This feature requires a recent Claude Desktop client. Older versions may not show the
Developer menu or third-party inference settings.Prerequisites
Before you start, make sure you have:- The latest Claude Desktop client.
- An AiToEarn account.
- AiToEarn API Key.
Choose a Base URL
AiToEarn API Keys are bound to the site where they were created. The Base URL in Claude Desktop must match your API Key site.
Do not enter
/v1/messages. Claude Desktop sends Anthropic Messages style requests, which will be routed to AiToEarn’s Anthropic messages endpoint.
Configure Claude Desktop
It is recommended to finish this configuration before logging in to Claude Desktop.- Open the latest Claude Desktop client.
- Do not log in yet.
- In the top menu bar, go to
Help->Troubleshooting->Enable Developer Mode.

Developer menu appears. Go to Developer -> Configure third-party inference.


Apply locally to save the configuration on the current computer.

Verify the Setup
After applying the local configuration:- If the client asks for a restart, fully quit and reopen Claude Desktop.
- Start a new conversation.
- Send a simple test prompt:
Troubleshooting
Developer Menu Is Missing
- Confirm you have installed the latest Claude Desktop.
- Enable developer mode from
Help->Troubleshooting->Enable Developer Mode. - Fully quit and reopen Claude Desktop after enabling it.
Configure Third-Party Inference Is Missing
- Confirm you are using the Claude Desktop client, not the web app.
- Try enabling developer mode before logging in.
- Update Claude Desktop and try again.
Invalid API Key
- Copy the full key from AiToEarn API Key.
- Check for leading or trailing spaces.
- Confirm the authentication method is
x-api-key. - Do not use
ANTHROPIC_AUTH_TOKEN.
Connection or Model Errors
- China site Base URL must be
https://aitoearn.cn/api/ai. - International site Base URL must be
https://aitoearn.ai/api/ai. - Confirm the Base URL and API Key belong to the same site.
- If Claude Desktop provides model selection, switch to another available model returned by Chat models and test again.

