UsageFlow turns your existing APIs into billable products — automatically. No code changes, no redeploys, and real-time enforcement at the gateway level.
APIs are the new product surface. Whether you run a SaaS platform, data API, or AI gateway, tracking and charging for usage is the foundation of sustainable growth.
But most tools only tell you what users did — they don't control it in real time.
UsageFlow changes that.
| Feature | Other Solutions | UsageFlow |
|---|---|---|
| Implementation |
Requires developer integration and code changes
|
Zero code — install our middleware and you're done
|
| Data Collection |
Post-hoc usage tracking
|
Real-time request-level tracking
|
| Enforcement |
None (informational only)
|
Enforce rate limits, quotas, and token policies
automatically
|
| Discovery |
Manual endpoint setup
|
Automatic endpoint discovery
|
| Monetization |
Requires pricing logic in code
|
Configure dynamic usage-based pricing instantly
|
| Architecture |
Observability layer
|
Control layer with built-in metering and
monetization
|
UsageFlow doesn't just monitor — it governs. When tokens run out or limits are exceeded, requests are blocked immediately, ensuring fair use and preventing abuse.
Add one line to your Go, Node.js, or Python service
UsageFlow maps all endpoints in real time
Track requests, tokens, and users automatically
Apply per-endpoint pricing and identity policies
Enforce dynamic limits and monetize usage instantly
Add UsageFlow once; no redeploys needed. Works with your existing stack without code changes.
Enforce limits and control abuse automatically. Real-time enforcement with sub-millisecond latency.
Configure pricing, subscriptions, and metering without touching code. Dynamic changes in real-time.
Sub-millisecond latency for instant control and decision-making
Works with Stripe Metering for instant billing integration
Built for high-volume API traffic with minimal overhead
Go, Node.js, Python, Flask, FastAPI, Express, NestJS
Built on top of the proven UsageFlow Gateway core
2-4x faster than traditional API gateways (100-200ms)
Other solutions tell you what your users did.
UsageFlow controls what they can do.
With real-time usage metering, automated endpoint discovery, and built-in monetization, UsageFlow is the fastest way to turn your API into a business.