Data & Analytics APIs

OpenAlex academic catalog — 250M+ works, authors, institutions, and citation graphs

GBIF global biodiversity data — species occurrences, taxonomy, and distribution maps

Open Library — search 40M+ books by title, author, ISBN with cover images

PubChem chemical compound database — structures, properties, bioactivities, and safety data

Word definitions, phonetics, synonyms, and usage examples.

Crossref DOI metadata — publication details, citations, funders, and references

USGS real-time earthquake data — events, magnitudes, locations, and shakemaps

Wikipedia REST API — article summaries, content, media, and page metadata

EPA ECHO environmental compliance data — facility inspections, violations, and enforcement

EU Open Data Portal — search 1.7M+ datasets from European institutions and member states

European Parliament open data — MEPs, committees, votes, and legislative documents

FBI most wanted fugitives, missing persons, and case details.

Wikidata knowledge graph — structured data on 100M+ entities with SPARQL and REST API

Dutch Parliament (Tweede Kamer) open data — members, motions, votes, and debates

CBS Netherlands statistics — demographics, economy, trade, and social data via OData

Dutch vehicle registration, recalls, and inspection data.

arXiv preprint repository — search and retrieve academic preprints in physics, CS, math, and more

UniProt protein database — sequences, functions, structures, and annotations

Semantic Scholar — AI-powered academic paper search with citation context and influence scores

UK Office for National Statistics — GDP, inflation, employment, and economic datasets

Search universities worldwide by name and country.

US Census Bureau geocoder — address to census tract, block, and FIPS codes

USPTO patent data — search patents, assignments, and trademark status

USGS real-time water data — stream levels, discharge, temperature at monitoring stations

Daily, weekly and monthly horoscopes for all 12 zodiac signs. Covers love, career, finance, health and more. Based on as...

US employment, wages, CPI, PPI, and productivity statistics from Bureau of Labor Statistics

US energy data: oil, gas, coal, electricity, nuclear, renewables pricing and production

800K+ macroeconomic time series from the Federal Reserve: GDP, CPI, interest rates, money supply, housing, employment

300K+ foods with calorie, macro, vitamin, and mineral data from USDA