Ratelimitly Documentation

Ratelimitly is a hosted rate-limiting service. This is the documentation hub for the wire protocol and every published client library.

Protocol

• Wire protocol specification — the normative spec: PDUs, TLVs, authentication, guards, and deduplication.

Client libraries

Client	Documentation	Repository
C	docs	rl-c-client
nginx module	docs	rl-nginx
Rust	docs	rl-rust-client
Python	docs	rl-python-client

Java, Spring, and JavaScript clients are coming soon.

Elsewhere

• Ratelimitly portal — sign up, manage API keys, and view usage.
• All repositories — install instructions, examples, and signed releases live with each client.