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Tembo Max provides a high-performance proxy endpoint that allows you to connect your local AI coding tools to Tembo’s infrastructure. Read more about Tembo Max.

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Connecting to Tembo Max

To use Tembo Max with your coding agents, configure them to connect to: 
proxy.tembo.io/anthropic

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Getting Your API Key

  1. Log in to your Tembo dashboard
  2. Navigate to Settings → API Keys
  3. Click Create API Key and copy the generated key
Keep your API key secure. If compromised, revoke it immediately and generate a new one.

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Supported Tools

Max works seamlessly with the following AI coding tools:
  • Claude Code - Anthropic’s official CLI for Claude
  • Codex - OpenAI-powered coding agent
  • OpenCode - Multi-model coding assistant

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Configuration

Configure your tool to use the Tembo Max proxy endpoint by setting the appropriate environment variables.

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Claude Code / OpenCode (Anthropic)

export ANTHROPIC_BASE_URL=https://proxy.tembo.io/anthropic
export ANTHROPIC_API_KEY=your-tembo-api-key

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OpenCode (OpenAI)

OpenCode can also use OpenAI models via opencode.json: 
{
  "$schema": "https://opencode.ai/config.json",
  "model": "openai/gpt-5.2",
  "provider": {
    "openai": {
      "models": {
        "gpt-5.2": {
          "id": "gpt-5.2",
          "name": "GPT-5.2"
        }
      },
      "options": {
        "baseURL": "https://proxy.tembo.io/openai",
        "apiKey": "<your-tembo-api-key>",
        "headers": {
          "x-reasoning-level": "high"
        }
      }
    }
  }
}

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Codex

Configure Codex to use Tembo Max by setting these environment variables: 
export OPENAI_BASE_URL="https://proxy.tembo.io/proxy/openai"
export OPENAI_API_KEY="your-tembo-api-key"
Replace your-tembo-api-key with your actual Tembo API key from the dashboard.
There may be a ~/.codex/auth.json file overriding your local OPENAI_API_KEY environment variable. Make sure to remove or update this file in order for the environment variable to work.

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Troubleshooting

Connection issues: Verify your API key is set correctly and you have an active Tembo subscription. Authentication errors: Generate a new API key from your dashboard if your current key is invalid or expired. For additional help, contact support@tembo.io.