{
  "x402Version": 2,
  "id": 33967,
  "slug": "33967",
  "resource": "https://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/chain/gas-snapshot",
  "description": "Return one bounded current EVM fee-history snapshot for a fixed supported chain using SolidRPC public JSON-RPC. Forest reports recent base-fee and latest sampled-block priority-fee percentile evidence only; it does not estimate a caller transaction gas limit, simulate, sign or broadcast a transaction, access a wallet, choose a transaction fee for the caller or guarantee an optimal fee. Base mainnet USDC",
  "type": "http",
  "serviceName": "Forest Web",
  "resourceType": "Blockchain Data",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0xf9c2a7255E7C51D7BF38331DcFC23Ba881cF61Ba",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "2000",
      "amountUsd": 0.002,
      "maxTimeoutSeconds": 120
    }
  ],
  "outputSchema": {
    "properties": {
      "example": {
        "additionalProperties": false,
        "properties": {
          "capability": {
            "const": "chain.gas-snapshot",
            "description": "Public capability value used to scope this lookup."
          },
          "data": {
            "additionalProperties": false,
            "description": "Public data value used to scope this lookup.",
            "properties": {
              "base_fee": {
                "additionalProperties": false,
                "description": "Public base fee value used to scope this lookup.",
                "properties": {
                  "latest_wei": {
                    "description": "Public latest wei value used to scope this lookup.",
                    "pattern": "^(?:0|[1-9]\\d*)$",
                    "type": "string"
                  },
                  "next_wei": {
                    "description": "Public next wei value used to scope this lookup.",
                    "pattern": "^(?:0|[1-9]\\d*)$",
                    "type": "string"
                  }
                },
                "required": [
                  "latest_wei",
                  "next_wei"
                ],
                "type": "object"
              },
              "cache_age_ms": {
                "description": "Public cache age ms value used to scope this lookup.",
                "maximum": 60000,
                "minimum": 0,
                "type": "integer"
              },
              "chain": {
                "description": "Public chain value used to scope this lookup.",
                "enum": [
                  "ethereum",
                  "optimism",
                  "bnb",
                  "polygon",
                  "base",
                  "arbitrum",
                  "avalanche"
                ],
                "type": "string"
              },
              "chain_id": {
                "description": "Public chain id value used to scope this lookup.",
                "minimum": 1,
                "type": "integer"
              },
              "freshness": {
                "const": "current_upstream_snapshot",
                "description": "Public freshness value used to scope this lookup."
              },
              "gas_used_ratio": {
                "description": "Public gas used ratio value used to scope this lookup.",
                "items": {
                  "maximum": 1,
                  "minimum": 0,
                  "type": "number"
                },
                "maxItems": 4,
                "minItems": 4,
                "type": "array"
              },
              "oldest_block": {
                "description": "Public oldest block value used to scope this lookup.",
                "pattern": "^(?:0|[1-9]\\d*)$",
                "type": "string"
              },
              "priority_fee_percentiles_wei": {
                "additionalProperties": false,
                "description": "Public priority fee percentiles wei value used to scope this lookup.",
                "properties": {
                  "p25": {
                    "description": "Public p25 value used to scope this lookup.",
                    "pattern": "^(?:0|[1-9]\\d*)$",
                    "type": "string"
                  },
                  "p50": {
                    "description": "Public p50 value used to scope this lookup.",
                    "pattern": "^(?:0|[1-9]\\d*)$",
                    "type": "string"
                  },
                  "p90": {
                    "description": "Public p90 value used to scope this lookup.",
                    "pattern": "^(?:0|[1-9]\\d*)$",
                    "type": "string"
                  }
                },
                "required": [
                  "p25",
                  "p50",
                  "p90"
                ],
                "type": "object"
              },
              "sampled_blocks": {
                "const": 4,
                "description": "Public sampled blocks value used to scope this lookup."
              },
              "source": {
                "const": "SolidRPC public EVM JSON-RPC",
                "description": "Public source value used to scope this lookup."
