- How to use the Claude API in Indonesia without a credit cardUse the Claude API from Indonesia with a Rupiah balance: top up by QRIS or bank transfer, create an API key, change the base URL. No international credit card.
- How to use Claude Code and pay in RupiahSet up Claude Code to use a Rupiah balance: three environment variables for macOS, Linux and Windows, how to check it works, and tips to keep token costs down.
- How to use the GPT API (OpenAI format) and pay by QRISUse the OpenAI SDK for GPT, Claude, Gemini and DeepSeek with a Rupiah balance topped up by QRIS. Python, Node and curl examples, plus Cursor and LobeChat setup.
- How to calculate AI API (token) costs in RupiahThe formula for AI API token costs in Rupiah, input vs output tokens, a worked example, and ways to keep Claude, GPT or Gemini bills low.