the402 endpoint detail

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amanchain-relay.gitajhd.workers.dev x402 aman-gas-price

https://amanchain-relay.gitajhd.workers.dev/api/x402/aman-gas-price

answers 402

EVM Gas Price: live gas price on Base and Ethereum in gwei + USD Executed deterministically by the AmanChain node against live consensus state (real blocks, pools, balances) — paid per call via x402, settled in USDC on Base. Input: JSON body {"serviceId":"aman-gas-price","request":"<input>"}. No account, no API key.

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.0012
Network
base
Pay to
0x215200bD7E6973aD2D2927bdd3e04a61531f5629
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
370 ms
Payment options
1 usable of 1
Last checked
2026-09-06T01:23:09.445Z (2h ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Famanchain-relay.gitajhd.workers.dev%2Fapi%2Fx402%2Faman-gas-price"