---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/94300#article
headline: "94300: Transcriptions Configurations: Invalid callback configuration"
url: https://www.twilio.com/docs/api/errors/94300
inLanguage: en
dateModified: 2026-03-11T22:03:37.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 94300: Transcriptions Configurations: Invalid callback configuration

Log Type: APPLICATION

Log Level: ERROR

## Description

Invalid callback configuration, either to create a new configuration or update existing one. A valid Url and Method must be specified to enable callbacks via HTTP request (webhook) and receive transcriptions status updates.

### Possible causes

* Invalid Callback "Url" value
* Invalid Callback "Method" value

### Possible solutions

* Callback "Url" value should be valid Http(s) url format
* Callback "Method" value should be either `POST` or `GET`
* Disable callback by setting "Url" to '' value (empty string)