Yes No API alternatives

Generate yes or no randomly. If it doesn't fit your project, here are the 10 best free Test Data APIs to use instead in 2026, out of 36 in the directory.

For reference, Yes No API: No API key needed · Returns JSON at its URL · HTTPS.

1. 1

   AddressMock API

   Online · 784 ms

   Random US, Hong Kong and Cape Verde addresses with matched city, state and ZIP.

   • No API key needed
   • Callable from the browser (CORS)
   • HTTPS

   No authHTTPSCORS
2. 2

   DummyJSON API

   Online · 789 ms

   Fake REST API with products, users, posts, comments, todos and more.

   • No API key needed
   • Callable from the browser (CORS)
   • HTTPS

   No authHTTPSCORS
3. 3

   flaky API

   Online · 1050 ms

   Fake REST API with chaos controls: force any status code, add latency, or a failure rate.

   • No API key needed
   • Callable from the browser (CORS)
   • HTTPS

   No authHTTPSCORS
4. 4

   loremfile API

   Online · 924 ms

   Hotlinkable CC0 sample files in 78 formats, each with a SHA-256 in a JSON manifest.

   • No API key needed
   • Callable from the browser (CORS)
   • HTTPS

   No authHTTPSCORS
5. 5

   Supercrontab Mock Endpoints API

   Online · 822 ms

   Mock endpoints in 8 formats, each returning any of 14 HTTP status codes.

   • No API key needed
   • Callable from the browser (CORS)
   • HTTPS

   No authHTTPSCORS
6. 6

   TestingAPIs API

   Online · 642 ms

   Free fake REST API with products, posts, todos, any HTTP status code and request echo.

   • No API key needed
   • Callable from the browser (CORS)
   • HTTPS

   No authHTTPSCORS
7. 7

   Waldrand Avatar API

   Online · 804 ms

   Deterministic SVG/PNG/WebP avatars from any string, four styles.

   • No API key needed
   • Callable from the browser (CORS)
   • HTTPS

   No authHTTPSCORS
8. 8

   Bacon Ipsum API

   Online · 1117 ms

   A Meatier Lorem Ipsum Generator.

   • No API key needed
   • HTTPS

   No authHTTPSCORS ?
9. 9

   FakeStoreAPI

   Online · 861 ms

   Fake store rest API for your e-commerce or shopping website prototype.

   • No API key needed
   • HTTPS

   No authHTTPSCORS ?
10. 10N

    NovaFortix Dev API

    Online · 561 ms

    Zero-auth REST endpoints for mock user profiles, UUIDs and HTTP status codes.

    • No API key needed
    • Callable from the browser (CORS)
    • HTTPS

    No authHTTPSCORS

Yes No API vs alternatives

Yes No API compared with its alternatives

API	API key	HTTPS	CORS	Uptime	Response	Rating
Yes No	No	Yes	Unknown	Up	923 ms	Not rated
AddressMock	No	Yes	Yes	Up	784 ms	Not rated
DummyJSON	No	Yes	Yes	Up	789 ms	Not rated
flaky	No	Yes	Yes	Up	1050 ms	Not rated
loremfile	No	Yes	Yes	Up	924 ms	Not rated
Supercrontab Mock Endpoints	No	Yes	Yes	Up	822 ms	Not rated
TestingAPIs	No	Yes	Yes	Up	642 ms	Not rated
Waldrand Avatar	No	Yes	Yes	Up	804 ms	Not rated
Bacon Ipsum	No	Yes	Unknown	Up	1117 ms	Not rated

See also: best Test Data APIs · all Test Data APIs