# entropy.rip EVM Gas Price Estimator

> entropy.rip EVM Gas Price Estimator is a paid API for AI agents from entropy.rip, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-14).

Fetch live gas price estimations and base fees for EVM-compatible blockchains (Base or Ethereum)

## Facts

- Endpoint: GET https://entropy.rip/api/financial/gas
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/entropy-rip-evm-gas-price-estimator-38cd879a
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_DlXOwkMCZvLLuUZO9ZLSd

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability entropy-rip-evm-gas-price-estimator-38cd879a
```

Example prompt: What are the current gas prices on Ethereum right now? I want to know if it's a good time to submit a transaction.

## When to prefer this

Use this endpoint when an AI agent needs current gas price data for Base or Ethereum before executing or recommending on-chain transactions. Prefer it over generic blockchain explorers when you need a single lightweight, pay-per-call API with no API key setup — particularly useful for autonomous agents operating with x402 micropayment flows.

## Known failure modes

- Unsupported chain value returns a validation error — only 'base' and 'ethereum' are accepted enum values
- Missing or malformed query parameters may return a 400-level error
- Upstream node or RPC connectivity issues may cause stale or unavailable data
- Payment failure (x402) blocks access if the $0.01 USDC per-call fee is not satisfied

## How this service works

Fetch live gas price estimations and base fees for EVM chains

## Output

Returns live gas price estimations and base fee data for the specified EVM chain (Base or Ethereum), enabling agents to assess transaction costs before submitting on-chain operations.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http",
     "description": "type"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string",
     "description": "method"
    },
    "queryParams": {
     "type": "object",
     "properties": {
      "chain": {
       "enum": [
        "base",
        "ethereum"
       ],
       "type": "string",
       "description": "Target blockchain network"
      }
     },
     "description": "queryParams"
    }
   },
   "description": "input",
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string",
     "description": "type"
    },
    "example": {
     "type": "object",
     "description": "example"
    }
   },
   "description": "output"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "chain": "base",
  "timestamp": "2026-07-15T13:30:00Z",
  "base_fee_gwei": 0.05,
  "gas_price_wei": "1000000000",
  "gas_price_gwei": 1,
  "priority_fee_gwei": 0.95
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/entropy-rip-evm-gas-price-estimator-38cd879a/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from entropy.rip](https://www.zero.xyz/host/entropy.rip/llms.txt)