# API Connector show error when connect to another bubble app

**URL:** <https://forum.bubble.io/t/api-connector-show-error-when-connect-to-another-bubble-app/53009>\
**Category:** APIs\
**Created:** [March 28, 2019, 9:40am UTC](https://forum.bubble.io/t/api-connector-show-error-when-connect-to-another-bubble-app/53009 "2019-03-28T09:40:03Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![lhlong](https://avatars.discourse-cdn.com/v4/letter/l/e36b37/32.png) [@lhlong](https://forum.bubble.io/u/lhlong)\
**Post date:** [March 28, 2019, 9:40am UTC](https://forum.bubble.io/t/api-connector-show-error-when-connect-to-another-bubble-app/53009/1 "2019-03-28T09:40:03Z")

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When I tried to connect to another bubble app by workflow API  
Here is API workflow setting in app A, I have 1 parameter name email

 ![image](https://us1.discourse-cdn.com/bubble/original/3X/b/5/b5b826bc687914e596e29b6af9a5b04dc03fee5d.png)  
Here is setting on API Connector in app B  
 ![image](https://us1.discourse-cdn.com/bubble/original/3X/a/8/a8f1fc7c2abe86361a2e7f65593f19e48ff2e6af.png)  
When I tried to initialize call, it showing Error code 400  
 ![image](https://us1.discourse-cdn.com/bubble/original/3X/c/5/c50479e15e4c941f4be6e9db7689f59d145293f2.png)  
But when I tried by another software like Rest Client, it work well. I can get data return from Workflow API.  
I tried to change Json body with many different type, but it still does not work with API connector.  
Please help.

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<div class="post-metadata">

**Author:** ![lhlong](https://avatars.discourse-cdn.com/v4/letter/l/e36b37/32.png) [@lhlong](https://forum.bubble.io/u/lhlong)\
**Post date:** [March 29, 2019, 1:47am UTC](https://forum.bubble.io/t/api-connector-show-error-when-connect-to-another-bubble-app/53009/2 "2019-03-29T01:47:15Z")

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I found a problem.  
Body type should be Form-Data instead of Json

 ![image](https://us1.discourse-cdn.com/bubble/original/3X/2/2/2236a533c0f2ec0b520b82385412e40322e4e40c.png)