{
  "x402Version": 2,
  "id": 29582,
  "slug": "29582",
  "resource": "https://netintel.dev/gas/price",
  "description": "Live gas prices across Base, Ethereum, Arbitrum, Optimism, and Polygon with USD cost estimates for a transfer, an ERC-20 send, and a swap — keyless, one call, all chains. Per chain: gas price + EIP-1559 base/priority fee in gwei, native-token USD price, 15s cache. L2 figures are execution-gas only (L1 data fee excluded, flagged in findings).",
  "type": "http",
  "serviceName": "NetIntel",
  "resourceType": "Market Data",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0xdaDc335482AD545296Fd7b28518A251fFCbEb9Df",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "2000",
      "amountUsd": 0.002,
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "payTo": "8FVeybWnB4dYrxTuPK7WzFZNAiEcFVaDLFnKpRwVGr5s",
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "amount": "2000",
      "amountUsd": 0.002,
      "maxTimeoutSeconds": 300
    }
  ],
  "outputSchema": {
    "properties": {
      "example": {
        "properties": {
          "chains": {
            "additionalProperties": {
              "properties": {
                "base_fee_gwei": {
                  "type": [
                    "number",
                    "null"
                  ]
                },
                "cache_age_seconds": {
                  "type": "number"
                },
                "gas_price_gwei": {
                  "type": [
                    "number",
                    "null"
                  ]
                },
                "native_token": {
                  "type": "string"
                },
                "native_usd": {
                  "type": [
                    "number",
                    "null"
                  ]
                },
                "priority_fee_gwei": {
                  "type": [
                    "number",
                    "null"
                  ]
                },
                "source": {
                  "type": "string"
                },
                "usd_estimates": {
                  "properties": {
                    "erc20_transfer": {
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "swap": {
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "transfer": {
                      "type": [
                        "number",
                        "null"
                      ]
                    }
                  },
                  "type": "object"
                }
              },
              "type": [
                "object",
                "null"
              ]
            },
            "type": "object"
          },
          "findings": {
            "type": "array"
          },
          "stale": {
            "type": "boolean"
          }
        },
        "type": "object"
      },
      "type": {
        "type": "string"
      }
    },
    "required": [
      "type"
    ],
    "type": "object"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "method": "GET",
          "queryParams": {
            "chains": "base,ethereum"
          },
          "type": "http"
        },
        "output": {
          "example": {
            "chains": {
              "base": {
                "base_fee_gwei": 0.005,
                "cache_age_seconds": 0,
                "gas_price_gwei": 0.006,
                "native_token": "ETH",
                "native_usd": 1829.645,
                "priority_fee_gwei": 0.001,
                "source": "https://mainnet.base.org",
                "usd_estimates": {
                  "erc20_transfer": 0.000713562,
                  "swap": 0.00219557,
                  "transfer": 0.000230535
                }
              },
              "ethereum": {
                "base_fee_gwei": 0.120496247,
                "cache_age_seconds": 0,
                "gas_price_gwei": 0.119926866,
                "native_token": "ETH",
                "native_usd": 1829.645,
                "priority_fee_gwei": 0.1,
                "source": "https://ethereum-rpc.publicnode.com",
                "usd_estimates": {
                  "erc20_transfer": 0.0142625,
                  "swap": 0.0438847,
                  "transfer": 0.0046079
                }
              }
            },
            "findings": [
              {
                "detail": "base estimates are execution-gas only and exclude the L1 data fee",
                "rule": "l2_data_fee_excluded"
              }
            ],
            "stale": false
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "properties": {
                  "chains": {
                    "description": "Comma list from base, ethereum, arbitrum, optimism, polygon; omit for all 5. Aliases: chain, network, networks; eth/arb/op/matic/pol accepted",
                    "type": "string"
                  }
                },
                "type": "object"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "properties": {
                  "chains": {
                    "additionalProperties": {
                      "properties": {
                        "base_fee_gwei": {
                          "type": [
                            "number",
                            "null"
                          ]
                        },
                        "cache_age_seconds": {
                          "type": "number"
                        },
                        "gas_price_gwei": {
                          "type": [
                            "number",
                            "null"
                          ]
                        },
                        "native_token": {
                          "type": "string"
                        },
                        "native_usd": {
                          "type": [
                            "number",
                            "null"
                          ]
                        },
                        "priority_fee_gwei": {
                          "type": [
                            "number",
                            "null"
                          ]
                        },
                        "source": {
                          "type": "string"
                        },
                        "usd_estimates": {
                          "properties": {
                            "erc20_transfer": {
                              "type": [
                                "number",
                                "null"
                              ]
                            },
                            "swap": {
                              "type": [
                                "number",
                                "null"
                              ]
                            },
                            "transfer": {
                              "type": [
