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Unlimited AI, one fixed price

Claudin.io is an API proxy for AI coding agents. Pay a flat monthly subscription and use it as much as you want — no per-token billing, no request counters, no credits that expire.

Get started See the plans

Why Claudin.io

  • Unlimited usage

    No request counts, no token metering. The only guardrail is a per-period spend protection cap that stops a runaway agent — you almost never hit it in normal work.

  • Works with your tools

    OpenAI- and Anthropic-compatible endpoints. Drop it into OpenCode, Claude Code, Kilo Code, Zed, Codex, Cursor, or any OpenAI client in minutes.

  • Predictable cost

    A fixed subscription. No surprise bills at the end of the month, no "how much will this refactor cost?" anxiety.

  • Spend protection built in

    A cascading per-period budget cap protects you from infinite-loop agents burning your plan. Transparent and shown live in your dashboard.

Get going in 4 steps

  1. Create an account and copy your API key.
  2. Set your API key once in your shell.
  3. Connect your tool — pick your editor or agent.
  4. Make your first call and start building.

The model name is always claudinio

Whatever client you use, the model id you point it at is claudinio. The base URL is https://api.claudin.io.

Need help? See the FAQ or reach out from the support card in your dashboard.