{
  "x402Version": 2,
  "id": 26925,
  "slug": "26925",
  "resource": "https://chain.cyberwarex.com/block",
  "description": "Latest block on any major EVM chain: block number, timestamp, age in seconds, base fee and gas used/limit. The cheapest possible liveness and chain-tip check for an agent: confirm a chain is progressing, timestamp an observation, or pick a block for a query.",
  "type": "http",
  "serviceName": "Onchain Query API",
  "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1788960152/bazaar-icons/f98489fd044477d5.png",
  "resourceType": "Utilities",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x058D0Cc5CC97e61e8A9f38D6d6365bce525921B2",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "1000",
      "amountUsd": 0.001,
      "maxTimeoutSeconds": 300
    }
  ],
  "outputSchema": {
    "properties": {
      "example": {
        "properties": {
          "age_seconds": {
            "type": "integer"
          },
          "base_fee_gwei": {
            "type": "number"
          },
          "chain": {
            "type": "string"
          },
          "chain_id": {
            "type": "integer"
          },
          "gas_limit": {
            "type": "integer"
          },
          "gas_used": {
            "type": "integer"
          },
          "hash": {
            "type": "string"
          },
          "number": {
            "type": "integer"
          },
          "timestamp": {
            "type": "integer"
          },
          "tx_count": {
            "type": "integer"
          }
        },
        "type": "object"
      },
      "type": {
        "type": "string"
      }
    },
    "required": [
      "type"
    ],
    "type": "object"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "method": "GET",
          "queryParams": {
            "chain": "base"
          },
          "type": "http"
        },
        "output": {
          "example": {
            "age_seconds": 3,
            "base_fee_gwei": 0.0061,
            "chain": "base",
            "chain_id": 8453,
            "gas_limit": 150000000,
            "gas_used": 18234012,
            "hash": "0x9a1c…",
            "number": 51142663,
            "timestamp": 1789081234,
            "tx_count": 212
          },
          "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": {
                "additionalProperties": false,
                "properties": {
                  "chain": {
                    "default": "base",
                    "description": "EVM chain to query.",
                    "enum": [
                      "base",
                      "ethereum",
                      "arbitrum",
                      "optimism",
                      "polygon"
                    ],
                    "type": "string"
                  }
                },
                "type": "object"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "properties": {
                  "age_seconds": {
                    "type": "integer"
                  },
                  "base_fee_gwei": {
                    "type": "number"
                  },
                  "chain": {
                    "type": "string"
                  },
                  "chain_id": {
                    "type": "integer"
                  },
                  "gas_limit": {
                    "type": "integer"
                  },
                  "gas_used": {
                    "type": "integer"
                  },
                  "hash": {
                    "type": "string"
                  },
                  "number": {
                    "type": "integer"
                  },
                  "timestamp": {
                    "type": "integer"
                  },
                  "tx_count": {
                    "type": "integer"
                  }
                },
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "block",
    "blockchain",
    "evm",
    "chain-tip",
    "onchain-data",
    "bazaar"
  ],
  "sourceHost": "chain.cyberwarex.com",
  "lastUpdated": "2026-10-13T07:38:11.511Z",
  "quality": {
    "calls30d": 42,
    "uniquePayers30d": 5,
    "lastCalledAt": "2026-10-13T07:38:11.286Z"
  },
  "metadata": {
    "serviceName": "Onchain Query API",
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1788960152/bazaar-icons/f98489fd044477d5.png",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "chain": "base"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "age_seconds": 3,
              "base_fee_gwei": 0.0061,
              "chain": "base",
              "chain_id": 8453,
              "gas_limit": 150000000,
              "gas_used": 18234012,
              "hash": "0x9a1c…",
              "number": 51142663,
              "timestamp": 1789081234,
              "tx_count": 212
            },
            "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": {
                  "additionalProperties": false,
                  "properties": {
                    "chain": {
                      "default": "base",
                      "description": "EVM chain to query.",
                      "enum": [
                        "base",
                        "ethereum",
                        "arbitrum",
                        "optimism",
                        "polygon"
                      ],
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "age_seconds": {
                      "type": "integer"
                    },
                    "base_fee_gwei": {
                      "type": "number"
                    },
                    "chain": {
                      "type": "string"
                    },
                    "chain_id": {
                      "type": "integer"
                    },
                    "gas_limit": {
                      "type": "integer"
                    },
                    "gas_used": {
                      "type": "integer"
                    },
                    "hash": {
                      "type": "string"
                    },
                    "number": {
                      "type": "integer"
                    },
                    "timestamp": {
                      "type": "integer"
                    },
                    "tx_count": {
                      "type": "integer"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    }
  },
  "liveness": {
    "reliability": null
  },
  "verified": false,
  "featured": false,
  "provider": {
    "host": "chain.cyberwarex.com",
    "manifest_name": "chain.cyberwarex.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": {
    "example": {
      "age_seconds": 0,
      "base_fee_gwei": 0,
      "chain": "string",
      "chain_id": 0,
      "gas_limit": 0,
      "gas_used": 0,
      "hash": "string",
      "number": 0,
      "timestamp": 0,
      "tx_count": 0
    },
    "type": "string"
  }
}