api.onesource.io
ERC1155 token balance via balanceOf (eth_call) - how many copies of a token_id a wallet holds
Go to this service →Our latest check (2026-10-11)
- Answering
- Yes — valid x402 payment terms
- Time to answer
- 384 ms
- Price
- $0.003 per call
- Paying buyers, last 30 days
- 156 (directory's own records)
- Paid calls, last 30 days
- 156
- Category
- Blockchain reads
- Address
- https://api.onesource.io/api/chain/erc1155-balance
Accuracy
Accuracy scores are published once a seller has enough paid checks against an independent record (at least 7 scored answers over at least 7 days). Until then no score is shown, and a missing score is never a pass.
For agents
This page as JSON: /sellers/93a777f03404.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).