Helicone AI Gateway API
The Helicone AI Gateway API provides OpenAI-compatible endpoints for routing requests to 100+ AI models across providers including OpenAI, Anthropic, Google, Groq, and more. It offers a unified API with automatic provider fallbacks, zero markup pricing, built-in observability, intelligent routing, prompt caching, error handling, and image generation support.
Documentation
Documentation
https://docs.helicone.ai/gateway/overview
APIReference
https://docs.helicone.ai/rest/ai-gateway/post-v1-chat-completions
GettingStarted
https://docs.helicone.ai/getting-started/quick-start
Specifications
Other Resources
ProviderRouting
https://docs.helicone.ai/gateway/provider-routing
Models
https://www.helicone.ai/models
OpenAPI
#AI Gateways
#AI Models
#Chat Completions
#LLM Routing