Build with Apertis
One API key for 470+ models across 30+ providers. Smart routing, auto-failover, and free prompt caching built in.
Quickstart
Get Started
Make your first API call in minutes with our OpenAI-compatible endpoint.
Start building
470+ models
Every Model, One API
Access OpenAI, Anthropic, Google, Meta, and more through a single API key.
Browse models
OpenAI-compatible
API Reference
Integrate with our SDK. Compatible with OpenAI and Anthropic client libraries.
View API docs
Integrations
Built for Coding Agents
Purpose-built for Claude Code, Cursor, Cline, and other coding tools.
Connect now
Save up to 50%
Flexible Pricing
Subscription plans with fixed quota per request, or pay-as-you-go per token.
View plans
Try it live
Playground
Test any model in your browser. No setup required.
Open playground