Upstream Integrations: Connect to 40+ Services with AppEngine
Learn how AppEngine acts as an API aggregator, giving you instant access to OpenAI, Stripe, Twilio, and dozens of other services.
⚡ The Power of Upstream Integrations
AppEngine Upstream Integration feature lets you connect to over 40 external services without managing individual API keys or complex configurations.
🌐 Available Integrations
Connect to popular services across multiple categories:
🤖 AI Services
📧 Communication
💳 Payments
📱 Social Media
🔧 How It Works
AppEngine acts as a middleware, handling authentication and API calls to external services.
POST /api/upstream/call/openai/chat
// Request body
{
"messages": [
{
"role": "user",
"content": "Hello! How can I integrate OpenAI?"
}
]
}🏆 Benefits
Single API
One endpoint to access all services
Auto Authentication
We handle all the API keys for you
Error Handling
Built-in retries and fallbacks
Usage Analytics
Track API usage across all services
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About David Park
Backend Engineer
David architects the integration systems that power AppEngine.
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Upstream Integrations: Connect to 40+ Services
Learn how AppEngine acts as an API aggregator, giving you instant access to external services.