# API Not working

**URL:** <https://integration.keap.com/t/api-not-working/83440>\
**Category:** API Q&A\
**Created:** [May 14, 2021, 9:51am UTC](https://integration.keap.com/t/api-not-working/83440 "2021-05-14T09:51:15Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Avi\_Singh](https://avatars.discourse-cdn.com/v4/letter/a/4af34b/32.png) [@Avi\_Singh](https://integration.keap.com/u/Avi_Singh)\
**Post date:** [May 14, 2021, 9:51am UTC](https://integration.keap.com/t/api-not-working/83440/1 "2021-05-14T09:51:15Z")

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We just now started getting an error for our code where we are using Create a Contact and Check for Duplicates.

"Server returned a fault exception: [2] [InvalidKey]Invalid Key

This is for Infusionsoft.

It looks like the API key has stopped working. All the code is not working.

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**Author:** ![William\_Gray](https://sea1.discourse-cdn.com/flex019/user_avatar/integration.keap.com/william_gray/32/12833_2.png) [@William\_Gray](https://integration.keap.com/u/William_Gray)\
**Post date:** [May 14, 2021, 12:56pm UTC](https://integration.keap.com/t/api-not-working/83440/2 "2021-05-14T12:56:35Z")

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It looks like there’s a critical known issue about this:

[https://knownissues.keap.com/](https://knownissues.keap.com/)

The one titled ‘API Encrypted Key changed to a new value without any change to the Passphrase’ is the one I’m referring to. Looks like I can’t link it directly.

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**Author:** ![bradb](https://sea1.discourse-cdn.com/flex019/user_avatar/integration.keap.com/bradb/32/13_2.png) [@bradb](https://integration.keap.com/u/bradb)\
**Post date:** [May 14, 2021, 1:06pm UTC](https://integration.keap.com/t/api-not-working/83440/3 "2021-05-14T13:06:05Z")

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Fix is rolling out. Estimated time for all apps to have the fix is about 1.5 hours.