Siren

Documentation

Everything you need to set up, manage, and extend Siren.

WordPress plugin and Siren Cloud

Last updated: October 28, 2026

Siren is an incentive program management system. It runs as a WordPress plugin or as Siren Cloud, hosted for you, and handles the full lifecycle of affiliate, referral, and reward programs, from tracking customer referrals through calculating commissions to paying collaborators.

This documentation covers everything from initial setup through deep technical reference. Pick the section that matches where you are.

Getting Started

New to Siren? Learn what it does and build your first program.

What is Siren? →

Siren Cloud

Siren hosted for you. Create your account, connect your stores, and let people apply to join through application forms.

User Guide

Programs, collaborators, engagements, conversions, and how rewards are calculated.

Core concepts →

Recipes

Pre-built incentive program configurations you can install in one click and customize from there.

Browse recipes →

Developer Reference

Siren’s domain events, what each one carries, and the order they fire in.

Events introduction →

API Reference

REST endpoints for programs, collaborators, conversions, and more.

API intro →

Extension Development

Build your own Siren extensions with custom integrations and strategies.

Architecture overview →

Migrating to Siren

Switching from another affiliate plugin? Guides for AffiliateWP, SliceWP, Easy Affiliate, and Solid Affiliate. Moving a WordPress store to Siren Cloud? See Move a WordPress Site to Siren Cloud.

Migration overview →

Your privacy choices

Account, checkout and chat you request work without optional tracking. Choose whether to allow these other uses on this website.

You can change or withdraw your choices at any time using “Privacy choices.” We remember your choice for 180 days. Read our privacy policy.