "isContract": true,
            "owner": "0x3ABd6f64A422225E61E435baE41db12096106df7",
            "proxy": {
              "implementation": "0x2Ce6311ddAE708829bc0784C967b7d77D19FD779",
              "isProxy": true,
              "standard": "ZeppelinOS"
            },
            "source": "base-mainnet-rpc"
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "body": {
                "properties": {
                  "token": {
                    "description": "Token contract address (0x-prefixed hex, 20 bytes)",
                    "type": "string"
                  }
                },
                "required": [
                  "token"
                ],
                "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": {
                "properties": {
                  "adminFunctionsDetected": {
                    "additionalProperties": {
                      "type": "boolean"
                    },
                    "type": "object"
                  },
                  "blockNumber": {
                    "type": "string"
                  },
                  "contractType": {
                    "enum": [
                      "ERC20",
                      "other",
                      "EOA"
                    ],
                    "type": "string"
                  },
                  "erc20": {
                    "properties": {
                      "decimals": {
                        "type": "integer"
                      },
                      "name": {
                        "type": "string"
                      },
                      "symbol": {
                        "type": "string"
                      },
                      "totalSupply": {
                        "type": "string"
                      }
                    },
                    "type": "object"
                  },
                  "isContract": {
                    "type": "boolean"
                  },
                  "owner": {
                    "type": "string"
                  },
                  "proxy": {
                    "properties": {
                      "implementation": {
                        "type": "string"
                      },
                      "isProxy": {
                        "type": "boolean"
                      },
                      "standard": {
                        "enum": [
                          "EIP-1967",
                          "ZeppelinOS"
                        ],
                        "type": "string"
                      }
                    },
                    "type": "object"
                  },
                  "source": {
                    "enum": [
                      "base-mainnet-rpc",
                      "base-sepolia-rpc"
                    ],
                    "type": "string"
                  }
                },
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "base",
    "token",
    "ethereum",
    "defi",
    "onchain",
    "bazaar"
  ],
  "sourceHost": "base-facts.yankii.fr",
  "lastUpdated": "2026-10-09T10:19:03.96Z",
  "quality": {
    "calls30d": 3,
    "uniquePayers30d": 3,
    "lastCalledAt": "2026-10-09T10:19:03.371Z"
  },
  "metadata": {
    "serviceName": "Base Token Facts",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "token": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "adminFunctionsDetected": {
                "blacklist": true,
                "burn": true,
                "mint": true,
                "owner": true,
                "pause": true
              },
              "blockNumber": "52125591",
              "contractType": "ERC20",
              "erc20": {
                "decimals": 6,
                "name": "USD Coin",
                "symbol": "USDC",
                "totalSupply": "4375220680762469"
              },
              "isContract": true,
              "owner": "0x3ABd6f64A422225E61E435baE41db12096106df7",
              "proxy": {
                "implementation": "0x2Ce6311ddAE708829bc0784C967b7d77D19FD779",
                "isProxy": true,
                "standard": "ZeppelinOS"
              },
              "source": "base-mainnet-rpc"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "token": {
                      "description": "Token contract address (0x-prefixed hex, 20 bytes)",
                      "type": "string"
                    }
                  },
                  "required": [
                    "token"
                  ],
                  "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": {
                  "properties": {
                    "adminFunctionsDetected": {
                      "additionalProperties": {
                        "type": "boolean"
                      },
                      "type": "object"
                    },
                    "blockNumber": {
                      "type": "string"
                    },
                    "contractType": {
                      "enum": [
                        "ERC20",
                        "other",
                        "EOA"
                      ],
                      "type": "string"
                    },
                    "erc20": {
                      "properties": {
                        "decimals": {
                          "type": "integer"
                        },
                        "name": {
                          "type": "string"
                        },
                        "symbol": {
                          "type": "string"
                        },
                        "totalSupply": {
                          "type": "string"
                        }
                      },
                      "type": "object"
                    },
                    "isContract": {
                      "type": "boolean"
                    },
                    "owner": {
                      "type": "string"
                    },
                    "proxy": {
                      "properties": {
                        "implementation": {
                          "type": "string"
                        },
                        "isProxy": {
                          "type": "boolean"
                        },
                        "standard": {
                          "enum": [
                            "EIP-1967",
                            "ZeppelinOS"
                          ],
                          "type": "string"
                        }
                      },
                      "type": "object"
                    },
                    "source": {
                      "enum": [
                        "base-mainnet-rpc",
                        "base-sepolia-rpc"
                      ],
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    }
  },
  "liveness": {
    "reliability": null
  },
  "verified": false,
  "featured": false,
  "provider": {
    "host": "base-facts.yankii.fr",
    "manifest_name": "base-facts.yankii.fr",
    "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": {
      "adminFunctionsDetected": {},
      "blockNumber": "string",
      "contractType": "ERC20",
      "erc20": {
        "decimals": 0,
        "name": "string",
        "symbol": "string",
        "totalSupply": "string"
      },
      "isContract": true,
      "owner": "string",
      "proxy": {
        "implementation": "string",
        "isProxy": true,
        "standard": "EIP-1967"
      },
      "source": "base-mainnet-rpc"
    },
    "type": "string"
  }
}