---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/48000#article
headline: "48000: Invalid request payload"
url: https://www.twilio.com/docs/api/errors/48000
inLanguage: en
dateModified: 2026-03-11T20:01:16.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 48000: Invalid request payload

Log Type: APPLICATION

Log Level: ERROR

## Description

The callback request payload provided is invalid

### Possible causes

* You might be using an old version of Frontline application.

### Possible solutions

* Update your Frontline application.