API Integration

Connect Any API Without Code

Integrate any external service into your app without coding. Connect to APIs, fetch data, and automate workflows by simply describing what you need.

No coding required Database included Deploy instantly

Key Takeaways

  • Connect to any REST API by describing the integration you need in plain language
  • Pre-built connectors for popular services like Stripe, SendGrid, and social platforms
  • API credentials are stored securely and never exposed to client-side code
  • Webhook endpoints are generated automatically for receiving events from external services
  • Error handling, retry logic, and rate limiting are built into generated API integrations
  • TypeScript types are generated for API responses, providing compile-time safety

Everything You Need to Build

Easy Connection

Connect to APIs by describing what you need. No code required.

Popular Services

Pre-built connectors for Stripe, Mailchimp, Slack, and more.

Secure Credentials

API keys stored securely and never exposed to clients.

Webhooks

Receive events from external services automatically.

Automation

Trigger actions based on events from connected services.

Custom APIs

Connect to any REST API with simple configuration.

How It Works

1

Choose Service

Pick from popular services or add any custom API.

2

Configure

Add your API key and configure settings.

3

Use in App

Describe how you want to use the API in your app.

4

Automate

Set up triggers and actions for automatic workflows.

In-Depth Guide

Connecting External APIs: How AI Simplifies Integration Development

Modern web applications rarely exist in isolation. They need to send emails, process payments, store files, send notifications, and connect to dozens of third-party services. Each integration traditionally requires reading API documentation, handling authentication, managing rate limits, implementing error handling, and writing serialization code. Fabricate reduces this process to a single natural language description.

The AI understands the patterns behind API integration and generates complete client code for any REST API. When you describe what you need, Fabricate creates typed API clients with proper authentication headers, request serialization, response deserialization, error handling, and retry logic. The generated code is structured to be maintainable and follows the adapter pattern for easy swapping of providers.

Security is paramount when working with external APIs. Fabricate stores API credentials as environment secrets on Cloudflare Workers, ensuring they are never bundled into client-side code or exposed through version control. The AI generates server-side proxy endpoints that make API calls on behalf of the client, keeping credentials completely isolated from the browser.

Webhook handling is a common requirement for event-driven integrations. When external services need to notify your application about events like successful payments, new form submissions, or status changes, Fabricate generates webhook endpoints with proper signature verification, idempotent event processing, and error recovery. The generated handlers follow best practices for each specific service's webhook format.

For complex integrations that combine multiple services, Fabricate generates orchestration logic that coordinates between APIs. For example, building a notification system that sends emails via SendGrid and push notifications via a separate service involves coordinating multiple API calls with proper error handling for partial failures. The AI generates this orchestration code with appropriate fallback logic.

API Integration Architecture in Fabricate

Fabricate generates API integrations using a layered architecture with typed clients, server-side proxies, and secure credential management. The API client layer provides typed methods for each endpoint, with request and response interfaces generated from API documentation or inferred from usage patterns.

Credentials are managed through Cloudflare Workers environment secrets, bound to your Worker at deploy time. The AI generates server-side API routes that act as proxies between your frontend and external APIs, preventing credential exposure. Each proxy endpoint includes request validation, response transformation, and error mapping to your application's error types.

Rate limiting is implemented at the proxy layer to prevent exceeding API provider limits. The generated code tracks request counts per time window and queues or rejects requests that would exceed limits. For APIs with complex rate limiting schemes like sliding windows or tiered limits, the AI generates appropriate throttling logic.

Webhook endpoints use provider-specific signature verification to prevent spoofed requests. For Stripe, this means validating the Stripe-Signature header with your webhook secret. For GitHub, it verifies the X-Hub-Signature-256 header. Each webhook handler processes events idempotently using event ID tracking to prevent duplicate processing.

Fabricate vs Traditional Development

See the difference in workflow, speed, and results.

Integration Time

Traditional

Hours to days per API reading docs, implementing auth, and handling edge cases

With Fabricate

Minutes per integration from a natural language description

Credential Security

Traditional

Manual environment variable management with risk of accidental exposure

With Fabricate

Automatic server-side credential management with zero client exposure

Error Handling

Traditional

Manual implementation of retries, timeouts, and error mapping for each API

With Fabricate

Generated error handling with retries, rate limiting, and typed error responses

Type Safety

Traditional

Manual TypeScript type creation from API documentation or response inspection

With Fabricate

TypeScript interfaces generated automatically for all API requests and responses

Webhook Processing

Traditional

Manual endpoint creation with signature verification and idempotency logic

With Fabricate

Complete webhook handlers with provider-specific signature verification generated automatically

What You Can Build

Email Marketing - Send emails via Mailchimp, SendGrid
Analytics - Track events to Segment, Mixpanel
Communication - Send Slack or Discord notifications
Storage - Upload files to S3, Cloudinary
AI Services - Connect to OpenAI, Claude APIs
Custom APIs - Any REST API you need

Build an Email Notification System

Fabricate generates SendGrid integration with typed email templates, server-side sending functions, webhook handlers for delivery tracking, and trigger logic connected to your application events.

Fabricate Prompt

Add email notifications to my app using SendGrid. Send welcome emails on signup, weekly digest emails, and transactional emails for order confirmations.

I needed to integrate five different APIs for my project: Stripe, SendGrid, Cloudinary, Algolia, and a custom CRM. Fabricate generated all five integrations with proper error handling in a single session. Each one would have taken me a day to build manually.

Alex Thompson

Technical Lead

Frequently Asked Questions

What APIs can I connect?

Any REST API. We have pre-built connectors for popular services and support for custom APIs.

Are my API keys secure?

Yes. Keys are encrypted and stored securely, never exposed to the client side.

Can I receive webhooks?

Yes. Create webhook endpoints to receive events from external services.

Do I need to write code?

No. Describe what you want and Fabricate handles the integration.

Ready to Start Building?

Join thousands of creators building with AI. No coding required. Start free today.