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Free APIs

Free Fake data & testing APIs

Mock APIs and sample data for prototypes and tests. 7 APIs with a usable free tier, checked on their official docs on 2026-10-08.
7
JSONPlaceholder

Fake REST API for posts, users, todos

Free tier
Free, no key
Auth
No key
Docs
docs

Catch: Writes are faked, not saved

DummyJSON

Fake products, users, carts and auth data

Free tier
Free, no key
Auth
No key
Docs
docs

Catch: Data resets; writes are not persisted

source

Fake Store API

Fake e-commerce products and carts

Free tier
Free, no key
Auth
No key
Docs
docs

Catch: Static data

source

Random User API

Random user profiles with photos

Free tier
Free, no key
Auth
No key
Docs
docs

Catch: Fair use; max 5,000 results per request

source

httpbin

HTTP request and response testing service

Free tier
Free, no key
Auth
No key
Docs
docs

Catch: Public instance is shared; can be slow

Postman Echo

Echo service for testing HTTP clients

Free tier
Free, no key
Auth
No key
Docs
docs

Catch: Shared service

source

Mockaroo API

Realistic fake data in JSON, CSV, SQL

Free tier
Free plan: 200 requests/day
Auth
API key
Docs
docs

Catch: Free plan limits rows per request

source

FAQ

What is the best free fake data & testing API?+

JSONPlaceholder, DummyJSON, Fake Store API are good places to start. Compare the free tiers and catches in the table; they differ mostly in limits and whether commercial use is allowed.

Is there a fake data & testing API without an API key?+

Yes: JSONPlaceholder, DummyJSON, Fake Store API, Random User API, httpbin work without a key.

More free APIs: Weather · Maps & geocoding · Finance & crypto · Currency exchange · AI & ML · Email & messaging · IP & geolocation · News & social · Sports · Movies, TV & anime · Music · Books & reference · Space & science · Government & open data · Translation & language · Images & media · Food & recipes · Transportation · Health · Developer tools · Security · Games & fun