---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/80904#article
headline: "80904: Expired Proxy Session"
url: https://www.twilio.com/docs/api/errors/80904
inLanguage: en
dateModified: 2026-03-11T22:03:37.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 80904: Expired Proxy Session

Log Type: APPLICATION

Log Level: WARNING

## Description

Proxy session has expired.

### Possible causes

* Session has expired due to **"Ttl"** or **"DateExpiry"** has been reached.

  * If Session has DateExpiry property set, it overrides the Ttl value and session will expire as soon as DateExpiry is reached.
  * If Both the properties are not set, default Ttl is set to 90 days and session expires when Ttl is reached.

### Possible solutions

Create a new session or re-open a closed session within the service. Refer: [docs](/docs/proxy/api/session)