the402 endpoint detail

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api.onesource.io chain network-info

https://api.onesource.io/api/chain/network-info

payable

EVM network info - chain ID, block height, gas price, chain head age, and chain characteristics in one batched RPC call (eth_chainId + eth_blockNumber + eth_gasPrice + latest block header)

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
0x52E29e0d2Aa49bfBfC548C0A9F2196F4aa51f3ea
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
GET
Response latency
242 ms
Payment options
2 usable of 2
Last checked
2026-08-10T09:08:33.077Z (1d ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.onesource.io%2Fapi%2Fchain%2Fnetwork-info"