{
  "x402Version": 2,
  "id": 25985,
  "slug": "25985",
  "resource": "https://api.oblique.markets/api/v1/paid/proxy-implementation",
  "description": "Use when an agent asks if a contract is an upgradeable proxy and where its code is. Returns the standard (EIP-1967, beacon, UUPS, minimal, legacy, Safe, none), implementation, admin, beacon, slots and block read on Base, Ethereum, Optimism, Arbitrum or Polygon; 4 extra slots decoded. $0.003.",
  "type": "http",
  "serviceName": "Oblique Markets",
  "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1788767156/bazaar-icons/3e4ab977553c6430.png",
  "resourceType": "Beauty & Personal Care",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x970007590aCC5C938cd51345B17AF51B1B40D3Ab",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "3000",
      "amountUsd": 0.003,
      "maxTimeoutSeconds": 60
    },
    {
      "scheme": "exact",
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "payTo": "GYyTRmt317JafPHXPnM54Fsvsma5GnS9wm6qGMqaykdS",
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "amount": "3000",
      "amountUsd": 0.003,
      "maxTimeoutSeconds": 60
    }
  ],
  "outputSchema": {
    "properties": {
      "address": {
        "type": "string"
      },
      "admin": {
        "type": "null"
      },
      "beacon": {
        "type": "null"
      },
      "block_number": {
        "type": "integer"
      },
      "block_tag": {
        "type": "string"
      },
      "chain": {
        "type": "string"
      },
      "chain_id": {
        "type": "integer"
      },
      "extra_slots": {
        "items": {
          "properties": {
            "as_address": {
              "type": "null"
            },
            "as_bool": {
              "type": "boolean"
            },
            "as_uint256": {
              "type": "string"
            },
            "raw": {
              "type": "string"
            },
            "slot": {
              "type": "string"
            }
          },
          "type": "object"
        },
        "type": "array"
      },
      "freshness": {
        "properties": {
          "cache": {
            "type": "string"
          },
          "cache_age_seconds": {
            "type": "integer"
          },
          "served_at": {
            "type": "string"
          },
          "ttl_seconds": {
            "type": "integer"
          }
        },
        "type": "object"
      },
      "implementation": {
        "type": "string"
      },
      "implementation_has_code": {
        "type": "boolean"
      },
      "implementation_name": {
        "type": "string"
      },
      "is_contract": {
        "type": "boolean"
      },
      "is_proxy": {
        "type": "boolean"
      },
      "proxy_name": {
        "type": "string"
      },
      "read_at": {
        "type": "string"
      },
      "receipt": {
        "properties": {
          "payer": {
            "type": "string"
          },
          "payment_network": {
            "type": "string"
          },
          "sku": {
            "type": "string"
          }
        },
        "type": "object"
      },
      "rpc": {
        "properties": {
          "calls": {
            "type": "integer"
          },
          "endpoint_class": {
            "type": "string"
          },
          "hosts": {
            "items": {
              "type": "string"
            },
            "type": "array"
          }
        },
        "type": "object"
      },
      "slots_read": {
        "items": {
          "properties": {
            "label": {
              "type": "string"
            },
            "raw": {
              "type": "string"
            },
            "slot": {
              "type": "string"
            }
          },
          "type": "object"
        },
        "type": "array"
      },
      "source": {
        "type": "string"
      },
      "standard": {
        "type": "string"
      }
    },
    "type": "object"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "method": "GET",
          "queryParams": {
            "address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
          },
          "type": "http"
        },
        "output": {
          "example": {
            "address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
            "admin": null,
            "beacon": null,
            "block_number": 40203311,
            "block_tag": "latest",
            "chain": "base",
            "chain_id": 8453,
            "extra_slots": [
              {
                "as_address": null,
                "as_bool": false,
                "as_uint256": "0",
                "raw": "0x0000000000000000000000000000000000000000000000000000000000000000",
                "slot": "0x0000000000000000000000000000000000000000000000000000000000000000"
              }
            ],
            "freshness": {
              "cache": "miss",
              "cache_age_seconds": 0,
              "served_at": "2026-09-12T01:30:00.120Z",
              "ttl_seconds": 30
            },
            "implementation": "0x2Ce6311ddAE708829bc0784C967b7d77D19FD779",
            "implementation_has_code": true,
            "implementation_name": "FiatTokenV2_2",
            "is_contract": true,
            "is_proxy": true,
            "proxy_name": "FiatTokenProxy",
            "read_at": "2026-09-12T01:30:00.000Z",
            "receipt": {
              "payer": "0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea",
              "payment_network": "eip155:8453",
