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x402.donnyautomation.com gas
https://x402.donnyautomation.com/gas
payable
Live gas prices across BNB Chain, Polygon, Arbitrum, Base, Avalanche and Optimism, converted to USD and sorted cheapest-first. Returns gas price in gwei, base fee, and the actual USD cost of a transfer, an ERC-20 transfer and a swap on each chain. Gwei is NOT comparable across chains because the gas token differs in price; pricing in USD is the only ranking that answers where a transaction really
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.003
- Network
- base
- Pay to
- 0x2740651e046c59aB2A6510401140643292d3a96F
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 85 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-08-10T09:16:00.639Z (3d ago)
- Category
- finance-crypto
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fx402.donnyautomation.com%2Fgas"