              },
              "source_method": {
                "const": "eth_feeHistory",
                "description": "Public source method value used to scope this lookup."
              },
              "transaction_broadcast": {
                "const": false,
                "description": "Public transaction broadcast value used to scope this lookup."
              },
              "transaction_simulated": {
                "const": false,
                "description": "Public transaction simulated value used to scope this lookup."
              }
            },
            "required": [
              "chain",
              "chain_id",
              "oldest_block",
              "sampled_blocks",
              "base_fee",
              "priority_fee_percentiles_wei",
              "gas_used_ratio",
              "source",
              "source_method",
              "freshness",
              "transaction_simulated",
              "transaction_broadcast",
              "cache_age_ms"
            ],
            "type": "object"
          },
          "meta": {
            "additionalProperties": false,
            "description": "Public meta value used to scope this lookup.",
            "properties": {
              "cache": {
                "description": "Public cache value used to scope this lookup.",
                "enum": [
                  "hit",
                  "miss",
                  "bypass"
                ]
              },
              "checked_at": {
                "description": "Public checked at value used to scope this lookup.",
                "type": "string"
              },
              "duration_ms": {
                "description": "Public duration ms value used to scope this lookup.",
                "minimum": 0,
                "type": "integer"
              },
              "provider": {
                "description": "Public provider value used to scope this lookup.",
                "type": [
                  "string",
                  "null"
                ]
              }
            },
            "required": [
              "provider",
              "checked_at",
              "cache",
              "duration_ms"
            ],
            "type": "object"
          },
          "ok": {
            "const": true,
            "description": "Public ok value used to scope this lookup."
          },
          "version": {
            "const": "1",
            "description": "Package version whose public metadata should be checked."
          }
        },
        "required": [
          "ok",
          "capability",
          "version",
          "data",
          "meta"
        ],
        "type": "object"
      },
      "type": {
        "type": "string"
      }
    },
    "required": [
      "type"
    ],
    "type": "object"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "body": {
            "chain": "base"
          },
          "bodyType": "json",
          "method": "POST",
          "type": "http"
        },
        "output": {
          "example": {
            "capability": "chain.gas-snapshot",
            "data": {
              "base_fee": {
                "latest_wei": "1",
                "next_wei": "1"
              },
              "cache_age_ms": 0,
              "chain": "ethereum",
              "chain_id": 1,
              "freshness": "current_upstream_snapshot",
              "gas_used_ratio": [
                0,
                0,
                0,
                0
              ],
              "oldest_block": "1",
              "priority_fee_percentiles_wei": {
                "p25": "1",
                "p50": "1",
                "p90": "1"
              },
              "sampled_blocks": 4,
              "source": "SolidRPC public EVM JSON-RPC",
              "source_method": "eth_feeHistory",
              "transaction_broadcast": false,
              "transaction_simulated": false
            },
            "meta": {
              "cache": "miss",
              "checked_at": "2026-01-01T00:00:00.000Z",
              "duration_ms": 0,
              "provider": "solidrpc-public"
            },
            "ok": true,
            "version": "1"
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "body": {
                "additionalProperties": false,
                "properties": {
                  "chain": {
                    "description": "Public chain value used to scope this lookup.",
                    "enum": [
                      "ethereum",
                      "optimism",
                      "bnb",
                      "polygon",
                      "base",
                      "arbitrum",
                      "avalanche"
                    ],
                    "type": "string"
                  }
                },
                "required": [
                  "chain"
                ],
                "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": {
                "additionalProperties": false,
                "properties": {
                  "capability": {
                    "const": "chain.gas-snapshot",
                    "description": "Public capability value used to scope this lookup."