              "sku": "proxy-implementation"
            },
            "rpc": {
              "calls": 9,
              "endpoint_class": "public",
              "hosts": [
                "mainnet.base.org"
              ]
            },
            "slots_read": [
              {
                "label": "eip1967.implementation",
                "raw": "0x0000000000000000000000000000000000000000000000000000000000000000",
                "slot": "0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc"
              },
              {
                "label": "eip1967.admin",
                "raw": "0x0000000000000000000000000000000000000000000000000000000000000000",
                "slot": "0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103"
              }
            ],
            "source": "public-rpc+explorer",
            "standard": "oz-legacy"
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "method": {
                "enum": [
                  "GET",
                  "HEAD",
                  "DELETE"
                ],
                "type": "string"
              },
              "queryParams": {
                "properties": {
                  "address": {
                    "description": "Contract address to inspect, 0x plus 40 hex characters (any case).",
                    "type": "string"
                  },
                  "block": {
                    "description": "'latest' (default) or a decimal block number; explicit blocks are immutable and cached longer.",
                    "type": "string"
                  },
                  "chain": {
                    "description": "Chain name (base, ethereum, optimism, arbitrum, polygon) or chain id (8453, 1, 10, 42161, 137). Default base.",
                    "enum": [
                      "base",
                      "ethereum",
                      "optimism",
                      "arbitrum",
                      "polygon",
                      "8453",
                      "1",
                      "10",
                      "42161",
                      "137"
                    ],
                    "type": "string"
                  },
                  "slots": {
                    "description": "Up to 4 extra raw storage slots to read and decode: each a 0x bytes32 or a decimal slot number. GET accepts a comma-separated list.",
                    "items": {
                      "type": "string"
                    },
                    "type": "array"
                  }
                },
                "required": [
                  "address"
                ],
                "type": "object"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "address": {
                "type": "string"
              },
              "admin": {
                "type": "null"
              },
              "beacon": {
                "type": "null"
              },
              "block_number": {
                "type": "integer"
              },
              "block_tag": {
                "type": "string"
              },
              "chain": {
                "type": "string"
              },
              "chain_id": {
                "type": "integer"
              },
              "extra_slots": {
                "items": {
                  "properties": {
                    "as_address": {
                      "type": "null"
                    },
                    "as_bool": {
                      "type": "boolean"
                    },
                    "as_uint256": {
                      "type": "string"
                    },
                    "raw": {
                      "type": "string"
                    },
                    "slot": {
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": "array"
              },
              "freshness": {
                "properties": {
                  "cache": {
                    "type": "string"
                  },
                  "cache_age_seconds": {
                    "type": "integer"
                  },
                  "served_at": {
                    "type": "string"
                  },
                  "ttl_seconds": {
                    "type": "integer"
                  }
                },
                "type": "object"
              },
              "implementation": {
                "type": "string"
              },
              "implementation_has_code": {
                "type": "boolean"
              },
              "implementation_name": {
                "type": "string"
              },
              "is_contract": {
                "type": "boolean"
              },
              "is_proxy": {
                "type": "boolean"
              },
              "proxy_name": {
                "type": "string"
              },
              "read_at": {
                "type": "string"
              },
              "receipt": {
                "properties": {
                  "payer": {
                    "type": "string"
                  },
                  "payment_network": {
                    "type": "string"
                  },
                  "sku": {
                    "type": "string"
                  }
                },
                "type": "object"
              },
              "rpc": {
                "properties": {
                  "calls": {
                    "type": "integer"
                  },
                  "endpoint_class": {
                    "type": "string"
