sub2api
by Wei-Shaw
Sub2API-CRS2 is a one-stop open source transfer service that allows Claude, Openai, Gemini, and Antigravity subscriptions to be connected in a unified manner, supports carpooling, allocates costs more efficiently, and uses native tools seamlessly.
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Added 1/1/2026
API Integration2apiantigravity2apicc2apiclaudeclaude-code
Installation
# Add to your Claude Code skills
git clone https://github.com/Wei-Shaw/sub2apiSub2API
<div align="center">
AI API Gateway Platform for Subscription Quota Distribution
English | 中文
</div>Demo
Try Sub2API online: https://demo.sub2api.org/
Demo credentials (shared demo environment; not created automatically for self-hosted installs):
| Email | Password | |-------|----------| | admin@sub2api.com | admin123 |
Overview
Sub2API is an AI API gateway platform designed to distribute and manage API quotas from AI product subscriptions (like Claude Code $200/month). Users can access upstream AI services through platform-generated API Keys, while the platform handles authentication, billing, load balancing, and request forwarding.
Features
- Multi-Account Management - Support multiple upstream account types (OAuth, API Key)
- API Key Distribution - Generate and manage API Keys for users
- Precise Billing - Token-level usage tracking and cost calculation
- Smart Scheduling - Intelligent account selection with sticky sessions
- Concurrency Control - Per-user and per-account concurrency limits
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