---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/21701#article
headline: "21701: The Messaging Service does not exist"
url: https://www.twilio.com/docs/api/errors/21701
inLanguage: en
dateModified: 2026-03-11T18:38:39.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 21701: The Messaging Service does not exist

Log Type: APPLICATION

Log Level: ERROR

## Description

The Messaging Service resource you are referencing does not exist or does not match the `Account SID` in the API Request.

### Possible causes

* The Messaging Service resource you are referencing does not exist.
* The Messaging Service resource you are referencing does not belong to the Account SID in your API Request.

### Possible solutions

* Double check the `Messaging Service SID` and `Account SID` parameters that you are using. You can find the Messaging Service SID in the [Twilio Console](https://console.twilio.com/us1/develop/sms/services) (beginning with MG).