---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/50414#article
headline: "50414: Participant address type does not match proxy address type"
url: https://www.twilio.com/docs/api/errors/50414
inLanguage: en
dateModified: 2026-03-11T20:43:38.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 50414: Participant address type does not match proxy address type

Log Level: ERROR

## Description

The provided participant address mismatches the proxy address channel type.

### Possible causes

* MessagingBinding.Address and MessagingBinding.ProxyAddress passed to the API do not belong to the same communication channel.

### Possible solutions

* Ensure that both MessagingBinding.Address and MessagingBinding.ProxyAddress are both of the same type, e.g. both SMS or both WhatsApp.