Toll402
Answer from TRUSTED sources only (Wikipedia, Wikidata, arXiv, Crossref/DOI, World Bank): returns passages with URL, reliability tier and retrieval time for citation. With synthesize=true you also get an LLM answer that cites the passages an
Go to this service →Our latest check (2026-10-11)
- Answering
- Yes — valid x402 payment terms
- Time to answer
- 168 ms
- Price
- $0.010 per call
- Paying buyers, last 30 days
- 1 (directory's own records)
- Paid calls, last 30 days
- 3
- Category
- AI model answers
- Address
- https://toll402.dev/v1/lookup
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/8a77d44d9887.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).