Fun and games

Cards, jokes, trivia, dog photos and Pokémon

Fun APIs give your app or game something to play with: shuffled decks of cards, jokes, trivia questions, dog photos and Pokémon data. They are popular for learning to call an API, demos and side projects, and most need no key.

Compare the fun and game APIs

ServiceAPI keyFormatsFree use
Deck of Cards API Not needed JSON Free, no key needed.
Dog CEO Dog API Not needed JSON Free and open source, no key needed.
JokeAPI Not needed JSON, XML Free, no key needed, with a limit of about 120 requests per minute.
Open Trivia Database Not needed JSON Free, no key needed; the questions are licensed under Creative Commons BY-SA.
PokéAPI Not needed JSON Free and open source, no key needed.

Questions

Which free fun and game APIs work without an API key?

Deck of Cards API, Dog CEO Dog API, JokeAPI, Open Trivia Database and PokéAPI work without a key, according to their documentation. Most keyless services ask you to keep the number of requests reasonable, and some ask for a User-Agent that names your app.

Are these fun and game APIs really free?

The services here can be used without paying, at least on a free plan or free tier, often with limits such as a number of requests per day or non-commercial use only. The table above quotes what each service says about its free use; check the provider's own terms before you rely on it.

How up to date is this list?

The address of every service is checked about once a week, and services that stop working or stop being free are removed. This list last changed on November 8th, 2026.