{
  "x402Version": 2,
  "id": 27719,
  "slug": "27719",
  "resource": "https://apiacre.com/v1/crypto/base-block-inspect",
  "description": "Get and inspect one historical Base mainnet block by exact number or a latest, safe, or finalized tag, returning its header timestamp, transaction count, gas use, base and blob fees, state and receipt roots, confirmations, and head-distance evidence.",
  "type": "http",
  "serviceName": "API Acre",
  "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1786471603/bazaar-icons/3cd5dfbdc8c7913d.png",
  "resourceType": "Beauty & Personal Care",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0xa0BFa4f07281c9b248DC3AED2217836BcA24869B",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "1000",
      "amountUsd": 0.001,
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "payTo": "B4CHWQeQn7GDLZD2aW6hpGG2bEseisBFLZYECA3HDLan",
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "amount": "1000",
      "amountUsd": 0.001,
      "maxTimeoutSeconds": 300
    }
  ],
  "outputSchema": {
    "properties": {
      "example": {
        "properties": {
          "data": {
            "additionalProperties": false,
            "properties": {
              "block": {
                "anyOf": [
                  {
                    "type": "object"
                  },
                  {
                    "type": "null"
                  }
                ]
              },
              "disclaimer": {
                "type": "string"
              },
              "found": {
                "type": "boolean"
              },
              "head": {
                "type": "object"
              },
              "network": {
                "type": "object"
              },
              "networkRequestsMade": {
                "type": "integer"
              },
              "observedAt": {
                "type": "string"
              },
              "readOnly": {
                "type": "boolean"
              },
              "request": {
                "type": "object"
              },
              "rpcCallsMade": {
                "type": "integer"
              },
              "source": {
                "type": "string"
              },
              "transactionBroadcast": {
                "type": "boolean"
              },
              "warnings": {
                "items": {
                  "type": "string"
                },
                "type": "array"
              }
            },
            "required": [
              "request",
              "network",
              "observedAt",
              "head",
              "found",
              "block",
              "networkRequestsMade",
              "rpcCallsMade",
              "readOnly",
              "transactionBroadcast",
              "warnings",
              "source",
              "disclaimer"
            ],
            "type": "object"
          },
          "meta": {
            "properties": {
              "cached": {
                "type": "boolean"
              },
              "duration_ms": {
                "type": "integer"
              },
              "next_actions": {
                "items": {
                  "type": "object"
                },
                "type": "array"
              },
              "sources": {
                "items": {
                  "type": "string"
                },
                "type": "array"
              },
              "warnings": {
                "items": {
                  "type": "string"
                },
                "type": "array"
              }
            },
            "required": [
              "duration_ms",
              "cached",
              "sources",
              "warnings",
              "next_actions"
            ],
            "type": "object"
          },
          "request_id": {
            "type": "string"
          },
          "service": {
            "type": "string"
          },
          "version": {
            "type": "string"
          }
        },
        "required": [
          "request_id",
          "service",
          "version",
          "data",
          "meta"
        ],
        "type": "object"
      },
      "type": {
        "type": "string"
      }
    },
    "required": [
      "type"
    ],
    "type": "object"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "body": {
            "block_number": 34600000,
            "block_tag": "safe"
          },
          "bodyType": "json",
          "method": "POST",
          "type": "http"
        },
        "output": {
          "example": {
            "data": {
              "block": {
                "ageSeconds": 4,
                "hash": "0x4444444444444444444444444444444444444444444444444444444444444444",
                "number": 34600000,
                "parentHash": "0x3333333333333333333333333333333333333333333333333333333333333333",
                "timestamp": "2026-08-11T13:00:00+00:00"
              },
              "disclaimer": "A point-in-time RPC observation, not proof of finality beyond the requested p...",
              "found": true,
              "head": {
                "blockAtOrBeforeHead": true,
                "confirmations": 3,
                "latestNumber": 34600002
              },
              "network": {
                "caip2": "eip155:8453",
                "chainId": 8453,
                "name": "Base Mainnet"
              },
              "networkRequestsMade": 1,
              "observedAt": "2026-08-11T13:00:04+00:00",
              "readOnly": true,
              "request": {
                "blockNumber": 34600000,
                "blockTag": null,
                "fullTransactions": false,
                "mode": "number",
                "rpcSelector": "0x20ff440"
              },
              "rpcCallsMade": 3,
              "source": "https://docs.base.org/base-chain/api-reference/ethereum-json-rpc-api/eth_getB...",
              "transactionBroadcast": false,
              "warnings": []
            },
            "meta": {
              "cached": false,
              "duration_ms": 42,
              "next_actions": [
                {
                  "method": "POST",
                  "path": "/v1/crypto/base-network-status",
                  "reason": "Compare the inspected historical or tagged block with the current Base head a...",
                  "service": "crypto.base-network-status",
                  "title": "Base network and fee status"
                }
              ],
              "sources": [],
              "warnings": []
            },
            "request_id": "018f1f54-7f38-7ba2-8dc3-5f90272d9f1a",
            "service": "crypto.base-block-inspect",
            "version": "1"
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "body": {
                "properties": {
                  "block_number": {
                    "anyOf": [
                      {
                        "type": "integer"
                      },
                      {
                        "type": "null"
                      }
                    ]
                  },
                  "block_tag": {
                    "enum": [
                      "latest",
                      "safe",
                      "finalized"
                    ],
                    "type": "string"
                  }
                },
                "type": "object"
              },
              "bodyType": {
                "enum": [
