# API Workflow broken? URGENT

**URL:** <https://forum.bubble.io/t/api-workflow-broken-urgent/63717>\
**Category:** Bugs\
**Created:** [August 6, 2019, 5:21pm UTC](https://forum.bubble.io/t/api-workflow-broken-urgent/63717 "2019-08-06T17:21:54Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![Jici](https://sea1.discourse-cdn.com/bubble/user_avatar/forum.bubble.io/jici/32/30722_2.png) [@Jici](https://forum.bubble.io/u/Jici)\
**Post date:** [August 6, 2019, 5:21pm UTC](https://forum.bubble.io/t/api-workflow-broken-urgent/63717/1 "2019-08-06T17:21:55Z")

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Hi!  
Facing sudden issue with API Workflow returning error 400 while we change nothing on both side (bubble or webhook).  
Someone else seem to have the same issue on a different account. @bhage  
@neerja @emmanuel  
Any information on a possible reason for that / update?

someone else facing similar issue?

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**Author:** ![neerja](https://sea1.discourse-cdn.com/bubble/user_avatar/forum.bubble.io/neerja/32/29814_2.png) [@neerja](https://forum.bubble.io/u/neerja)\
**Post date:** [August 6, 2019, 5:33pm UTC](https://forum.bubble.io/t/api-workflow-broken-urgent/63717/2 "2019-08-06T17:33:45Z")

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@Jici Please submit a bug report and our team will investigate

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**Author:** ![Jici](https://sea1.discourse-cdn.com/bubble/user_avatar/forum.bubble.io/jici/32/30722_2.png) [@Jici](https://forum.bubble.io/u/Jici)\
**Post date:** [August 6, 2019, 5:37pm UTC](https://forum.bubble.io/t/api-workflow-broken-urgent/63717/3 "2019-08-06T17:37:41Z")

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This is already done since an hour or so. Just want to check with community if this is more larger issue because someone help is facing the same issue.

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**Author:** ![Jici](https://sea1.discourse-cdn.com/bubble/user_avatar/forum.bubble.io/jici/32/30722_2.png) [@Jici](https://forum.bubble.io/u/Jici)\
**Post date:** [August 6, 2019, 5:48pm UTC](https://forum.bubble.io/t/api-workflow-broken-urgent/63717/4 "2019-08-06T17:48:38Z")

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Seem that issue is caused by “optional” parameter not ignored

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**Author:** ![system](https://us1.discourse-cdn.com/bubble/original/3X/2/8/2847faa74692c2ffa5d939d3dc3724cdd060d247.png) [@system](https://forum.bubble.io/u/system)\
**Post date:** [August 20, 2019, 5:21pm UTC](https://forum.bubble.io/t/api-workflow-broken-urgent/63717/5 "2019-08-20T17:21:57Z")

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