{
  "x402Version": 2,
  "id": 2578,
  "slug": "2578",
  "resource": "https://apiacre.com/v1/crypto/base-gas-estimate",
  "description": "Estimate gas for one Base mainnet transaction context at a resolved block, add a bounded caller-selected buffer, and preserve RPC rejection evidence without signing or broadcasting.",
  "type": "http",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0xa0BFa4f07281c9b248DC3AED2217836BcA24869B",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "4000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "payTo": "B4CHWQeQn7GDLZD2aW6hpGG2bEseisBFLZYECA3HDLan",
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "amount": "4000",
      "maxTimeoutSeconds": 300
    }
  ],
  "outputSchema": {
    "bazaar": {
      "info": {
        "input": {
          "body": {
            "block_tag": "safe",
            "buffer_percent": 20,
            "call_data": "0x70a082310000000000000000000000001111111111111111111111111111111111111111",
            "from_address": "0x1111111111111111111111111111111111111111",
            "to": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
            "value_wei": "0"
          },
          "bodyType": "json",
          "method": "POST",
          "type": "http"
        },
        "output": {
          "example": {
            "data": {
              "block": {
                "gasLimit": 120000000,
                "hash": "0x1111111111111111111111111111111111111111111111111111111111111111",
                "number": 34567890,
                "requestedTag": "safe",
                "timestamp": "2026-08-10T16:00:00+00:00"
              },
              "disclaimer": "Read-only Base mainnet gas estimation only. No transaction is created, signed...",
              "estimate": {
                "bufferPercent": 20,
                "gas": 24640,
                "gasHex": "0x6040",
                "suggestedGasLimit": 29568,
                "suggestedGasLimitHex": "0x7380"
              },
              "estimationAccepted": true,
              "limitations": [
                "The estimate is state-dependent and does not guarantee later execution.",
                "Base-fee components exclude priority fees, L1 data fees, and other fee compon...",
                "Only one existing destination is estimated; contract deployment is not suppor..."
              ],
              "network": "eip155:8453",
              "networkRequestsMade": 2,
              "readOnly": true,
              "rpcCallsMade": 2,
              "rpcError": null,
              "source": "https://docs.base.org/base-chain/api-reference/ethereum-json-rpc-api/eth_esti...",
              "status": "estimated",
              "transaction": {
                "dataBytes": 36,
                "dataSha256": "2da90680426443e99a57371fef89ebdb0cba7f941eda4e27491a3bd2069ef775",
                "from": "0x1111111111111111111111111111111111111111",
                "to": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
                "valueWei": "0"
              },
              "transactionBroadcast": false,
              "warnings": []
            },
            "meta": {
              "cached": false,
              "duration_ms": 42,
              "next_actions": [],
              "sources": [],
              "warnings": []
            },
            "request_id": "018f1f54-7f38-7ba2-8dc3-5f90272d9f1a",
            "service": "crypto.base-gas-estimate",
            "version": "1"
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "body": {
                "properties": {
                  "block_tag": {
                    "enum": [
                      "latest",
                      "safe",
                      "finalized"
                    ],
                    "type": "string"
                  },
                  "buffer_percent": {
                    "type": "integer"
                  },
                  "call_data": {
                    "type": "string"
                  },
                  "from_address": {
                    "type": "string"
                  },
                  "to": {
                    "type": "string"
                  },
                  "value_wei": {
                    "type": "string"
                  }
                },
                "required": [
                  "from_address",
                  "to"
                ],
                "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": {
                        "type": "object"
                      },
                      "disclaimer": {
                        "type": "string"
                      },
                      "estimate": {
                        "type": [
                          "object",
                          "null"
                        ]
                      },
                      "estimationAccepted": {
                        "type": "boolean"
                      },
                      "limitations": {
                        "items": {
                          "type": "string"
                        },
                        "type": "array"
                      },
                      "network": {
                        "type": "string"
                      },
                      "networkRequestsMade": {
                        "type": "integer"
                      },
                      "readOnly": {
                        "type": "boolean"
                      },
                      "rpcCallsMade": {
                        "type": "integer"
                      },
                      "rpcError": {
                        "type": [
                          "object",
                          "null"
                        ]
                      },
                      "source": {
                        "type": "string"
                      },
                      "status": {
                        "type": "string"
                      },
                      "transaction": {
                        "type": "object"
                      },
                      "transactionBroadcast": {
                        "type": "boolean"
                      },
                      "warnings": {
                        "items": {
                          "type": "string"
                        },
                        "type": "array"
                      }
                    },
                    "required": [
                      "network",
                      "status",
                      "estimationAccepted",
                      "transaction",
                      "block",
                      "estimate",
                      "rpcError",
                      "networkRequestsMade",
                      "rpcCallsMade",
                      "readOnly",
                      "transactionBroadcast",
                      "warnings",
                      "limitations",
                      "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": [
    "bazaar",
    "payment-identifier"
  ],
  "sourceHost": "apiacre.com",
  "lastUpdated": "2026-09-01T12:52:16.128Z",
  "quality": {
    "calls30d": 1,
    "uniquePayers30d": 1,
    "lastCalledAt": "2026-09-01T12:52:15.874Z"
  },
  "liveness": {},
  "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": "2026-09-18T22:00:31.484Z"
  }
}