Plug into what you already run.

Serverless edge platform - wrap any function with a policy.

Full-stack JS framework - one plugin line in the config.

Billing platform - limits follow the customer's subscription tier.

API gateway - install as a pre-routing filter.

Scheduled jobs - give batch workloads their own burst budget.

Database and auth - key limits by authenticated user id.

Typed RPC for Go - native interceptor, no HTTP assumptions.

Python toolkit - ASGI middleware with async evaluation.