{
  "x402Version": 2,
  "id": 1133,
  "slug": "1133",
  "resource": "https://x402tap.com/api/gas-price",
  "description": "Current gas price and EIP-1559 fee estimate for a chain (base, ethereum, polygon, arbitrum, optimism)",
  "type": "http",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0xB810B599bc730Aa85800BABe7f5d160524322C86",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "1000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "eip155:137",
      "payTo": "0xB810B599bc730Aa85800BABe7f5d160524322C86",
      "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
      "amount": "1000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "eip155:42161",
      "payTo": "0xB810B599bc730Aa85800BABe7f5d160524322C86",
      "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
      "amount": "1000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "payTo": "9fqXniDAn8hNMYC5C9waGv5u126bkwjU6qGgAoQeoWyo",
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "amount": "1000",
      "maxTimeoutSeconds": 300
    }
  ],
  "outputSchema": {
    "bazaar": {
      "info": {
        "input": {
          "method": "GET",
          "queryParams": {
            "chain": "base"
          },
          "type": "http"
        },
        "output": {
          "example": {
            "chain": "Base",
            "gasPriceGwei": 0.012,
            "maxFeePerGasGwei": 0.015,
            "maxPriorityFeePerGasGwei": 0.001,
            "nativeSymbol": "ETH"
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "properties": {
                  "chain": {
                    "description": "Chain to query: base, ethereum, polygon, arbitrum, optimism (default base)",
                    "type": "string"
                  }
                },
                "type": "object"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    },
    "offer-receipt": {
      "info": {
        "offers": [
          {
            "acceptIndex": 0,
            "format": "eip712",
            "payload": {
              "amount": "1000",
              "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
              "network": "eip155:8453",
              "payTo": "0xB810B599bc730Aa85800BABe7f5d160524322C86",
              "resourceUrl": "https://x402tap.com/api/gas-price",
              "scheme": "exact",
              "validUntil": 1788855156,
              "version": 1
            },
            "signature": "0x02fe089021ddb1b24a82aab6ebff06406fe06add43fede5a9e1667cfcb6859e339379df276c440a1a7d4cd5640cc05b073102e38cf5306051576cf1c00e1ef6d1c"
          },
          {
            "acceptIndex": 1,
            "format": "eip712",
            "payload": {
              "amount": "1000",
              "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
              "network": "eip155:137",
              "payTo": "0xB810B599bc730Aa85800BABe7f5d160524322C86",
              "resourceUrl": "https://x402tap.com/api/gas-price",
              "scheme": "exact",
              "validUntil": 1788855156,
              "version": 1
            },
            "signature": "0x0cae7e313638ea6045e69694fc2cd47cf4f11b503a9a73ce18ea719c351b5994176a62f2296c8afd5eeb6a8c3f156c931d479e75eb86fa61137ea35e8c04ffb01b"
          },
          {
            "acceptIndex": 2,
            "format": "eip712",
            "payload": {
              "amount": "1000",
              "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
              "network": "eip155:42161",
              "payTo": "0xB810B599bc730Aa85800BABe7f5d160524322C86",
              "resourceUrl": "https://x402tap.com/api/gas-price",
              "scheme": "exact",
              "validUntil": 1788855156,
              "version": 1
            },
            "signature": "0x87a8def714d2b16bb6d338d6c732573d5681f842fb487d0b2e054197e496ebff533c58f00ede63991450e9a3ac9812b3f9fc402162b85bc75a7d48daffe7f9a61c"
          },
          {
            "acceptIndex": 3,
            "format": "eip712",
            "payload": {
              "amount": "1000",
              "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
              "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
              "payTo": "9fqXniDAn8hNMYC5C9waGv5u126bkwjU6qGgAoQeoWyo",
              "resourceUrl": "https://x402tap.com/api/gas-price",
              "scheme": "exact",
              "validUntil": 1788855156,
              "version": 1
            },
            "signature": "0x2f64ecc7185ebbad8221b372116a7fc8bcdee3392246112c7f582c923ca3068d2118df99931ec0a36ae6d693c16887466d132631ed4fcba27830eaa62d2b22051c"
          }
        ]
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "offers": {
            "items": {
              "properties": {
                "acceptIndex": {
                  "type": "integer"
                },
                "format": {
                  "type": "string"
                },
                "payload": {
                  "properties": {
                    "amount": {
                      "type": "string"
                    },
                    "asset": {
                      "type": "string"
                    },
                    "network": {
                      "type": "string"
                    },
                    "payTo": {
                      "type": "string"
                    },
                    "resourceUrl": {
                      "type": "string"
                    },
                    "scheme": {
                      "type": "string"
                    },
                    "validUntil": {
                      "type": "integer"
                    },
                    "version": {
                      "type": "integer"
                    }
                  },
                  "required": [
                    "version",
                    "resourceUrl",
                    "scheme",
                    "network",
                    "asset",
                    "payTo",
                    "amount"
                  ],
                  "type": "object"
                },
                "signature": {
                  "type": "string"
                }
              },
              "required": [
                "format",
                "signature"
              ],
              "type": "object"
            },
            "type": "array"
          }
        },
        "required": [
          "offers"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "bazaar",
    "offer-receipt"
  ],
  "sourceHost": "x402tap.com",
  "lastUpdated": "2026-09-08T08:07:36.614Z",
  "quality": {
    "calls30d": 2,
    "uniquePayers30d": 2,
    "lastCalledAt": "2026-09-08T08:07:36.415Z"
  },
  "liveness": {},
  "verified": false,
  "featured": false,
  "provider": {
    "host": "x402tap.com",
    "manifest_name": "x402tap.com",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-09-18T22:00:31.484Z"
  }
}