# Post API is deleting custom fields!

**URL:** https://forum.mautic.org/t/post-api-is-deleting-custom-fields/9083
**Category:** Product Support
**Created:** [July 27, 2017, 1:47pm UTC](https://forum.mautic.org/t/post-api-is-deleting-custom-fields/9083 "2017-07-27T13:47:53Z")
**Posts on this page:** 2
**Page:** 1

<div class="post-metadata">

### Author: ![A\_Atrash](https://avatars.discourse-cdn.com/v4/letter/a/e495f1/32.png) [@A\_Atrash](https://forum.mautic.org/u/A_Atrash)
#### Post date: [July 27, 2017, 1:47pm UTC](https://forum.mautic.org/t/post-api-is-deleting-custom-fields/9083/1 "2017-07-27T13:47:53Z")

</div>

Hello all,  
  
  
  
I have a few custom fields in my Mautic and when I use ‘post’ to an already-existing contact in order to update it I loose the data of the custom fields. Any idea on how I can solve this?  
  
  
  
I tired ‘edit’ but it’s not working for me.  
  
  
  
Thanks

---

<div class="post-metadata">

### Author: ![A\_Atrash](https://avatars.discourse-cdn.com/v4/letter/a/e495f1/32.png) [@A\_Atrash](https://forum.mautic.org/u/A_Atrash)
#### Post date: [July 27, 2017, 1:47pm UTC](https://forum.mautic.org/t/post-api-is-deleting-custom-fields/9083/2 "2017-07-27T13:47:53Z")

</div>

Hello all,

I have a few custom fields in my Mautic and when I use ‘post’ to an already-existing contact in order to update it I loose the data of the custom fields. Any idea on how I can solve this?

I tired ‘edit’ but it’s not working for me.

Thanks