                  },
                  "hosts": {
                    "items": {
                      "type": "string"
                    },
                    "type": "array"
                  }
                },
                "type": "object"
              },
              "slots_read": {
                "items": {
                  "properties": {
                    "label": {
                      "type": "string"
                    },
                    "raw": {
                      "type": "string"
                    },
                    "slot": {
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": "array"
              },
              "source": {
                "type": "string"
              },
              "standard": {
                "type": "string"
              }
            },
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "proxy",
    "upgradeable",
    "eip-1967",
    "storage",
    "bazaar"
  ],
  "sourceHost": "api.oblique.markets",
  "lastUpdated": "2026-10-08T06:11:10.298Z",
  "quality": {
    "calls30d": 5,
    "uniquePayers30d": 5,
    "lastCalledAt": "2026-10-08T06:11:10.165Z"
  },
  "metadata": {
    "serviceName": "Oblique Markets",
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1788767156/bazaar-icons/3e4ab977553c6430.png",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
              "admin": null,
              "beacon": null,
              "block_number": 40203311,
              "block_tag": "latest",
              "chain": "base",
              "chain_id": 8453,
              "extra_slots": [
                {
                  "as_address": null,
                  "as_bool": false,
                  "as_uint256": "0",
                  "raw": "0x0000000000000000000000000000000000000000000000000000000000000000",
                  "slot": "0x0000000000000000000000000000000000000000000000000000000000000000"
                }
              ],
              "freshness": {
                "cache": "miss",
                "cache_age_seconds": 0,
                "served_at": "2026-09-12T01:30:00.120Z",
                "ttl_seconds": 30
              },
              "implementation": "0x2Ce6311ddAE708829bc0784C967b7d77D19FD779",
              "implementation_has_code": true,
              "implementation_name": "FiatTokenV2_2",
              "is_contract": true,
              "is_proxy": true,
              "proxy_name": "FiatTokenProxy",
              "read_at": "2026-09-12T01:30:00.000Z",
              "receipt": {
                "payer": "0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea",
                "payment_network": "eip155:8453",
                "sku": "proxy-implementation"
              },
              "rpc": {
                "calls": 9,
                "endpoint_class": "public",
                "hosts": [
                  "mainnet.base.org"
                ]
              },
              "slots_read": [
                {
                  "label": "eip1967.implementation",
                  "raw": "0x0000000000000000000000000000000000000000000000000000000000000000",
                  "slot": "0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc"
                },
                {
                  "label": "eip1967.admin",
                  "raw": "0x0000000000000000000000000000000000000000000000000000000000000000",
                  "slot": "0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103"
                }
              ],
              "source": "public-rpc+explorer",
              "standard": "oz-legacy"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "address": {
                      "description": "Contract address to inspect, 0x plus 40 hex characters (any case).",
                      "type": "string"
                    },
                    "block": {
                      "description": "'latest' (default) or a decimal block number; explicit blocks are immutable and cached longer.",
                      "type": "string"
                    },
                    "chain": {
                      "description": "Chain name (base, ethereum, optimism, arbitrum, polygon) or chain id (8453, 1, 10, 42161, 137). Default base.",
                      "enum": [
                        "base",
                        "ethereum",
                        "optimism",
                        "arbitrum",
                        "polygon",
                        "8453",
                        "1",
                        "10",
                        "42161",
                        "137"
                      ],
                      "type": "string"
                    },
                    "slots": {
                      "description": "Up to 4 extra raw storage slots to read and decode: each a 0x bytes32 or a decimal slot number. GET accepts a comma-separated list.",
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    }
                  },
                  "required": [
                    "address"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "address": {
                  "type": "string"
                },
                "admin": {
                  "type": "null"
                },
                "beacon": {
                  "type": "null"
                },
                "block_number": {
                  "type": "integer"
                },
                "block_tag": {
                  "type": "string"
                },
                "chain": {
