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api.x402node.dev chain multi-gas
https://api.x402node.dev/chain/multi-gas
payable
Current gas price across Ethereum, Base, Arbitrum, Optimism and Polygon in one call, returns gwei gas price and latest base fee per chain. multichain gas price, gas fee comparison, gwei, l2 gas tracker, cheapest chain for transaction Accepts payment on Base or Solana — either network works.
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.006
- Network
- base
- Pay to
- 0x4466d4A84b7c49a6A094ec6eef4a0712D6dd125e
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 43 ms
- Payment options
- 2 usable of 2
- Last checked
- 2026-08-10T09:18:21.572Z (1d ago)
- Category
- finance-crypto
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.x402node.dev%2Fchain%2Fmulti-gas"