                  },
                  "data": {
                    "additionalProperties": false,
                    "description": "Public data value used to scope this lookup.",
                    "properties": {
                      "base_fee": {
                        "additionalProperties": false,
                        "description": "Public base fee value used to scope this lookup.",
                        "properties": {
                          "latest_wei": {
                            "description": "Public latest wei value used to scope this lookup.",
                            "pattern": "^(?:0|[1-9]\\d*)$",
                            "type": "string"
                          },
                          "next_wei": {
                            "description": "Public next wei value used to scope this lookup.",
                            "pattern": "^(?:0|[1-9]\\d*)$",
                            "type": "string"
                          }
                        },
                        "required": [
                          "latest_wei",
                          "next_wei"
                        ],
                        "type": "object"
                      },
                      "cache_age_ms": {
                        "description": "Public cache age ms value used to scope this lookup.",
                        "maximum": 60000,
                        "minimum": 0,
                        "type": "integer"
                      },
                      "chain": {
                        "description": "Public chain value used to scope this lookup.",
                        "enum": [
                          "ethereum",
                          "optimism",
                          "bnb",
                          "polygon",
                          "base",
                          "arbitrum",
                          "avalanche"
                        ],
                        "type": "string"
                      },
                      "chain_id": {
                        "description": "Public chain id value used to scope this lookup.",
                        "minimum": 1,
                        "type": "integer"
                      },
                      "freshness": {
                        "const": "current_upstream_snapshot",
                        "description": "Public freshness value used to scope this lookup."
                      },
                      "gas_used_ratio": {
                        "description": "Public gas used ratio value used to scope this lookup.",
                        "items": {
                          "maximum": 1,
                          "minimum": 0,
                          "type": "number"
                        },
                        "maxItems": 4,
                        "minItems": 4,
                        "type": "array"
                      },
                      "oldest_block": {
                        "description": "Public oldest block value used to scope this lookup.",
                        "pattern": "^(?:0|[1-9]\\d*)$",
                        "type": "string"
                      },
                      "priority_fee_percentiles_wei": {
                        "additionalProperties": false,
                        "description": "Public priority fee percentiles wei value used to scope this lookup.",
                        "properties": {
                          "p25": {
                            "description": "Public p25 value used to scope this lookup.",
                            "pattern": "^(?:0|[1-9]\\d*)$",
                            "type": "string"
                          },
                          "p50": {
                            "description": "Public p50 value used to scope this lookup.",
                            "pattern": "^(?:0|[1-9]\\d*)$",
                            "type": "string"
                          },
                          "p90": {
                            "description": "Public p90 value used to scope this lookup.",
                            "pattern": "^(?:0|[1-9]\\d*)$",
                            "type": "string"
                          }
                        },
                        "required": [
                          "p25",
                          "p50",
                          "p90"
                        ],
                        "type": "object"
                      },
                      "sampled_blocks": {
                        "const": 4,
                        "description": "Public sampled blocks value used to scope this lookup."
                      },
                      "source": {
                        "const": "SolidRPC public EVM JSON-RPC",
                        "description": "Public source value used to scope this lookup."
                      },
                      "source_method": {
                        "const": "eth_feeHistory",
                        "description": "Public source method value used to scope this lookup."
                      },
                      "transaction_broadcast": {
                        "const": false,
                        "description": "Public transaction broadcast value used to scope this lookup."
                      },
                      "transaction_simulated": {
                        "const": false,
                        "description": "Public transaction simulated value used to scope this lookup."
                      }
                    },
                    "required": [
                      "chain",
                      "chain_id",
                      "oldest_block",
                      "sampled_blocks",
                      "base_fee",
                      "priority_fee_percentiles_wei",
                      "gas_used_ratio",
                      "source",
                      "source_method",
                      "freshness",
                      "transaction_simulated",
                      "transaction_broadcast",
                      "cache_age_ms"
                    ],
                    "type": "object"
                  },
                  "meta": {
                    "additionalProperties": false,
                    "description": "Public meta value used to scope this lookup.",
                    "properties": {
                      "cache": {
                        "description": "Public cache value used to scope this lookup.",
                        "enum": [
                          "hit",
                          "miss",
                          "bypass"
                        ]
                      },
                      "checked_at": {
                        "description": "Public checked at value used to scope this lookup.",
                        "type": "string"
                      },
                      "duration_ms": {
                        "description": "Public duration ms value used to scope this lookup.",
                        "minimum": 0,
                        "type": "integer"
                      },
                      "provider": {
                        "description": "Public provider value used to scope this lookup.",
                        "type": [
                          "string",
                          "null"
                        ]
                      }
                    },
                    "required": [
                      "provider",
                      "checked_at",
                      "cache",
                      "duration_ms"
                    ],
                    "type": "object"
                  },
                  "ok": {
                    "const": true,
                    "description": "Public ok value used to scope this lookup."
