{"service":"cited-brief","version":"1.1.0","description":"Pay-per-call web research tools for AI agents, paid in USDC over x402. No account or API key.","network":"eip155:8453","payment":"x402 v2 (USDC). Call any endpoint without payment to get the exact terms in the PAYMENT-REQUIRED header.","endpoints":[{"method":"POST","path":"/brief","price":"$0.10","description":"Answers a question from 1-5 web pages you name. Every claim comes with a verbatim quote that is re-checked on the live page; claims that fail are dropped, and if none pass you are not charged.","example_input":{"question":"What does the Pro plan cost per user per month, billed yearly?","urls":["https://example.com/pricing"]}},{"method":"POST","path":"/check-quote","price":"$0.01","description":"Checks whether 1-10 quotes really appear on a web page (ignoring case, spacing, and quote or dash styles) and returns the surrounding text. Use it to catch made-up citations. No AI involved; if the page can't be read you are not charged.","example_input":{"url":"https://example.com/pricing","quotes":["Pro costs $10 per user/month when billed annually"]}},{"method":"POST","path":"/page-text","price":"$0.01","description":"Fetches a public web page and returns its title and readable text, without scripts, styles or markup (up to 100,000 characters). If the page can't be read you are not charged.","example_input":{"url":"https://example.com/pricing","max_chars":5000}}],"mcp":{"url":"https://cited-brief.cited-brief.workers.dev/mcp","transport":"streamable-http","tools":["cited_brief","check_quote","page_text"],"payment":"x402 in _meta[\"x402/payment\"]"},"docs":{"llms_txt":"https://cited-brief.cited-brief.workers.dev/llms.txt","openapi":"https://cited-brief.cited-brief.workers.dev/openapi.json"},"data_handling":"For /brief, your question and the page text are sent to Google's Gemini API to write the answer. This service stores no requests or answers.","ready":true}