One API. Every AI Model.
Access 15+ AI providers through a single API, and give your agents live web context (scrape a page, crawl a site, pull structured data) on the same key. OpenAI-compatible, pay-per-use credits, real-time streaming. No subscriptions, no vendor lock-in.
Supported Providers
Everything you need to integrate AI
A single API key unlocks every major AI model. No more managing multiple provider accounts.
Unified API
One API format compatible with OpenAI's SDK. Switch between providers by changing the model name.
Pay-Per-Use Credits
No monthly subscriptions. Buy credits and pay only for what you use. Transparent pricing with no hidden fees.
Streaming Support
Full Server-Sent Events streaming support for all chat completion models. Real-time token delivery.
15+ Providers
OpenAI, Anthropic, Google, Mistral, DeepSeek, Groq, Together, Fireworks, Cohere, Perplexity, and more.
Web Context for AI
Give models live web context on the same key: read a page, crawl a site, or pull structured data (Amazon, Crunchbase, and more). Clean, LLM-ready.
Smart Routing & Failover
Requests route to the best available provider, with automatic fallback if one is down, so a single provider outage doesn't take your app with it.
Simple to integrate
Drop-in replacement for OpenAI. Just change the base URL and API key.
const response = await fetch("https://api.apexapi.dev/v1/chat/completions", {
method: "POST",
headers: {
"Authorization": "Bearer ak-your-api-key",
"Content-Type": "application/json",
},
body: JSON.stringify({
model: "anthropic/claude-opus-4.8",
messages: [{ role: "user", content: "Hello!" }],
stream: true,
}),
});Context for AI
Give your agents live web context
Not just models. Read the web on the same key. Clean, LLM-ready output, billed per use, failures free.
Start building with AI today
Create an account, add credits, and make your first API call in under 2 minutes.