Claude Code API

Claude Code API setup with prepaid budget protection

Claude Code-style workflows can use long context and large outputs. A controlled gateway key helps you test without exposing unlimited provider spend.

Claude Code APIClaude Code API proxyClaude API gatewayClaude-compatible API

Use a Claude-style route

NexRelay exposes Claude-style endpoints for compatible clients that support custom API base URLs.

Protect coding sessions

Coding sessions can retry, inspect files, and produce long responses. Put limits in place before serious use.

Create a dedicated key for Claude Code
Set a small test budget
Inspect request logs after the first run
Raise limits only after the route behaves as expected

Keep one wallet

Use the same prepaid NexRelay account for OpenAI-compatible, Claude-style, and Gemini-style compatible clients.

FAQ

Can Claude Code use a custom gateway?

Claude-style clients can use a compatible gateway when they support a custom base URL and API key.

Why use a separate key for Claude Code?

Separate keys make coding-session spend easier to cap, audit, and disable.