---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/30400#article
headline: "30400: Parameters are not valid "
url: https://www.twilio.com/docs/api/errors/30400
inLanguage: en
dateModified: 2026-03-11T18:38:39.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 30400: Parameters are not valid 

Log Type: APPLICATION

Log Level: ERROR

## Description

There is an issue with the request body.

### Possible causes

* `POST` body is missing parameters Body or Status.
* Attempted to cancel the message and redact the message body at the same time.
* Value for Status is invalid.
* Message body redaction request does not have empty Body parameter.

### Possible solutions

* To cancel the message, include Status: canceled.
* To redact the message body, ensure Body is empty. More details [here](https://support.twilio.com/hc/en-us/articles/223133687-Deleting-messages-message-media-or-message-bodies).
* If you want to cancel and redact the message body: First, request the message to be canceled. Then, request for message body redaction. More details [here](https://support.twilio.com/hc/en-us/articles/223133687-Deleting-messages-message-media-or-message-bodies).