API Key User Manual
Each key starts with 100M (1x-equivalent) quota. Different models consume quota by multiplier. Higher multiplier means faster quota usage.
1) Purchase & Delivery
- Payment: USDT (TRC20)
- Auto key delivery after on-chain confirmation (one order = one new key)
- No delivery for unpaid/timeout orders
- Issued keys are non-refundable
2) Connection Settings
Base URL: https://gpt-agent.cc/v1
API Key : sk-xxxxxxxxxxxxxxxx
3) Tutorial: How to Use
Use in VS Code Plugins
Install a plugin that supports custom API endpoint or Claude/Anthropic-compatible format.
- base_url:
https://gpt-agent.cc/v1orhttps://gpt-agent.cc - API Key: your key
- Protocol format: Anthropic-compatible
- Model name:
claude-sonnet-4-6or other supported model name
If your plugin defaults to OpenAI protocol, switch it manually to Claude/Anthropic-compatible format.
Use in Claude Code (with CC Switch)
CC Switch is a community open-source desktop tool for unified provider switching across Claude Code, Codex, Gemini CLI, OpenCode, etc.
- Open CC Switch and add provider: provider name, API key, Base URL, model name, target app (Claude Code)
- Switch provider to Claude Code via main UI or tray menu
- Confirm it is active (typically hot reload, no restart required)
- Use Claude Code normally in terminal
Use in OpenClaw (Separate Setup)
- Model Provider: Custom Provider
- Base URL:
https://gpt-agent.cc/v1 - API Key: your key
- Model: choose your target model ID
OpenClaw should be configured separately in its own provider/model settings.
Use in Cherry Studio
- Model Provider: Custom Provider
- API Base URL:
https://gpt-agent.cc/v1 - API Key: your key
- Endpoint Compatibility: Anthropic-compatible
- Model Name:
claude-sonnet-4-6or supported domestic model names
Rule: choose Claude-compatible and Anthropic protocol.
Connectivity Check
curl https://gpt-agent.cc/v1/models -H "Authorization: Bearer sk-xxxxxxxxxxxxxxxx"
Extra Notes Requested
- If Lobster OpenClaw crashes, you can install OpenCode, Claude Code, or Codex, then use local AI workflows to repair the AI agent.
- Now supports gpt-5.4, Codex, and Gemini 3.1 Pro. API is callable, with multiplier-based billing.
4) Billing Formula
Total usage = (Input Tokens + Output Tokens) 脳 Model Multiplier
5) Full Model List & Multipliers
| Provider | Model | Multiplier | Effective Tokens |
|---|---|---|---|
| Lobster | claude-sonnet-4-6 | 1x | 100M tokens |
| MiniMax | MiniMax-M2.5 | 1x | 100M tokens |
| MiniMax | MiniMax-M2.5-highspeed | 1x | 100M tokens |
| Kimi | kimi-for-coding (Kimi 2.5) | 2x | 50M tokens |
| Qwen | qwen3.5-plus | 1x | 100M tokens |
| Qwen | qwen3-coder-plus | 1x | 100M tokens |
| StepFun | step-3.5-flash | 1x | 100M tokens |
| gemini-3.1-pro | 8x | 12.5M tokens | |
| OpenAI | gpt-5.3-codex | 5x | 20M tokens |
| OpenAI | gpt-5.4 | 5x | 20M tokens |
| OpenAI | gpt-5.3-codex-spark | 4x | 25M tokens |
| Anthropic | claude-opus-4-6 (kiro) | 4x | 25M tokens |
6) Quick Troubleshooting
- Call
/modelsfirst to verify your key - Ensure Base URL is exactly
https://gpt-agent.cc/v1 - Ensure key starts with
sk-and has no extra spaces