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agent-commerce-factory-jm.austriaeast.cloudapp.azure.com onchain balance
https://agent-commerce-factory-jm.austriaeast.cloudapp.azure.com/v1/onchain/balance
answers 402
On-chain native coin balance for any wallet. Given a chain (ethereum, base, arbitrum, optimism, polygon, bsc) and a wallet address returns the native balance (ETH/MATIC/BNB) in both exact wei and human-readable decimal, with symbol and decimals. Read live from the chain via RPC. For wallet trackers, portfolio, treasury-monitoring and payment-verification agents.
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.002
- Network
- base
- Pay to
- 0xCe339395d7f2ea5a5009022EF1C392Fb208a989E
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 146 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-09-06T01:13:13.136Z (2h ago)
- Category
- finance-crypto
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fagent-commerce-factory-jm.austriaeast.cloudapp.azure.com%2Fv1%2Fonchain%2Fbalance"