{
  "x402Version": 2,
  "id": 29366,
  "slug": "29366",
  "resource": "https://www.tereno.xyz/api/v1/capabilities/chain.snapshot/invoke",
  "description": "What is the current state of Base? Latest block number, timestamp, base fee and suggested gas fees in a single cheap call with no parameters — the fastest way to test an x402 payment loop end to end. Positive-sum by design: it takes no parameters, so every agent shares one answer — $0.02 if you are the first inside the freshness window, $0.01 for everyone after you.",
  "type": "http",
  "serviceName": "Tereno Base Chain Snapshot",
  "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1785265805/bazaar-icons/bbe7300c7e86b0d0.png",
  "resourceType": "Payments",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0xfbF218ACCBb0D57fc4E8fc3E2A885C910c4C9e94",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "2000",
      "amountUsd": 0.002,
      "maxTimeoutSeconds": 300
    }
  ],
  "outputSchema": {
    "properties": {
      "example": {
        "properties": {
          "capabilityId": {
            "const": "chain.snapshot"
          },
          "invocationId": {
            "type": "string"
          },
          "pricing": {
            "type": "object"
          },
          "receiptUrl": {
            "type": "string"
          },
          "result": {
            "properties": {
              "baseFeePerGas": {
                "type": [
                  "string",
                  "null"
                ]
              },
              "blockNumber": {
                "type": "integer"
              },
              "blockTimestamp": {
                "type": "string"
              },
              "chainId": {
                "type": "integer"
              },
              "unixTimestamp": {
                "type": "integer"
              },
              "validUntilBlock": {
                "type": "integer"
              }
            },
            "required": [
              "chainId",
              "blockNumber",
              "unixTimestamp",
              "validUntilBlock"
            ],
            "type": "object"
          },
          "verdict": {
            "enum": [
              "allow",
              "review",
              "block"
            ]
          }
        },
        "required": [
          "capabilityId",
          "invocationId",
          "verdict",
          "result",
          "pricing",
          "receiptUrl"
        ],
        "type": "object"
      },
      "type": {
        "type": "string"
      }
    },
    "required": [
      "type"
    ],
    "type": "object"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "method": "GET",
          "queryParams": {},
          "type": "http"
        },
        "output": {
          "example": {
            "capabilityId": "chain.snapshot",
            "capabilityVersion": "1.0.0",
            "invocationId": "uuid",
            "pricing": {
              "actualCacheStatus": "miss",
              "creditAppliedUsd": 0,
              "currency": "USDC",
              "listPriceUsd": 0.001,
              "pricePaidUsd": 0.001,
              "quotedCacheStatus": "miss"
            },
            "receiptUrl": "/api/v1/receipts/uuid",
            "result": {
              "baseFeePerGas": "4523161",
              "blockNumber": 123456,
              "blockTimestamp": "2026-07-22T12:00:00.000Z",
              "chainId": 8453,
              "computedAtBlock": 123456,
              "network": "eip155:8453",
              "reasonCodes": [
                "CHAIN_OBSERVED"
              ],
              "suggestedMaxFeePerGas": "9046322",
              "suggestedMaxPriorityFeePerGas": "1000000",
              "unixTimestamp": 1784721600,
              "validUntilBlock": 123458,
              "verdict": "allow"
            },
            "verdict": "allow"
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "additionalProperties": false,
                "properties": {
                  "quote": {
                    "description": "Optional single-use quote id.",
                    "type": "string"
                  }
                },
                "type": "object"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "properties": {
                  "capabilityId": {
                    "const": "chain.snapshot"
                  },
                  "invocationId": {
                    "type": "string"
                  },
                  "pricing": {
                    "type": "object"
                  },
                  "receiptUrl": {
                    "type": "string"
                  },
                  "result": {
                    "properties": {
                      "baseFeePerGas": {
                        "type": [
                          "string",
                          "null"
                        ]
                      },
                      "blockNumber": {
                        "type": "integer"
                      },
                      "blockTimestamp": {
                        "type": "string"
                      },
                      "chainId": {
                        "type": "integer"
                      },
                      "unixTimestamp": {
                        "type": "integer"
                      },
                      "validUntilBlock": {
                        "type": "integer"
                      }
                    },
                    "required": [
                      "chainId",
                      "blockNumber",
                      "unixTimestamp",
                      "validUntilBlock"
                    ],
                    "type": "object"
                  },
                  "verdict": {
                    "enum": [
                      "allow",
                      "review",
                      "block"
                    ]
                  }
                },
                "required": [
                  "capabilityId",
                  "invocationId",
                  "verdict",
                  "result",
                  "pricing",
                  "receiptUrl"
