test-data APIs

Bacon Ipsum is a fun lorem ipsum generator that returns meat-themed placeholder text in JSON format.

Dicebear Avatars is a free API that generates unique, deterministic pixel-art avatars based on a seed string you provide.

English Random Words API generates random English words along with their pronunciation guides, making it useful for word games, vocabulary apps, and testing text-to-speech features.

FakeJSON provides programmatic access to service to generate test and fake data via REST API.

FakerAPI is a free collection of REST endpoints that return realistic fake data including people, companies, addresses, credit cards, and more.

FakeStoreAPI is a free REST API that simulates an e-commerce backend, providing endpoints for products, carts, and users without any setup.

GeneradorDNI is a data generator API that creates realistic fake profiles including personal identity numbers, vehicle data, bank accounts, and credit card details for testing purposes.

ItsThisForThat is a playful API that generates random startup pitch ideas by combining two random concepts in the format "It's X for Y".

JSONPlaceholder is a free, no-auth-required fake REST API perfect for learning and prototyping.

Loripsum provides programmatic access to the "lorem ipsum" generator that doesn't suck via REST API.

Mailsac lets you create disposable email addresses and read incoming messages via API — ideal for testing email-sending features in your app.

Metaphorsum generates placeholder text built from metaphors — a creative alternative to standard Lorem Ipsum.

Mockaroo lets you generate realistic fake datasets in JSON, CSV, SQL, or XML with fully customizable schemas.

QuickMocker provides programmatic access to api mocking tool to generate contextual, fake or random data via REST API.

Random Data provides programmatic access to random data generator via REST API.

Randommer is a multi-purpose random data API that generates names, phone numbers, credit card numbers, text, and more — all through a single key-authenticated endpoint.

RandomUser generates complete fake user profiles — including name, email, address, photo, and more — in a single JSON response.

RoboHash generates unique robot, monster, or human avatar images from any text string — just embed a URL in an img tag and you get an instant avatar.

Spanish random names provides programmatic access to generate spanish names (with gender) randomly via REST API.

Spanish random words provides programmatic access to generate spanish words randomly via REST API.

This Person Does Not Exist serves AI-generated photorealistic face images of people who do not actually exist.

Toolcarton provides programmatic access to generate random testimonial data via REST API.

UUID Generator provides a simple API to generate universally unique identifiers (UUIDs) in multiple versions including v1, v4, and v5.

What The Commit returns a random humorous git commit message as plain text — perfect for generating funny placeholder messages or testing commit-message parsers.

Yes No is a fun, no-auth-required API that returns a random yes or no answer along with a GIF image.