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Use this guide to add Alter as a custom provider in TypingMind.

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Open Custom Model Setup

In TypingMind, go to: Settings -> Models -> + Add Custom Model

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1) Basic Configuration

Set the fields as follows:
  • Name: Alter
  • API Type: OpenAI Chat Completions API
  • Endpoint URL: https://alterhq.com/api/v1/chat/completions
  • Model ID: choose one from the supported IDs below
  • Context Length: default value, or any value you prefer
TypingMind basic configuration

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2) Authentication

In the Authentication section:
  • Authentication Type: No authentication
Note: We will pass the API key manually via Custom Headers in the next step.

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3) Advanced Configuration (Required)

Expand Advanced at the bottom, then add a Custom Header pair:
  • Key (left): Authorization
  • Value (right): Bearer <YOUR_API_KEY>
Replace <YOUR_API_KEY> with your real Alter API key. Make sure there is one space between Bearer and your key. TypingMind authorization header

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Supported Model IDs

Copy the Model ID exactly as shown.

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Claude (Anthropic)

  • Claude#claude-3-5-sonnet-latest
  • Claude#claude-3-7-sonnet-20250219
  • Claude#claude-3-opus-20240229
  • Claude#claude-3-haiku-20240307

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OpenAI

  • OpenAI#gpt-4o
  • OpenAI#gpt-4o-mini
  • OpenAI#chatgpt-4o-latest
  • OpenAI#gpt-4-turbo

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Gemini (Google)

  • Gemini#gemini-2.0-flash-001
  • Gemini#gemini-2.0-flash-lite-001
  • Gemini#gemini-1.5-pro
  • Gemini#gemini-1.5-flash

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DeepSeek and Others (via Providers)

  • Together#deepseek-ai/DeepSeek-R1
  • Together#deepseek-ai/DeepSeek-V3
  • Groq#deepseek-r1-distill-llama-70b
  • Perplexity#sonar-pro
Need current model availability? Check API Model Reference.