Stack Overflow Q&A Search x402 REST usage
Stack Overflow Q&A. Programming question and answer search with scores, accepted-answer flags, tags, and answer bodies via the Stack Exchange API.
15 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.
Stack Overflow Q&A. Programming question and answer search with scores, accepted-answer flags, tags, and answer bodies via the Stack Exchange API.
Ask a question about any public PDF and get a cited answer - pass a PDF URL and a plain-language question; returns the answer, confidence, verbatim supporting quotes with page numbers, or not_found. PDF question answerin...
Convert text into a 768-dimension embedding vector (nomic-embed-text) for semantic search, RAG retrieval, clustering, deduplication or similarity scoring. POST JSON {"input": string}, up to 3000 characters; returns {embe...
Ask a question about any public PDF and get a cited answer - pass a PDF URL and a plain-language question; returns the answer, confidence, verbatim supporting quotes with page numbers, or not_found. PDF question answerin...
Document Consistency Check: Find Contradictions — Reads one pasted document, such as a report, proposal, article, contract draft or spec, and lists every place where it contradicts itself, as strict JSON with both confli...
Playwright Test from Manual Steps — Turns manual test steps plus the page facts you have (route, labels, button names, messages) into one Playwright Test file in TypeScript that can really fail. Elements are found by rol...
Scores up to 20 product ideas or keywords against live demand: how many tools on the Apify Store already do it, monthly users of the top tools, the leader and its failure rate, tools that gained most users this month, x4...
Argentina official gazette (Boletin Oficial) keyword search returning literal excerpts of matching notices with dates and source URLs; an optional date limits the search to that day's notices. Use this when an agent need...
Answer a question from the live web with citations, no LLM so nothing is hallucinated: Google's featured snippet / knowledge panel when there is one, plus the best-matching quoted passages from the top pages read in full...
Check whether a list of URLs, or every link on a page, works: HTTP status, final URL after redirects and broken links first. Up to 50 URLs per call, checked in parallel.
Validate JSON data against a JSON Schema (drafts 4 to 2020-12, with format checks): valid flag and every error with its exact path and failing rule. Check API responses or LLM structured output.
Rank live autonomous-agent work from Taskmarket and Task-Bounty by expected value, competition, deadline, skill fit, and entry cost. Call before picking which task to attempt.
Off-network HTTP/2 + TLS 1.3 QA Watchdog verification sweep checking root HTML 200 OK, critical CSS/JS bundles, /llms.txt, /robots.txt, /sitemap.xml & TTFB with Ed25519 receipt ($0.10 USDC).
Status of the first 20 links on a page: each link's anchor text, final status code and whether it redirected, with ok/broken/redirected totals. Quick outbound-link health for editors and QA. $0.01 per page.
Broken link check: extracts the links on a page and HEAD-requests up to 30 of them (external first), reporting status per link and the list of broken (4xx/5xx/unreachable) ones. Content QA without a crawler. $0.01 per pa...