---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/64102#article
headline: "64102: ConversationRelay: Unable to Connect to Websocket URL"
url: https://www.twilio.com/docs/api/errors/64102
inLanguage: en
dateModified: 2026-04-22T08:50:49.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 64102: ConversationRelay: Unable to Connect to Websocket URL

Log Type: APPLICATION

Log Level: ERROR

## Description

A 64102 Error is an indication there is something wrong with the Conversation Relay url parameter when Twilio attempted to connect to it.

### Possible causes

* The url parameter was incorrectly entered
* There is not a websocket server available at the url
* The websocket server at the url is not responding correctly

### Possible solutions

* Make sure the url parameter was entered correctly
* Make sure the websocket server is running at said url
* Make sure the websocket server is healthy and able to respond properly