Developer platform

Free APIs

A small collection of free, public APIs. Every one works with no key at all to start - anonymous calls are rate-limited by IP, and a free key raises your limits. Clean JSON, honest rate limits, no signup wall.

https://api.gargantuan.dev/v1Full API reference →

Available now

1 API

Dictionary API

Live

Every word in the English language: existence checks, autocomplete, random words, and (as scraped) full definitions.

language4 endpoints/v1/dictionary

Explore the API →