{"name":"ToolMint eCFR Section","tool":"ecfr-section-json","version":"0.1.0","description":"Code of Federal Regulations sections and their change history as clean agent JSON (eCFR + Federal Register APIs). No API key.","pricing":{"section":{"priceUsd":0.005,"price":"$0.005"},"history":{"priceUsd":0.01,"price":"$0.01"},"asset":"USDC","network":"eip155:8453","networkName":"Base mainnet","payTo":"0xfbF7413bcB3a604936775C96FDbe0b0C9c9E37F5","scheme":"exact"},"facilitator":{"choice":"payai","url":"https://facilitator.payai.network","needsApiKey":false,"notes":"PayAI public facilitator — Base mainnet exact USDC without an API key for the free credit tier (1,000). Optional PAYAI_API_KEY_ID/SECRET later to scale. x402.org facilitator is testnet-only; do not use for mainnet."},"endpoints":{"free":[{"method":"GET","path":"/","description":"This catalog"},{"method":"GET","path":"/health","description":"Liveness"},{"method":"GET","path":"/.well-known/x402","description":"x402 discovery metadata"},{"method":"GET","path":"/openapi.json","description":"OpenAPI 3.1"}],"paid":[{"method":"GET","path":"/section?cite=24+CFR+982.503","description":"One Code of Federal Regulations section as clean agent JSON (eCFR): heading, hierarchy, paragraphs with (a)/(1) labels, tables as rows, source note with Federal Register citations, point-in-time text for any date since 2017. Example: cite=24 CFR 982.503","price":"$0.005"},{"method":"GET","path":"/history?cite=24+CFR+982.503&since=2020-01-01","description":"Change history of one CFR section: every eCFR version (date, substantive or not, removed), 'changed since date X', and the Federal Register rules that amended it (matched by part + effective/publication date, flagged when the section's source note cites them). Example: cite=24 CFR 982.503&since=2020-01-01","price":"$0.01"}]},"noCharge":"Bad input → 400 before payment. Unknown/removed section → 404, eCFR down → 502, payment init down → 503; none are settled.","source":"www.ecfr.gov/api (eCFR developer API) + www.federalregister.gov/api/v1","notice":"eCFR is an editorially compiled, authoritative but unofficial edition of the Code of Federal Regulations, kept current by the Office of the Federal Register (NARA/GPO). It is not an official legal edition of the CFR. Text is US government work (public domain). Not legal advice; confirm against the official CFR / Federal Register before relying on it. ToolMint is not affiliated with NARA, GPO or OFR.","contact":"toolmint.dev@gmail.com","x402":true}