67 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.
Returns a one-page research brief with cited source URLs, key findings and open gaps for a question. Call it when an agent needs a sourced answer instead of an unsourced guess. Input: {"question": "..."} (5-400 chars, an...
Search published research papers and articles across all publishers (Crossref): title, authors, journal, year, DOI, citation count and abstract, by relevance, date or citations. Use to find and cite sources.
Generate text embeddings and semantic embedding vectors using OpenAI text-embedding-3-small for vector search, semantic similarity, clustering, retrieval, and RAG workflows.
Breached password check: is this password in known data breaches, and how often? Send only the SHA-1 hash (never the password); just the first 5 characters reach Have I Been Pwned (k-anonymity). Up to 50 hashes per call.
OpenAI-compatible chat completion with Qwen3 30B (fast mixture-of-experts model): set the base URL to /v1/llm/qwen3-30b in any OpenAI SDK. Up to 32,000 characters in and 2,048 tokens out per call, a fixed price per call,...
Returns the page's readable text plus an Ed25519-signed record (final URL after redirects, fetch time, status, sha256 of the body and of the text) that verifies offline. Charged only for 2xx text pages; refused URLs cost...
Scholarly paper search across 150M+ Crossref records — Genesis402 / UnyKorn Operator Network
OpenAlex scholarly search: works with citations and open-access links — Genesis402 / UnyKorn Operator Network
One dated record row from the Receipts Index: what one AI engine answered for one check on one UTC date, as the businesses it named and the sources it showed. Returns the CSV header and one row; some fields are blank on...
Link triage for up to 25 URLs in one call: HTTP status, redirect chain (up to 4 hops), page title, and a verdict per URL (live, redirected, redirected_cross_domain, moved_to_homepage, dead, blocked, server_error, unreach...
Ask a question and get a written answer with the sources it was drawn from. Exa searches its index, reads the pages and composes the answer, returning the citation list (title, URL, published date) alongside it so every...
Normalize text, WebVTT, SRT, or timestamped segments into compact, citeable chunks for AI agents.
Use when an agent is about to give a user links or citations: send up to 10 URLs, and get back the status, redirect chain, final URL, title and hash of each, so a dead, moved or blocked link is caught first. A URL whose...
Use this when you need a fast cited answer, not deep research: one live web search, relevance-ranked sources, snippet-level digest with 3-6 cited key points in seconds. No API key, no signup — x402 per-call payment only....
Use this when you need a cited research brief on any topic: searches the live web, reads 3-6 sources, and returns a structured JSON brief — summary, key findings each linked to its source URL, confidence and caveats. No...
Signs a timestamped receipt for a file's sha256, proving it existed unchanged then. US$0.002 per call; POST the hash.
Short cited research answer for a query
Citation graph of a paper: the works it references (outgoing) and the works that cite it (incoming), each as normalized records, plus the Semantic Scholar influential-citation count. Give a doi, arxiv, pmid, openalex_id...
Quotation extraction: blockquotes, <q> elements and quoted passages (in “smart quotes” or straight quotes, 8+ words) from a page, with an attribution guess from the surrounding text. Quote mining for research and content...