# API Length Limiter

**URL:** https://forum.mautic.org/t/api-length-limiter/30215
**Category:** Product Support
**Created:** [December 14, 2023, 8:05am UTC](https://forum.mautic.org/t/api-length-limiter/30215 "2023-12-14T08:05:40Z")
**Posts on this page:** 1
**Page:** 1

<div class="post-metadata">

### Author: ![mikew](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/mikew/32/5156_2.png) [@mikew](https://forum.mautic.org/u/mikew)
#### Post date: [December 14, 2023, 8:05am UTC](https://forum.mautic.org/t/api-length-limiter/30215/1 "2023-12-14T08:05:41Z")

</div>

**Your software**  
My Mautic version is: 4.4.4  
My PHP version is: 7.4  
My Database type and version is:

**Your problem**  
My problem is:

I am trying to create / update a contacts custom field which when created was set to varchar(191), so when I try and add in more than 191 characters it responds with errors.

```auto
{"errors":[{"code":400,"message":"btag: This value is too long. It should have 191 characters or less.","details":{"btag":["This value is too long. It should have 191 characters or less."]}}]}

```

If I extend this field in the database to 256, it still gives the same error message

These errors are showing in the log:

Steps I have tried to fix the problem: