information-retrieval

List comments on an Instagram post or Reel by URL.

Get the transcript for a Facebook post or Reel by URL.

Search Crossref scholarly metadata across journals, conferences, and books by query, no key. Returns matching works with DOI, title, authors, and publication. For AI agents resolving citations and enriching bibliographies.

Query the openFDA drug adverse events dataset by search expression, no key, US FDA public data. Returns matching records with structured fields. For AI agents in pharma, health, and safety research.

Search Crossref for academic journals by title or keyword, no key. Returns journals with title, publisher, ISSN, and article counts. For AI agents discovering venues and validating journal identifiers.

Query the openFDA drug recalls dataset by search expression, no key, US FDA public data. Returns matching records with structured fields. For AI agents in pharma, health, and safety research.

Search ClinicalTrials.gov studies by term via the official v2 API, no key. Returns matching studies with NCT id, title, status, and conditions. For AI agents in clinical research, pharma intelligence, and patient matching.

Resolve a postal code to its place names, state, and coordinates via Zippopotam, no key. Returns places with city, state, latitude, and longitude. For AI agents validating addresses and enriching postal codes.

Geocode a place name to coordinates via the Open-Meteo geocoding service, no key. Returns ranked matches with latitude, longitude, country, admin region, and population. For AI agents turning place names into coordinates for downstream lookups.

Concise summary of an English Wikipedia article by title via the REST API, no key. Returns the extract, description, thumbnail, and canonical URL. For AI agents grounding answers and enriching entities with encyclopedic context.

Search the OpenAlex open scholarly graph for authors by keyword, no key. Returns ranked matches with identifiers and metadata. For AI agents doing literature review, research enrichment, and citation analysis.

Searches a locally harvested metadata-only index of public scientific assets from free/open APIs. Returns curated pointers, licenses, provenance, freshness hashes, and source metadata without downloading or reselling the underlying open datasets, model weights, papers, or repositories.

Look up official Legal Entity Identifier records by LEI or legal name through the live GLEIF API.

Fetch a public HTTP(S) page with private-network blocking and extract its title, description, Open Graph image, status, and content type.

Screen a party name against the current official U.S. Treasury OFAC SDN primary-name list and return transparent potential matches.

Resolve current DNS records and fetch public RDAP registration metadata for a domain.

Fetch public IP network, ASN, organization, location, and timezone context. This does not claim an abuse or threat score.

Resolves an ENS name into its addresses, text records, and content hash, with batch support up to 50 names and per-name chain scoping via interop addresses.

Look up a country by name, ISO code, or calling code. Returns ISO codes, official name, capital, region, subregion, and calling codes.

Generates concise summaries or briefings on requested topics.

Recover who signed a message (ecrecover, EIP-191 personal_sign). For EIP-712 typed data use POST /verify/sig. Every answer signed.

Provide a published slug from GET /v1/logs. Receive JSON with the complete Markdown record of our direct provider attempts, chronological blockers, impact, workarounds, outcomes, and the last-update time.

Search posts within one subreddit (not site-wide — use reddit.search.list for that).

Exact structured diff. mode=text -> unified diff + line counts; mode=json -> an RFC 6902 JSON Patch (RFC 6901 pointers) that round-trips a->b; mode=words -> inline word-level opcodes. For large inputs use POST. Every answer signed. Free sample, no payment required: GET /play/diff