                                "number",
                                "null"
                              ]
                            }
                          },
                          "type": "object"
                        }
                      },
                      "type": [
                        "object",
                        "null"
                      ]
                    },
                    "type": "object"
                  },
                  "findings": {
                    "type": "array"
                  },
                  "stale": {
                    "type": "boolean"
                  }
                },
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "gas price",
    "gas fees",
    "transaction cost",
    "base gas",
    "ethereum gas",
    "bazaar"
  ],
  "sourceHost": "netintel.dev",
  "lastUpdated": "2026-10-08T06:07:38.748Z",
  "quality": {
    "calls30d": 2,
    "uniquePayers30d": 2,
    "lastCalledAt": "2026-10-08T06:07:38.562Z"
  },
  "metadata": {
    "serviceName": "NetIntel",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "chains": "base,ethereum"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "chains": {
                "base": {
                  "base_fee_gwei": 0.005,
                  "cache_age_seconds": 0,
                  "gas_price_gwei": 0.006,
                  "native_token": "ETH",
                  "native_usd": 1829.645,
                  "priority_fee_gwei": 0.001,
                  "source": "https://mainnet.base.org",
                  "usd_estimates": {
                    "erc20_transfer": 0.000713562,
                    "swap": 0.00219557,
                    "transfer": 0.000230535
                  }
                },
                "ethereum": {
                  "base_fee_gwei": 0.120496247,
                  "cache_age_seconds": 0,
                  "gas_price_gwei": 0.119926866,
                  "native_token": "ETH",
                  "native_usd": 1829.645,
                  "priority_fee_gwei": 0.1,
                  "source": "https://ethereum-rpc.publicnode.com",
                  "usd_estimates": {
                    "erc20_transfer": 0.0142625,
                    "swap": 0.0438847,
                    "transfer": 0.0046079
                  }
                }
              },
              "findings": [
                {
                  "detail": "base estimates are execution-gas only and exclude the L1 data fee",
                  "rule": "l2_data_fee_excluded"
                }
              ],
              "stale": false
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "chains": {
                      "description": "Comma list from base, ethereum, arbitrum, optimism, polygon; omit for all 5. Aliases: chain, network, networks; eth/arb/op/matic/pol accepted",
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "chains": {
                      "additionalProperties": {
                        "properties": {
                          "base_fee_gwei": {
                            "type": [
                              "number",
                              "null"
                            ]
                          },
                          "cache_age_seconds": {
                            "type": "number"
                          },
                          "gas_price_gwei": {
                            "type": [
                              "number",
                              "null"
                            ]
                          },
                          "native_token": {
                            "type": "string"
                          },
                          "native_usd": {
                            "type": [
                              "number",
                              "null"
                            ]
                          },
                          "priority_fee_gwei": {
                            "type": [
                              "number",
                              "null"
                            ]
                          },
                          "source": {
                            "type": "string"
                          },
                          "usd_estimates": {
                            "properties": {
                              "erc20_transfer": {
                                "type": [
                                  "number",
                                  "null"
                                ]
                              },
                              "swap": {
                                "type": [
                                  "number",
                                  "null"
                                ]
                              },
                              "transfer": {
                                "type": [
                                  "number",
                                  "null"
                                ]
                              }
                            },
                            "type": "object"
                          }
                        },
                        "type": [
                          "object",
                          "null"
                        ]
                      },
                      "type": "object"
                    },
                    "findings": {
                      "type": "array"
                    },
                    "stale": {
                      "type": "boolean"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    }
  },
  "liveness": {
    "reliability": null
  },
  "verified": false,
  "featured": false,
  "provider": {
    "host": "netintel.dev",
    "manifest_name": "netintel.dev",
    "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": {
    "chains": {
      "base": {
        "base_fee_gwei": 0.005,
        "cache_age_seconds": 0,
        "gas_price_gwei": 0.006,
        "native_token": "ETH",
        "native_usd": 1829.645,
        "priority_fee_gwei": 0.001,
        "source": "https://mainnet.base.org",
        "usd_estimates": {
          "erc20_transfer": 0.000713562,
          "swap": 0.00219557,
          "transfer": 0.000230535
        }
      },
      "ethereum": {
        "base_fee_gwei": 0.120496247,
        "cache_age_seconds": 0,
        "gas_price_gwei": 0.119926866,
        "native_token": "ETH",
        "native_usd": 1829.645,
        "priority_fee_gwei": 0.1,
        "source": "https://ethereum-rpc.publicnode.com",
        "usd_estimates": {
          "erc20_transfer": 0.0142625,
          "swap": 0.0438847,
          "transfer": 0.0046079
        }
      }
    },
    "findings": [
      {
        "detail": "base estimates are execution-gas only and exclude the L1 data fee",
        "rule": "l2_data_fee_excluded"
      }
    ],
    "stale": false
  }
}