IntegrationsChat
ChatBox
Add RouteMux to ChatBox as an OpenAI-compatible provider.
ChatBox supports custom OpenAI-compatible endpoints, which is all RouteMux needs.
Configure
| Field | Value |
|---|---|
| Model provider | OpenAI API Compatible |
| API host / Base URL | https://api.routemux.com/v1 |
| API key | your RouteMux key (sk-...) |
| Model | a slug from GET /v1/models |
Some builds label the host field "API Host" and expect the origin without /v1, appending
it internally. If your first request 404s, try both forms — RouteMux accepts
/v1/chat/completions and normalises a doubled /v1/v1/ prefix.
Add models manually
ChatBox ships a fixed model list per provider. RouteMux slugs (openai/gpt-5.5,
anthropic/claude-sonnet-5) must be entered by hand. GET /v1/models returns the exact
set your key can call.
Billing behaviour worth knowing
- You are charged for successful responses only. A cancelled generation that never completed upstream is not billed.
- Long conversations bill on real token usage each turn, including the history you resend.