Add AI to Your App in Minutes
LangStack is an LLM proxy service that lets you integrate AI into mobile and web apps without building a backend. Simple API, multiple providers, pay-as-you-go pricing.
Why LangStack?
🚀 No Backend Required
Call AI directly from your iOS, Android, or web app. We handle authentication, rate limiting, and provider management.
🔄 Multiple Providers
Access OpenAI, Anthropic, Google, and more through a single API. Switch providers without changing your code.
💰 Pay As You Go
Only pay for what you use. No monthly minimums, no hidden fees. Start free and scale as you grow.
How It Works
1
Sign Up
Create an account and get your API key in seconds.
2
Integrate
Add a few lines of code to your app. Works with any language or framework.
3
Ship
Deploy your AI-powered app. We handle the infrastructure.
Ready to Get Started?
Join developers who are building the future of AI-powered applications.