Third-party clients
Configure Essevin in Cherry Studio, NextChat, LobeChat, and similar clients.
Desktop and web clients such as Cherry Studio, NextChat, and LobeChat use the same core settings. The provider type must match the model protocol.
| Model | Provider type | API address / Base URL | API Key |
|---|---|---|---|
| GPT models such as gpt-6-sol or gpt-6-luna | OpenAI (Chat Completions) | https://api.essevin.com/v1 | GPT key |
| Claude models such as claude-opus-5-5 | Anthropic | https://api.essevin.com without /v1 | Claude key |
Claude keys must use the Anthropic type
Do not select OpenAI for a Claude key. It returns 404 because the request uses the wrong protocol path. Select Anthropic, use a client that supports Anthropic such as Cherry Studio, or use the web console.
Confirm an available model
Call GET /v1/models with the key you will use and copy the complete model ID.
Add a custom provider
Enter the provider type, Base URL, API key, and model ID from the table above.
Save and test
Select the new model and send “Reply only with ok.” For a 404, check whether Claude was configured as OpenAI or whether /v1 is missing or duplicated.
Web clients need the full Base URL
Direct browser connections are supported. Web clients often do not append an API path. For OpenAI or GPT mode, enter the complete https://api.essevin.com/v1 URL. For Anthropic mode and Claude, omit /v1.