# Pre-authz failed - payload too large Error

**URL:** <https://forum.flow.com/t/pre-authz-failed-payload-too-large-error/3962>\
**Category:** Flow JavaScript SDK\
**Tags:** fcl\
**Created:** [December 14, 2022, 5:40am UTC](https://forum.flow.com/t/pre-authz-failed-payload-too-large-error/3962 "2022-12-14T05:40:49Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![developer.mobilefirs](https://avatars.discourse-cdn.com/v4/letter/d/0ea827/32.png) [@developer.mobilefirs](https://forum.flow.com/u/developer.mobilefirs)\
**Post date:** [December 14, 2022, 5:40am UTC](https://forum.flow.com/t/pre-authz-failed-payload-too-large-error/3962/1 "2022-12-14T05:40:49Z")

</div>

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> pre-autz failed when minting large images. anything beyond 300kb pre-autz fails

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 ![image](https://us1.discourse-cdn.com/flex022/uploads/flow/original/1X/faa75e8083f6b94aea41104975fdebf5c74311c7.jpeg)

 ![image](https://us1.discourse-cdn.com/flex022/uploads/flow/original/1X/48b2a462931f978d3726ad330b6c8933f721760b.png)

![image](https://us1.discourse-cdn.com/flex022/uploads/flow/original/1X/91af4ec3ad8cca8ed339c1f7aff43010edf2105c.png)