---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/57006#article
headline: "57006: 'EventType' is empty"
url: https://www.twilio.com/docs/api/errors/57006
inLanguage: en
dateModified: 2026-03-26T06:28:41.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 57006: 'EventType' is empty

Log Type: APPLICATION

Log Level: ERROR

## Description

`EventType` is required in this request. When it is missing or empty, Twilio returns This error with the message `'EventType' is empty`.

### Possible causes

* The request did not include a value for `EventType`.
* The request included `EventType`, but the value was empty.

### Possible solutions

* Pass a valid `EventType` value in the request.
* Validate the payload before sending it so `EventType` is present and populated.

#### Additional resources

* [Programmable Messaging](/docs/messaging)
* [Debugging Your Twilio Application](/docs/usage/troubleshooting/debugging-your-application)