                  },
                  "version": {
                    "const": "1",
                    "description": "Package version whose public metadata should be checked."
                  }
                },
                "required": [
                  "ok",
                  "capability",
                  "version",
                  "data",
                  "meta"
                ],
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "evm",
    "gas",
    "fees",
    "fee-history",
    "base-fee",
    "bazaar"
  ],
  "sourceHost": "http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run",
  "lastUpdated": "2026-10-09T19:48:02.358Z",
  "quality": {
    "calls30d": 2,
    "uniquePayers30d": 2,
    "lastCalledAt": "2026-10-09T19:48:01.975Z"
  },
  "metadata": {
    "serviceName": "Forest Web",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "chain": "base"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "capability": "chain.gas-snapshot",
              "data": {
                "base_fee": {
                  "latest_wei": "1",
                  "next_wei": "1"
                },
                "cache_age_ms": 0,
                "chain": "ethereum",
                "chain_id": 1,
                "freshness": "current_upstream_snapshot",
                "gas_used_ratio": [
                  0,
                  0,
                  0,
                  0
                ],
                "oldest_block": "1",
                "priority_fee_percentiles_wei": {
                  "p25": "1",
                  "p50": "1",
                  "p90": "1"
                },
                "sampled_blocks": 4,
                "source": "SolidRPC public EVM JSON-RPC",
                "source_method": "eth_feeHistory",
                "transaction_broadcast": false,
                "transaction_simulated": false
              },
              "meta": {
                "cache": "miss",
                "checked_at": "2026-01-01T00:00:00.000Z",
                "duration_ms": 0,
                "provider": "solidrpc-public"
              },
              "ok": true,
              "version": "1"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "chain": {
                      "description": "Public chain value used to scope this lookup.",
                      "enum": [
                        "ethereum",
                        "optimism",
                        "bnb",
                        "polygon",
                        "base",
                        "arbitrum",
                        "avalanche"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "chain"
                  ],
                  "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": {
                  "additionalProperties": false,
                  "properties": {
                    "capability": {
                      "const": "chain.gas-snapshot",
                      "description": "Public capability value used to scope this lookup."
                    },
                    "data": {
                      "additionalProperties": false,
                      "description": "Public data value used to scope this lookup.",
                      "properties": {
                        "base_fee": {
                          "additionalProperties": false,
                          "description": "Public base fee value used to scope this lookup.",
                          "properties": {
                            "latest_wei": {
                              "description": "Public latest wei value used to scope this lookup.",
                              "pattern": "^(?:0|[1-9]\\d*)$",
                              "type": "string"
                            },
                            "next_wei": {
                              "description": "Public next wei value used to scope this lookup.",
                              "pattern": "^(?:0|[1-9]\\d*)$",
                              "type": "string"
                            }
                          },
                          "required": [
                            "latest_wei",
                            "next_wei"
                          ],
                          "type": "object"
                        },
                        "cache_age_ms": {
                          "description": "Public cache age ms value used to scope this lookup.",
                          "maximum": 60000,
                          "minimum": 0,
                          "type": "integer"
                        },
                        "chain": {
                          "description": "Public chain value used to scope this lookup.",
                          "enum": [
                            "ethereum",
                            "optimism",
                            "bnb",
                            "polygon",
                            "base",
                            "arbitrum",
                            "avalanche"
                          ],
                          "type": "string"
                        },
                        "chain_id": {
                          "description": "Public chain id value used to scope this lookup.",
                          "minimum": 1,
                          "type": "integer"
                        },
                        "freshness": {
                          "const": "current_upstream_snapshot",
                          "description": "Public freshness value used to scope this lookup."
