205 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.
Live crypto prices: USD spot for BTC, ETH and SOL in one call, fetched per call (not cached), so the figure is the number right now. A cheap, high-frequency data lane for x402 buyers budgeting in the unit they pay with....
Look up a product barcode number: identify and validate EAN-13, EAN-8, UPC-A, UPC-E, GTIN-14, ISBN-13/10, ISSN and ISMN codes (wrong check digits are reported with the correct digit), convert between forms (GTIN-14, EAN-...
Search arXiv preprints (AI, physics, math, CS, quant finance...) by keywords or field query: title, authors, abstract, categories, dates and PDF link, by relevance or newest. Use for literature review or tracking new res...
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.
Keyless multi-chain JSON-RPC reads, Base + Ethereum, from $0.001 (?chain=ethereum)
Scholarly paper search across 150M+ Crossref records — Genesis402 / UnyKorn Operator Network
arXiv paper search: titles, authors, abstracts, PDF links — Genesis402 / UnyKorn Operator Network
OpenAlex scholarly search: works with citations and open-access links — Genesis402 / UnyKorn Operator Network
Offline validator for a Romanian CUI (company tax ID). Strips an optional 'RO' prefix, applies weights 7-5-3-2-1-7-3-2 to the digits preceding the check digit (right-to-left), sums the weighted products, multiplies by 10...
Extract webpage metadata for agent research and URL triage: title, description, canonical URL, Open Graph, and Twitter metadata from a public page.
Example premium technology research report
Normalized scholarly metadata + abstract + full rights/attribution for one open-licensed document
Use when an agent needs fresh web results for a question. Send a plain query and get up to 10 ranked results with title, URL, publish date and a short excerpt, ready to cite. Fast, no account and no API key on your side;...