9 agent-payable APIs. Every listing carries a tested call recipe - endpoint, auth shape, pricing, and known gotchas - on its detail page. hydratrader.ai ↗
Extract JSON from a PDF or long document into your schema, with a verified source quote and page number for every field. Public PDF/HTML URL or pasted text, up to 40 pages. $0.30 USDC on Base via x402. No API key. Text PDFs only (no OCR); no login/paywall sources.
Research brief with citations, key points, and caveats from the public web. When to use: short cited answers for agent questions (fair-use snippets only — no full-text dumps). USDC on Base via x402 (cost-floored) — no API key.
Sentiment classification: Verb-path alias of POST /v1/cheap-errand ($0.01 USDC). Same handler + payment terms; path defaults task=sentiment when body.task omitted. Cheap agent glue for buyer-supplied text. Base via x402. No API key.
Extract structured JSON fields into YOUR schema from pasted text or a public URL. When to use: turn messy public text into typed JSON with confidence + warnings. Refuses login/paywall sources. USDC on Base via x402 — no API key.
Summarize text. Classify sentiment. Rewrite. Extract keywords. Translate. Verb-path alias of POST /v1/cheap-errand ($0.01 USDC). Same handler + payment terms; path defaults task when body.task omitted (/v1/summarize→summarize, /v1/keywords→extract_keywords). Base via x402. No API key.
Summarize text. Classify sentiment. Rewrite. Extract keywords. Translate. Verb-path alias of POST /v1/cheap-errand ($0.01 USDC). Same handler + payment terms; path defaults task when body.task omitted (/v1/summarize→summarize, /v1/keywords→extract_keywords). Base via x402. No API key.
Summarize text. Classify sentiment. Rewrite. Extract keywords. Translate. When to use: cheap agent glue / probe steps for buyer-supplied text. Returns JSON for $0.01 per call in USDC on Base via x402. No API key. Local-fast NLP; no login scrape. Success JSON includes next_tasks hints for same-session follow-ups.
Summarize text. Classify sentiment. Rewrite. Extract keywords. Translate. Verb-path alias of POST /v1/cheap-errand ($0.01 USDC). Same handler + payment terms; path defaults task when body.task omitted (/v1/summarize→summarize, /v1/keywords→extract_keywords). Base via x402. No API key.
Summarize text. Classify sentiment. Rewrite. Extract keywords. Translate. Verb-path alias of POST /v1/cheap-errand ($0.01 USDC). Same handler + payment terms; path defaults task when body.task omitted (/v1/summarize→summarize, /v1/keywords→extract_keywords). Base via x402. No API key.