                        },
                        "gas_used_ratio": {
                          "description": "Public gas used ratio value used to scope this lookup.",
                          "items": {
                            "maximum": 1,
                            "minimum": 0,
                            "type": "number"
                          },
                          "maxItems": 4,
                          "minItems": 4,
                          "type": "array"
                        },
                        "oldest_block": {
                          "description": "Public oldest block value used to scope this lookup.",
                          "pattern": "^(?:0|[1-9]\\d*)$",
                          "type": "string"
                        },
                        "priority_fee_percentiles_wei": {
                          "additionalProperties": false,
                          "description": "Public priority fee percentiles wei value used to scope this lookup.",
                          "properties": {
                            "p25": {
                              "description": "Public p25 value used to scope this lookup.",
                              "pattern": "^(?:0|[1-9]\\d*)$",
                              "type": "string"
                            },
                            "p50": {
                              "description": "Public p50 value used to scope this lookup.",
                              "pattern": "^(?:0|[1-9]\\d*)$",
                              "type": "string"
                            },
                            "p90": {
                              "description": "Public p90 value used to scope this lookup.",
                              "pattern": "^(?:0|[1-9]\\d*)$",
                              "type": "string"
                            }
                          },
                          "required": [
                            "p25",
                            "p50",
                            "p90"
                          ],
                          "type": "object"
                        },
                        "sampled_blocks": {
                          "const": 4,
                          "description": "Public sampled blocks value used to scope this lookup."
                        },
                        "source": {
                          "const": "SolidRPC public EVM JSON-RPC",
                          "description": "Public source value used to scope this lookup."
                        },
                        "source_method": {
                          "const": "eth_feeHistory",
                          "description": "Public source method value used to scope this lookup."
                        },
                        "transaction_broadcast": {
                          "const": false,
                          "description": "Public transaction broadcast value used to scope this lookup."
                        },
                        "transaction_simulated": {
                          "const": false,
                          "description": "Public transaction simulated value used to scope this lookup."
                        }
                      },
                      "required": [
                        "chain",
                        "chain_id",
                        "oldest_block",
                        "sampled_blocks",
                        "base_fee",
                        "priority_fee_percentiles_wei",
                        "gas_used_ratio",
                        "source",
                        "source_method",
                        "freshness",
                        "transaction_simulated",
                        "transaction_broadcast",
                        "cache_age_ms"
                      ],
                      "type": "object"
                    },
                    "meta": {
                      "additionalProperties": false,
                      "description": "Public meta value used to scope this lookup.",
                      "properties": {
                        "cache": {
                          "description": "Public cache value used to scope this lookup.",
                          "enum": [
                            "hit",
                            "miss",
                            "bypass"
                          ]
                        },
                        "checked_at": {
                          "description": "Public checked at value used to scope this lookup.",
                          "type": "string"
                        },
                        "duration_ms": {
                          "description": "Public duration ms value used to scope this lookup.",
                          "minimum": 0,
                          "type": "integer"
                        },
                        "provider": {
                          "description": "Public provider value used to scope this lookup.",
                          "type": [
                            "string",
                            "null"
                          ]
                        }
                      },
                      "required": [
                        "provider",
                        "checked_at",
                        "cache",
                        "duration_ms"
                      ],
                      "type": "object"
                    },
                    "ok": {
                      "const": true,
                      "description": "Public ok value used to scope this lookup."
                    },
                    "version": {
                      "const": "1",
                      "description": "Package version whose public metadata should be checked."
                    }
                  },
                  "required": [
                    "ok",
                    "capability",
                    "version",
                    "data",
                    "meta"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    }
  },
  "liveness": {
    "reliability": null
  },
  "verified": false,
  "featured": false,
  "provider": {
    "host": "http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run",
    "manifest_name": "http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run",
    "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": {
      "capability": null,
      "data": {
        "base_fee": {
          "latest_wei": "string",
          "next_wei": "string"
        },
        "cache_age_ms": 0,
        "chain": "ethereum",
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}