Developers can use Claude Code, Cline, n8n and Open WebUI with one OpenAI-compatible API key

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A developer in Indonesia explains how to connect popular AI tools such as Claude Code, Cline, n8n and Open WebUI to a single API gateway, which avoids the need for an international credit card. Most AI tools accept a custom base URL and key, so users only need three values: the base URL, the API key and a model name. The guide gives copy-paste setup steps and a curl test to confirm the connection before configuring each tool. The author's own gateway, which accepts payment via QRIS, USDT or Binance Pay, is used in the examples, and the author discloses running it. Tips on reducing costs, such as starting new tasks for new topics and using prompt caching, are also included.

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