                  "json",
                  "form-data",
                  "text"
                ],
                "type": "string"
              },
              "method": {
                "enum": [
                  "POST",
                  "PUT",
                  "PATCH"
                ],
                "type": "string"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method",
              "bodyType",
              "body"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "properties": {
                  "data": {
                    "additionalProperties": false,
                    "properties": {
                      "block": {
                        "anyOf": [
                          {
                            "type": "object"
                          },
                          {
                            "type": "null"
                          }
                        ]
                      },
                      "disclaimer": {
                        "type": "string"
                      },
                      "found": {
                        "type": "boolean"
                      },
                      "head": {
                        "type": "object"
                      },
                      "network": {
                        "type": "object"
                      },
                      "networkRequestsMade": {
                        "type": "integer"
                      },
                      "observedAt": {
                        "type": "string"
                      },
                      "readOnly": {
                        "type": "boolean"
                      },
                      "request": {
                        "type": "object"
                      },
                      "rpcCallsMade": {
                        "type": "integer"
                      },
                      "source": {
                        "type": "string"
                      },
                      "transactionBroadcast": {
                        "type": "boolean"
                      },
                      "warnings": {
                        "items": {
                          "type": "string"
                        },
                        "type": "array"
                      }
                    },
                    "required": [
                      "request",
                      "network",
                      "observedAt",
                      "head",
                      "found",
                      "block",
                      "networkRequestsMade",
                      "rpcCallsMade",
                      "readOnly",
                      "transactionBroadcast",
                      "warnings",
                      "source",
                      "disclaimer"
                    ],
                    "type": "object"
                  },
                  "meta": {
                    "properties": {
                      "cached": {
                        "type": "boolean"
                      },
                      "duration_ms": {
                        "type": "integer"
                      },
                      "next_actions": {
                        "items": {
                          "type": "object"
                        },
                        "type": "array"
                      },
                      "sources": {
                        "items": {
                          "type": "string"
                        },
                        "type": "array"
                      },
                      "warnings": {
                        "items": {
                          "type": "string"
                        },
                        "type": "array"
                      }
                    },
                    "required": [
                      "duration_ms",
                      "cached",
                      "sources",
                      "warnings",
                      "next_actions"
                    ],
                    "type": "object"
                  },
                  "request_id": {
                    "type": "string"
                  },
                  "service": {
                    "type": "string"
                  },
                  "version": {
                    "type": "string"
                  }
                },
                "required": [
                  "request_id",
                  "service",
                  "version",
                  "data",
                  "meta"
                ],
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    },
    "payment-identifier": {
      "info": {
        "required": false
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "id": {
            "maxLength": 128,
            "minLength": 16,
            "pattern": "^[a-zA-Z0-9_-]+$",
            "type": "string"
          },
          "required": {
            "type": "boolean"
          }
        },
        "required": [
          "required"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "base-block",
    "block-by-number",
    "historical-block",
    "block-confirmations",
    "block-header",
    "bazaar",
    "payment-identifier"
  ],
  "sourceHost": "apiacre.com",
  "lastUpdated": "2026-10-08T10:16:09.597Z",
  "quality": {
    "calls30d": 3,
    "uniquePayers30d": 3,
    "lastCalledAt": "2026-10-08T10:16:09.312Z"
  },
  "metadata": {
    "serviceName": "API Acre",
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1786471603/bazaar-icons/3cd5dfbdc8c7913d.png",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "block_number": 34600000,
              "block_tag": "safe"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "data": {
                "block": {
                  "ageSeconds": 4,
                  "hash": "0x4444444444444444444444444444444444444444444444444444444444444444",
                  "number": 34600000,
                  "parentHash": "0x3333333333333333333333333333333333333333333333333333333333333333",
                  "timestamp": "2026-08-11T13:00:00+00:00"
                },
                "disclaimer": "A point-in-time RPC observation, not proof of finality beyond the requested p...",
                "found": true,
                "head": {
                  "blockAtOrBeforeHead": true,
                  "confirmations": 3,
                  "latestNumber": 34600002
                },
                "network": {
                  "caip2": "eip155:8453",
                  "chainId": 8453,
                  "name": "Base Mainnet"
                },
                "networkRequestsMade": 1,
                "observedAt": "2026-08-11T13:00:04+00:00",
                "readOnly": true,
                "request": {
                  "blockNumber": 34600000,
                  "blockTag": null,
                  "fullTransactions": false,
                  "mode": "number",
                  "rpcSelector": "0x20ff440"
                },
                "rpcCallsMade": 3,
                "source": "https://docs.base.org/base-chain/api-reference/ethereum-json-rpc-api/eth_getB...",
                "transactionBroadcast": false,
                "warnings": []
              },
              "meta": {
                "cached": false,
                "duration_ms": 42,
                "next_actions": [
                  {
                    "method": "POST",
                    "path": "/v1/crypto/base-network-status",
