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Free Cloud Storage & File Sharing APIs with no API key

4 Cloud Storage & File Sharing APIs that need no API key, account or credit card. 1 of them also allow CORS, so you can call them straight from browser JavaScript. Listed by uptime and ease of use.

  1. 1

    Pantry API

    Online · 870 ms

    Free JSON storage for small projects.

    • No API key needed
    • Callable from the browser (CORS)
    • HTTPS
    No authHTTPSCORS
  2. 2FileUp logo

    FileUp API

    Online · 745 ms

    Temporary file hosting with upload API, expiration times, and view limits.

    • No API key needed
    • HTTPS
    No authHTTPSCORS ?
  3. 3

    File.io API

    Online · 855 ms

    Super simple file sharing, convenient, anonymous and secure.

    • No API key needed
    • HTTPS
    No authHTTPSCORS ?
  4. 4

    The Null Pointer API

    Online · 677 ms

    No-bullshit file hosting and URL shortening service.

    • No API key needed
    • HTTPS
    No authHTTPSCORS ?

Keyless Cloud Storage & File Sharing APIs compared

Cloud Storage & File Sharing APIs with no API key
APIAPI keyHTTPSCORSUptimeResponseRating
PantryNoYesYesUp870 msNot rated
FileUp logoFileUpNoYesUnknownUp745 msNot rated
File.ioNoYesUnknownUp855 msNot rated
The Null PointerNoYesUnknownUp677 msNot rated

See also: best Cloud Storage & File Sharing APIs · all 19 Cloud Storage & File Sharing APIs · every API with no key

FAQ

Are there free Cloud Storage & File Sharing APIs without an API key?

Yes. 4 free Cloud Storage & File Sharing APIs need no API key or sign-up, including Pantry API, FileUp API and File.io API. You can send a request straight away.

Which keyless Cloud Storage & File Sharing APIs can I call from JavaScript in the browser?

1 of them also support CORS, including Pantry API, so a plain fetch from a web page works.

Do APIs without a key have limits?

Usually, yes. Keyless APIs typically rate-limit by IP address, so cache responses and avoid tight loops. For production traffic, an API with a free key tier often gives higher, more predictable limits.