                  "type": "string"
                },
                "chain_id": {
                  "type": "integer"
                },
                "extra_slots": {
                  "items": {
                    "properties": {
                      "as_address": {
                        "type": "null"
                      },
                      "as_bool": {
                        "type": "boolean"
                      },
                      "as_uint256": {
                        "type": "string"
                      },
                      "raw": {
                        "type": "string"
                      },
                      "slot": {
                        "type": "string"
                      }
                    },
                    "type": "object"
                  },
                  "type": "array"
                },
                "freshness": {
                  "properties": {
                    "cache": {
                      "type": "string"
                    },
                    "cache_age_seconds": {
                      "type": "integer"
                    },
                    "served_at": {
                      "type": "string"
                    },
                    "ttl_seconds": {
                      "type": "integer"
                    }
                  },
                  "type": "object"
                },
                "implementation": {
                  "type": "string"
                },
                "implementation_has_code": {
                  "type": "boolean"
                },
                "implementation_name": {
                  "type": "string"
                },
                "is_contract": {
                  "type": "boolean"
                },
                "is_proxy": {
                  "type": "boolean"
                },
                "proxy_name": {
                  "type": "string"
                },
                "read_at": {
                  "type": "string"
                },
                "receipt": {
                  "properties": {
                    "payer": {
                      "type": "string"
                    },
                    "payment_network": {
                      "type": "string"
                    },
                    "sku": {
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "rpc": {
                  "properties": {
                    "calls": {
                      "type": "integer"
                    },
                    "endpoint_class": {
                      "type": "string"
                    },
                    "hosts": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    }
                  },
                  "type": "object"
                },
                "slots_read": {
                  "items": {
                    "properties": {
                      "label": {
                        "type": "string"
                      },
                      "raw": {
                        "type": "string"
                      },
                      "slot": {
                        "type": "string"
                      }
                    },
                    "type": "object"
                  },
                  "type": "array"
                },
                "source": {
                  "type": "string"
                },
                "standard": {
                  "type": "string"
                }
              },
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    }
  },
  "liveness": {
    "reliability": null
  },
  "verified": false,
  "featured": false,
  "provider": {
    "host": "api.oblique.markets",
    "manifest_name": "api.oblique.markets",
    "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": {
    "address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "admin": null,
    "beacon": null,
    "block_number": 40203311,
    "block_tag": "latest",
    "chain": "base",
    "chain_id": 8453,
    "extra_slots": [
      {
        "as_address": null,
        "as_bool": false,
        "as_uint256": "0",
        "raw": "0x0000000000000000000000000000000000000000000000000000000000000000",
        "slot": "0x0000000000000000000000000000000000000000000000000000000000000000"
      }
    ],
    "freshness": {
      "cache": "miss",
      "cache_age_seconds": 0,
      "served_at": "2026-09-12T01:30:00.120Z",
      "ttl_seconds": 30
    },
    "implementation": "0x2Ce6311ddAE708829bc0784C967b7d77D19FD779",
    "implementation_has_code": true,
    "implementation_name": "FiatTokenV2_2",
    "is_contract": true,
    "is_proxy": true,
    "proxy_name": "FiatTokenProxy",
    "read_at": "2026-09-12T01:30:00.000Z",
    "receipt": {
      "payer": "0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea",
      "payment_network": "eip155:8453",
      "sku": "proxy-implementation"
    },
    "rpc": {
      "calls": 9,
      "endpoint_class": "public",
      "hosts": [
        "mainnet.base.org"
      ]
    },
    "slots_read": [
      {
        "label": "eip1967.implementation",
        "raw": "0x0000000000000000000000000000000000000000000000000000000000000000",
        "slot": "0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc"
      },
      {
        "label": "eip1967.admin",
        "raw": "0x0000000000000000000000000000000000000000000000000000000000000000",
        "slot": "0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103"
      }
    ],
    "source": "public-rpc+explorer",
    "standard": "oz-legacy"
  }
}