Data APIs

Free global development data — countries, regions and thousands of indicators like GDP, population and life expectancy.

The complete Pokémon dataset — Pokémon, species, types, abilities, moves and evolution chains, no key required.

Random cat facts and breed data as clean JSON — no key required.

Open dog images by breed and sub-breed — random images and full breed catalog. No key.

Random pieces of advice, lookup by id and keyword search — clean JSON, no key.

Predict the age of a person from their first name — instant JSON, no key.

Predict the gender of a person from their first name with a probability score — no key.

Predict the likely nationality of a person from their first name — ranked probabilities, no key.

Search millions of books — titles, authors, works and editions by ISBN. No key required.

Public holidays for 100+ countries by year — plus upcoming holidays. No key required.

Thousands of verified trivia questions across many categories and difficulties — no key.

The chucknorris.io joke database — random jokes, categories and full-text search. No key.

Simple setup/punchline jokes — random, batches of ten and by type. No key required.

Random trivia facts and a fact-of-the-day, in English or German. No key required.

Search Hacker News stories, comments and users via the Algolia-powered API. No key required.