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Claude Desktop can be configured to use third-party inference providers. After configuring AiToEarn, Claude Desktop sends requests through AiToEarn’s Anthropic compatible endpoint and authenticates with your AiToEarn API Key.
This feature requires a recent Claude Desktop client. Older versions may not show the Developer menu or third-party inference settings.
AiToEarn API Keys use the ANTHROPIC_API_KEY / x-api-key authentication method, not ANTHROPIC_AUTH_TOKEN. If the interface asks for an authentication method, choose x-api-key.

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Prerequisites

Before you start, make sure you have:
  1. The latest Claude Desktop client.
  2. An AiToEarn account.
  3. AiToEarn API Key.

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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.
SiteBase URL
China sitehttps://aitoearn.cn/api/ai
International sitehttps://aitoearn.ai/api/ai
Do not enter /v1/messages. Claude Desktop sends Anthropic Messages style requests, which will be routed to AiToEarn’s Anthropic messages endpoint.

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Configure Claude Desktop

It is recommended to finish this configuration before logging in to Claude Desktop.
  1. Open the latest Claude Desktop client.
  2. Do not log in yet.
  3. In the top menu bar, go to Help -> Troubleshooting -> Enable Developer Mode.
Enable Claude Desktop developer mode After enabling developer mode, the Developer menu appears. Go to Developer -> Configure third-party inference. Open third-party inference configuration Fill in the third-party inference settings:
FieldValue
Base URLChina site: https://aitoearn.cn/api/ai; international site: https://aitoearn.ai/api/ai
API KeyYour AiToEarn API Key
Authentication methodChoose x-api-key
Provider / API formatIf this option appears, choose Anthropic-compatible, custom gateway, or a similar option
Fill third-party inference settings Choose Apply locally to save the configuration on the current computer. Save Claude Desktop local configuration Follow the client prompts to log in or restart Claude Desktop.

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Verify the Setup

After applying the local configuration:
  1. If the client asks for a restart, fully quit and reopen Claude Desktop.
  2. Start a new conversation.
  3. Send a simple test prompt:
If this request is using AiToEarn, reply in one sentence.
If you receive a normal response, Claude Desktop is sending requests through AiToEarn. After the integration works, you can switch among available models on AiToEarn in Claude Desktop. Use Chat models as the source of truth for available model names.

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Troubleshooting

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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.

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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.

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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.

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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.