the402 endpoint detail

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x402tap.com api rpc

https://x402tap.com/api/rpc

answers 402

Safelisted read-only JSON-RPC proxy across major EVM chains (base, ethereum, polygon, arbitrum, optimism) — eth_call, eth_getBalance, eth_getTransactionReceipt, eth_getBlockByNumber, and more

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
0xB810B599bc730Aa85800BABe7f5d160524322C86
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
192 ms
Payment options
4 usable of 4
Last checked
2026-09-06T01:13:28.708Z (22d ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fx402tap.com%2Fapi%2Frpc"