# API POST doesn't work it response Error: Failed to Fetch

**URL:** <https://community.thunkable.com/t/api-post-doesnt-work-it-response-error-failed-to-fetch/603674>\
**Category:** Questions about Thunkable X\
**Tags:** beginner\
**Created:** [June 9, 2020, 4:01am UTC](https://community.thunkable.com/t/api-post-doesnt-work-it-response-error-failed-to-fetch/603674 "2020-06-09T04:01:42Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![actech](https://avatars.discourse-cdn.com/v4/letter/a/3d9bf3/32.png) [@actech](https://community.thunkable.com/u/actech)\
**Post date:** [June 9, 2020, 7:00am UTC](https://community.thunkable.com/t/api-post-doesnt-work-it-response-error-failed-to-fetch/603674/3 "2020-06-09T07:00:45Z")

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If use basic authorization to log in to the service, see this example

> [@How can I Reduce Image Size such as from 4 MB to 200 KB with Thunkable X](http://community.thunkable.com/t/how-can-i-reduce-image-size-such-as-from-4-mb-to-200-kb-with-thunkable-x/345180/9):
>
> Example upload from URL See [TinyPNG – API Reference](https://tinyjpg.com/developers/reference) for details.

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