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QuickMocker API alternatives

API mocking tool to generate contextual, fake or random data. 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, QuickMocker API: No API key needed · Callable from the browser (CORS) · HTTPS.

  1. 1AddressMock logo

    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. 2DummyJSON logo

    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. 3flaky logo

    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. 4loremfile logo

    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. 5Supercrontab Mock Endpoints logo

    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. 6TestingAPIs logo

    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. 7Waldrand Avatar logo

    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

    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
  9. 9

    TotalShiftLeft Sandbox API

    Online · 1352 ms

    Free multi-protocol sandbox: REST, GraphQL & SOAP with OAuth2/JWT auth and OpenAPI 3.0 spec.

    • No API key needed
    • Callable from the browser (CORS)
    • HTTPS
    No authHTTPSCORS
  10. 10Bacon Ipsum logo

    Bacon Ipsum API

    Online · 1117 ms

    A Meatier Lorem Ipsum Generator.

    • No API key needed
    • HTTPS
    No authHTTPSCORS ?

QuickMocker API vs alternatives

QuickMocker API compared with its alternatives
APIAPI keyHTTPSCORSUptimeResponseRating
QuickMockerNoYesYesDown–Not rated
AddressMock logoAddressMockNoYesYesUp784 msNot rated
DummyJSON logoDummyJSONNoYesYesUp789 msNot rated
flaky logoflakyNoYesYesUp1050 msNot rated
loremfile logoloremfileNoYesYesUp924 msNot rated
Supercrontab Mock Endpoints logoSupercrontab Mock EndpointsNoYesYesUp822 msNot rated
TestingAPIs logoTestingAPIsNoYesYesUp642 msNot rated
Waldrand Avatar logoWaldrand AvatarNoYesYesUp804 msNot rated
NovaFortix DevNoYesYesUp561 msNot rated

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

QuickMocker API alternatives FAQ

What is the best free alternative to the QuickMocker API in 2026?

The top-ranked free alternatives to the QuickMocker API are AddressMock API, DummyJSON API and flaky API, all in the Test Data category. Rankings combine access (API key, HTTPS, CORS), daily uptime checks and developer ratings.

How many Test Data APIs are similar to the QuickMocker API?

The directory lists 36 other free Test Data APIs. This page compares the top ones side by side.