Api Endpoint

AgentsToolsHub

Calculate a transaction's gas fee: gas units × gas price (gwei) gives the ETH cost, multiplied by the ETH price for USD. Exact BigInt math for the wei amounts. Use this when an agent needs to transaction cost in ETH and USD from gas × gwei.

Open interactive test console

Offering

Provider: agentstoolshub.com
Method: GET
Offering type: Api Endpoint
Transport type: http
Category: Blockchain And Crypto
Delivery: Not provided
Pricing model: Not provided
x402 version: 2

Endpoint context

URL: https://agentstoolshub.com/api/v1/crypto/gas-fee-calculator
MIME type: Not provided
First seen: 2026-10-16T01:50:32.458Z
Last seen: 2026-10-26T21:42:49.210Z
Tags: Crypto, crypto-dev

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1: 0.01 USDC
Atomic price: 10000 · Network: eip155:8453 · Asset: USDC · Scheme: exact

Raw x402 terms

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "10000",
    "payTo": "0x8a0F2b0a6C82D1c54B16E2e4DEcd18fF0802b0f6"
  }
]

Observed health

Status: Degraded
Latest latency: 35 ms
Average latency: 41 ms
HTTP status: 503
Last checked: 2026-11-02T03:45:51.937Z
Reachability: 100% over 13 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "method": "GET",
  "queryParams": {
    "ethPriceUsd": 3000,
    "gasUnits": 21000,
    "gweiPrice": 10
  },
  "type": "http"
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "method": {
          "enum": [
            "GET"
          ],
          "type": "string"
        },
        "queryParams": {
          "properties": {
            "ethPriceUsd": {
              "description": "ETH price (USD)",
              "type": "number"
            },
            "gasUnits": {
              "description": "Gas units",
              "type": "number"
            },
            "gweiPrice": {
              "description": "Gas price (gwei)",
              "type": "number"
            }
          },
          "required": [
            "gasUnits",
            "gweiPrice",
            "ethPriceUsd"
          ],
          "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"
}