Perplexity Ai not showing

[youvnor]

I'm encountering an issue setting up a custom Perplexity endpoint in LibreChat, and despite following the documentation and troubleshooting steps, it doesn't appear in the UI.

Problem Description:
I have configured Perplexity as a custom endpoint in my librechat.yaml and enabled custom in my .env ENDPOINTS variable. The LibreChat application starts without any errors related to the librechat.yaml configuration. However, the Perplexity option does not show up in the model selection menu in the LibreChat UI.

My Environment:

LibreChat Version: last
Deployment Method: Docker Compose
Operating System: Debian bookworm
Configuration Details:

librechat.yaml (relevant snippet):

endpoints:
custom:
Perplexity:
apiKey: "${PERPLEXITY_API_KEY}"
baseURL: "https://api.perplexity.ai/"
models:
default: [
"sonar-deep-research",
"sonar-reasoning-pro",
"sonar-reasoning",
"sonar-pro",
"sonar",
]
fetch: false # fetching list of models is not supported
titleConvo: true
titleModel: "current_model"
forcePrompt: false
titleMessageRole: "user"
modelDisplayLabel: "Perplexity"
dropParams: ["stop", "user", "frequency_penalty", "presence_penalty"]

.env (relevant snippet for ENDPOINTS):
ENDPOINTS=openAI,google,anthropic,custom,agents

Troubleshooting Steps Taken:
YAML Syntax: Confirmed the librechat.yaml syntax is correct.
.env Configuration: Ensured custom is included in ENDPOINTS.
API Key Verification: The PERPLEXITY_API_KEY is set in my .env file and verified to be correct and active by testing it directly via curl to https://api.perplexity.ai/chat/completions.
Log Analysis: Checked LibreChat Docker container logs during startup. There are no explicit error messages

Expected Behavior:
I expect "Perplexity" to appear as a selectable option in the LibreChat UI's model dropdown menu.

Actual Behavior:
The Perplexity endpoint does not appear in the UI.