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x402-seller.onrender.com chain balance
https://x402-seller.onrender.com/chain/balance
answers 402
Check a wallet's live balance on Base mainnet: native ETH (e.g. to confirm it has enough for gas) plus an optional ERC20 token balance (e.g. USDC) when a token contract address is supplied. Sourced from Base's official public RPC.
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.01
- Network
- base
- Pay to
- 0xbd61dfb01f81c91f02b0ccd51b0220e0c8918639
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 232 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-08-15T14:24:56.472Z (2d ago)
- Category
- finance-crypto
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fx402-seller.onrender.com%2Fchain%2Fbalance"