                    "reason": "Compare the inspected historical or tagged block with the current Base head a...",
                    "service": "crypto.base-network-status",
                    "title": "Base network and fee status"
                  }
                ],
                "sources": [],
                "warnings": []
              },
              "request_id": "018f1f54-7f38-7ba2-8dc3-5f90272d9f1a",
              "service": "crypto.base-block-inspect",
              "version": "1"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "block_number": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "block_tag": {
                      "enum": [
                        "latest",
                        "safe",
                        "finalized"
                      ],
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "data": {
                      "additionalProperties": false,
                      "properties": {
                        "block": {
                          "anyOf": [
                            {
                              "type": "object"
                            },
                            {
                              "type": "null"
                            }
                          ]
                        },
                        "disclaimer": {
                          "type": "string"
                        },
                        "found": {
                          "type": "boolean"
                        },
                        "head": {
                          "type": "object"
                        },
                        "network": {
                          "type": "object"
                        },
                        "networkRequestsMade": {
                          "type": "integer"
                        },
                        "observedAt": {
                          "type": "string"
                        },
                        "readOnly": {
                          "type": "boolean"
                        },
                        "request": {
                          "type": "object"
                        },
                        "rpcCallsMade": {
                          "type": "integer"
                        },
                        "source": {
                          "type": "string"
                        },
                        "transactionBroadcast": {
                          "type": "boolean"
                        },
                        "warnings": {
                          "items": {
                            "type": "string"
                          },
                          "type": "array"
                        }
                      },
                      "required": [
                        "request",
                        "network",
                        "observedAt",
                        "head",
                        "found",
                        "block",
                        "networkRequestsMade",
                        "rpcCallsMade",
                        "readOnly",
                        "transactionBroadcast",
                        "warnings",
                        "source",
                        "disclaimer"
                      ],
                      "type": "object"
                    },
                    "meta": {
                      "properties": {
                        "cached": {
                          "type": "boolean"
                        },
                        "duration_ms": {
                          "type": "integer"
                        },
                        "next_actions": {
                          "items": {
                            "type": "object"
                          },
                          "type": "array"
                        },
                        "sources": {
                          "items": {
                            "type": "string"
                          },
                          "type": "array"
                        },
                        "warnings": {
                          "items": {
                            "type": "string"
                          },
                          "type": "array"
                        }
                      },
                      "required": [
                        "duration_ms",
                        "cached",
                        "sources",
                        "warnings",
                        "next_actions"
                      ],
                      "type": "object"
                    },
                    "request_id": {
                      "type": "string"
                    },
                    "service": {
                      "type": "string"
                    },
                    "version": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "request_id",
                    "service",
                    "version",
                    "data",
                    "meta"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "payment-identifier": {
        "info": {
          "required": false
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "id": {
              "maxLength": 128,
              "minLength": 16,
              "pattern": "^[a-zA-Z0-9_-]+$",
              "type": "string"
            },
            "required": {
              "type": "boolean"
            }
          },
          "required": [
            "required"
          ],
          "type": "object"
        }
      }
    }
  },
  "liveness": {
    "reliability": null
  },
  "verified": false,
  "featured": false,
  "provider": {
    "host": "apiacre.com",
    "manifest_name": "apiacre.com",
    "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": {
    "data": {
      "block": {
        "ageSeconds": 4,
        "hash": "0x4444444444444444444444444444444444444444444444444444444444444444",
        "number": 34600000,
        "parentHash": "0x3333333333333333333333333333333333333333333333333333333333333333",
        "timestamp": "2026-08-11T13:00:00+00:00"
      },
      "disclaimer": "A point-in-time RPC observation, not proof of finality beyond the requested p...",
      "found": true,
      "head": {
        "blockAtOrBeforeHead": true,
        "confirmations": 3,
        "latestNumber": 34600002
      },
      "network": {
        "caip2": "eip155:8453",
        "chainId": 8453,
        "name": "Base Mainnet"
      },
      "networkRequestsMade": 1,
      "observedAt": "2026-08-11T13:00:04+00:00",
      "readOnly": true,
      "request": {
        "blockNumber": 34600000,
        "blockTag": null,
        "fullTransactions": false,
        "mode": "number",
        "rpcSelector": "0x20ff440"
      },
      "rpcCallsMade": 3,
      "source": "https://docs.base.org/base-chain/api-reference/ethereum-json-rpc-api/eth_getB...",
      "transactionBroadcast": false,
      "warnings": []
    },
    "meta": {
      "cached": false,
      "duration_ms": 42,
      "next_actions": [
        {
          "method": "POST",
          "path": "/v1/crypto/base-network-status",
          "reason": "Compare the inspected historical or tagged block with the current Base head a...",
          "service": "crypto.base-network-status",
          "title": "Base network and fee status"
        }
      ],
      "sources": [],
      "warnings": []
    },
    "request_id": "018f1f54-7f38-7ba2-8dc3-5f90272d9f1a",
    "service": "crypto.base-block-inspect",
    "version": "1"
  }
}