Docs / Quick Start

Quick Start

Three steps, a few minutes.

The fastest path is ⚡ One-Click Setup — one command configures and launches Claude Code. Manual steps below.

1. Create an API key

Sign in → Console → API Keys → create, and copy the sk- key. One key works for both protocols.

2. Pick the right Base URL (by protocol)

Anthropic
https://llmapi.pro — Claude Code, Anthropic SDK. no /v1
OpenAI
https://llmapi.pro/v1 — Cursor, Cline, Chatbox, OpenAI SDK. with /v1

3. Put it in your tool

Find your client under Browse by app and fill in Base URL, key, and model (we recommend claude-opus-4-8).

Claude Code →Cursor →Chatbox →

Verify

curl https://llmapi.pro/v1/messages \
  -H "x-api-key: sk-YOUR_KEY" \
  -H "anthropic-version: 2023-06-01" \
  -H "content-type: application/json" \
  -d '{"model":"claude-opus-4-8","max_tokens":64,"messages":[{"role":"user","content":"Hello"}]}'
A normal JSON reply means success. Errors? See Errors.
Need help? Email [email protected] · Home