the402 endpoint detail

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anywaypossible.com api base-balance

https://anywaypossible.com/api/base-balance

answers 402

Live Base wallet balance for AI agents. Returns native ETH and Circle USDC balances, atomic values, block height, contract address, and observation time for any EVM address. Includes a machine-readable upgrade path to treasury readiness for spend, gas-reserve, and wallet-health decisions. No API key.

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.001
Network
base
Pay to
0xe5690D37805107C56f6195E65A262b234E0E5e75
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
447 ms
Payment options
1 usable of 1
Last checked
2026-09-06T01:12:03.537Z (19d ago)
Category
finance-crypto

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