                ],
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    },
    "builder-code": {
      "info": {
        "a": "bc_8kag0yoi"
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "additionalProperties": false,
        "properties": {
          "a": {
            "description": "App builder code",
            "pattern": "^[a-z0-9_]{1,32}$",
            "type": "string"
          },
          "s": {
            "description": "Service builder codes",
            "items": {
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            },
            "type": "array"
          },
          "w": {
            "description": "Wallet builder code",
            "pattern": "^[a-z0-9_]{1,32}$",
            "type": "string"
          }
        },
        "type": "object"
      }
    }
  },
  "tags": [
    "chain-info",
    "block-number",
    "gas-price",
    "base-fee",
    "gas-estimate",
    "bazaar",
    "builder-code"
  ],
  "sourceHost": "www.tereno.xyz",
  "lastUpdated": "2026-10-08T20:33:19.372Z",
  "quality": {
    "calls30d": 3,
    "uniquePayers30d": 3,
    "lastCalledAt": "2026-10-08T20:33:19.177Z"
  },
  "metadata": {
    "serviceName": "Tereno Base Chain Snapshot",
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1785265805/bazaar-icons/bbe7300c7e86b0d0.png",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "capabilityId": "chain.snapshot",
              "capabilityVersion": "1.0.0",
              "invocationId": "uuid",
              "pricing": {
                "actualCacheStatus": "miss",
                "creditAppliedUsd": 0,
                "currency": "USDC",
                "listPriceUsd": 0.001,
                "pricePaidUsd": 0.001,
                "quotedCacheStatus": "miss"
              },
              "receiptUrl": "/api/v1/receipts/uuid",
              "result": {
                "baseFeePerGas": "4523161",
                "blockNumber": 123456,
                "blockTimestamp": "2026-07-22T12:00:00.000Z",
                "chainId": 8453,
                "computedAtBlock": 123456,
                "network": "eip155:8453",
                "reasonCodes": [
                  "CHAIN_OBSERVED"
                ],
                "suggestedMaxFeePerGas": "9046322",
                "suggestedMaxPriorityFeePerGas": "1000000",
                "unixTimestamp": 1784721600,
                "validUntilBlock": 123458,
                "verdict": "allow"
              },
              "verdict": "allow"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "additionalProperties": false,
                  "properties": {
                    "quote": {
                      "description": "Optional single-use quote id.",
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "capabilityId": {
                      "const": "chain.snapshot"
                    },
                    "invocationId": {
                      "type": "string"
                    },
                    "pricing": {
                      "type": "object"
                    },
                    "receiptUrl": {
                      "type": "string"
                    },
                    "result": {
                      "properties": {
                        "baseFeePerGas": {
                          "type": [
                            "string",
                            "null"
                          ]
                        },
                        "blockNumber": {
                          "type": "integer"
                        },
                        "blockTimestamp": {
                          "type": "string"
                        },
                        "chainId": {
                          "type": "integer"
                        },
                        "unixTimestamp": {
                          "type": "integer"
                        },
                        "validUntilBlock": {
                          "type": "integer"
                        }
                      },
                      "required": [
                        "chainId",
                        "blockNumber",
                        "unixTimestamp",
                        "validUntilBlock"
                      ],
                      "type": "object"
                    },
                    "verdict": {
                      "enum": [
                        "allow",
                        "review",
                        "block"
                      ]
                    }
                  },
                  "required": [
                    "capabilityId",
                    "invocationId",
                    "verdict",
                    "result",
                    "pricing",
                    "receiptUrl"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "builder-code": {
        "info": {
          "a": "bc_8kag0yoi"
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": false,
          "properties": {
            "a": {
              "description": "App builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            },
            "s": {
              "description": "Service builder codes",
              "items": {
                "pattern": "^[a-z0-9_]{1,32}$",
                "type": "string"
              },
              "type": "array"
            },
            "w": {
              "description": "Wallet builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            }
          },
          "type": "object"
        }
      }
    }
  },
  "liveness": {
    "reliability": null
  },
  "verified": false,
  "featured": false,
  "provider": {
    "host": "www.tereno.xyz",
    "manifest_name": "www.tereno.xyz",
    "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": {
      "capabilityId": null,
      "invocationId": "string",
      "pricing": {},
      "receiptUrl": "string",
      "result": {
        "baseFeePerGas": "string",
        "blockNumber": 0,
        "blockTimestamp": "string",
        "chainId": 0,
        "unixTimestamp": 0,
        "validUntilBlock": 0
      },
      "verdict": "allow"
    },
    "type": "string"
  }
}