All your AI.One unified key.
No need to manage multiple subscriptions. Access Claude, GPT, Gemini and more with a single API key
One key,
unlocks every major model.
No need to apply for or maintain multiple subscriptions. Sub2API unifies Claude, GPT, Gemini and more behind a single standards-compatible API — integration takes just a few lines of code.
A dependable
intelligent scheduling engine.
Automatic load balancing and failover across multi-account pools, session-level sticky routing, per-token real-time billing — everything is tuned so each request runs on the optimal path.
Session Persistence
The same session is pinned to the same account, preserving context memory and multi-turn dialogue state.
Account Pool Scheduling
Quota, rate limits, and health are detected intelligently, and abnormal accounts are removed automatically.
Real-time Billing
Precise per-token metering, minute-level bill updates, and quota caps are supported.
Observable Out of the Box
Request-level logs, model usage dashboards, and anomaly alerts are built in.
Two choices,
the difference is clear.
- ×PricingFixed monthly fee, pay even if unused
- ×Model SelectionSingle provider only
- ×Account ManagementManage each service separately
- ×StabilitySingle account rate limits
- ×Usage ControlNot available
- ✓PricingPay only for what you use
- ✓Model SelectionSwitch between models freely
- ✓Account ManagementUnified key, one dashboard
- ✓StabilityMulti-account pool, auto-failover
- ✓Usage ControlQuotas & detailed analytics
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