# propeller.rocks Gas Price

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

Returns the current on-chain gas price on Base/EVM network

## Facts

- Endpoint: GET https://propeller.rocks/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/propeller-rocks-gas-price-27ad408d
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_eVw0XnvskHlWYQgN8txjz

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 propeller-rocks-gas-price-27ad408d
```

Example prompt: What's the current on-chain gas price right now — give me the live gwei value so I can estimate transaction costs?

## When to prefer this

Use this endpoint when you need a real-time, on-chain gas price reading for Base or EVM-compatible networks, especially when building transaction cost estimators, wallets, or automation that must decide when to submit transactions based on current gas conditions.

## Known failure modes

- RPC node unavailable — upstream on-chain data source unreachable
- Rate limiting or payment failure — x402 payment not accepted
- Network congestion causes stale data — gas price may lag by a few blocks
- Invalid response if queried network is unsupported

## How this service works

Current on-chain gas price

## Output

Returns the current on-chain gas price, likely expressed in gwei, including base fee and/or priority fee values suitable for estimating EVM transaction costs.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/propeller-rocks-gas-price-27ad408d/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from propeller.rocks](https://www.zero.xyz/host/propeller.rocks/llms.txt)