the402 endpoint detail

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gas.apitoll.cloud base gas

https://gas.apitoll.cloud/v1/base/gas

payable

Base gas oracle / gas price API for AI agents and bots — get the gas price for a transaction on Base in one x402 call. Real-time slow/standard/fast EIP-1559 fee tiers from a live eth_feeHistory call, returned as DROP-IN maxFeePerGas + maxPriorityFeePerGas in wei — plug straight into a viem/ethers transaction, no gwei conversion. Plus base fee, head block, and network fullness. Call it before every

We sent a real GET request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.001
Network
base
Pay to
0xcc69d619E6053F88A4845066518f465bD06Fc96c
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
468 ms
Payment options
1 usable of 1
Last checked
2026-08-10T09:08:36.756Z (1d ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fgas.apitoll.cloud%2Fv1%2Fbase%2Fgas"