Pyfile x402 API
ERC-20 balanceOf(token, owner) on base|polygon|arbitrum|optimism; raw base-units always, human value when decimals given. ?chain=base&token=0x..&address=0x..&decimals=6
Go to this service →Our latest check (2026-10-11)
- Answering
- Yes — valid x402 payment terms
- Time to answer
- 268 ms
- Price
- $0.003 per call
- Paying buyers, last 30 days
- 1 (directory's own records)
- Paid calls, last 30 days
- 1
- Category
- Blockchain reads
- Address
- https://pyfile-agent.taile3ff35.ts.net/data/chain/erc20-balance
Accuracy: paid answers checked against an independent record
Not yet in our paid checks. A seller we have not checked has neither passed nor failed.
For agents
This page as JSON: /sellers/4d2b4598c875.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).