Documentation
Everything you need to set up, manage, and extend Siren.
Last updated: April 8, 2026
Welcome to the Siren documentation
Siren is an incentive program management system for WordPress. It 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.
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
Domain models, datastores, and the end-to-end attribution pipeline.
Developer 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.
Migration overview →