World’s First Embedded API Gateway

Embedded API Gateway

Effortless API Management—No Reverse Proxy Required

UsageFlow runs inside your service—auto-discovering APIs and applying rate limits in real time. No proxies, no extra infra—just blazing-fast performance.

Why Choose UsageFlow?

Traditional API gateways are complex, slow, and add unnecessary infrastructure. UsageFlow eliminates the proxy, reducing overhead while keeping all API security and governance features.

Zero Config Setup

No need to manually define routes; we map everything automatically.

Dynamic Rate Limiting

Set limits by IP, auth token, header, query params, or request body.

Real-Time Monitoring

Second-by-second insights into API usage and attack patterns.

Deep API Forensics

Investigate API behavior, request history, and suspicious activity.

Plug & Play Compatibility

Works with Python (Flask, FastAPI), Node.js (Express, Fastify, NestJS), and Go (Gin).

Freemium & SaaS Tier

Start with a freemium model and scale with our SaaS tier. Enjoy a pay-as-you-go pricing structure that fits your needs.

Frequently Asked Questions

Unlike traditional API gateways, UsageFlow does not require complex manual setup. It automatically discovers API endpoints and applies intelligent rate limits and security rules in real-time. This means less configuration, faster deployment, and better protection.

Yes! UsageFlow supports dynamic rate limits based on:

IP Address
Authentication Token
Headers
Query Parameters
Request Body

You can define custom rules per user, API, or even based on behavior patterns.

UsageFlow works seamlessly with:

Golang (Gin)
Node.js (Express, NestJS, Fastify)
Python (Flask, FastAPI)

More integrations are coming soon!

UsageFlow provides flexible options to handle rate limit violations:

Throttle requests (slow down response time)
Block requests (return an error)
Trigger alerts for investigation of suspicious behavior

You can customize these responses based on your needs.

No! You can start with just a $4 server and scale as needed. Unlike traditional API gateways that require dedicated infrastructure, UsageFlow is designed to be lightweight and efficient.

Our architecture ensures minimal overhead while providing maximum protection and insights.

Integrate in Minutes, Not Days

No complex setup or configuration required. UsageFlow automatically discovers your API endpoints and applies rate limiting, monitoring, and security—without changing your existing code. Just install the package, add minimal configuration, and you're ready to go.

99.99%

Uptime Guarantee

500M+

Monthly Requests Protected

<50ms

Average Latency

Ready to Transform Your API Management?

Join developers who are discovering how UsageFlow can efficiently manage their API requests.