Build with Apertis

One API key for models across leading providers. Smart routing, auto-failover, and free prompt caching built in.

Make your first API call in minutes with our OpenAI-compatible endpoint.

Access OpenAI, Anthropic, Google, Meta, and more through a single API key.

Integrate with our SDK. Compatible with OpenAI and Anthropic client libraries.

Purpose-built for Claude Code, Cursor, Cline, and other coding tools.

Subscription plans with fixed quota per request, or pay-as-you-go per token.

Test any model in your browser. No setup required.