The add-on store for Rezlynx — from £20/month
Buy ready-made modules that extend what your Rezlynx subscription covers: distribution, pricing intelligence, guest messaging and analytics — connected entirely through the official Guestline Rezlynx API.
Best-selling add-ons
Why properties on Rezlynx buy here
Official-API discipline
Scoped keys minted inside your Rezlynx settings; we hold no passwords and touch no core configuration.
Works beside native tools
Add-on licences complement whatever Guestline native modules you already license — never replace them.
Month-by-month licences
Cancel at any month boundary from the client area; sterling invoices with VAT issued instantly.
Leeds-based desk
Answers from senior engineers who test against Guestline release notes before they ship.
No lock-in
Revoke the key anytime; data deletion follows the documented schedule within 30 days.
UK compliance posture
ICO-registered controller of customer data, strict processor duty on guest records.
Add modules to your Rezlynx in three steps
Generate a key in Rezlynx
Sign in to your Rezlynx environment, open Settings → Integrations/API keys, mint a scoped credential and copy it.
Register it here
Paste the key in your client area activation form — validated against a harmless read-only handshake before anything goes live.
Pick licences and activate
Choose modules, complete payment by emailed secure link, and we flip activation after one supervised test cycle.
Photos are illustrative of deployment environments.
Ready to extend your PMS?
Pick a module, connect your API key and go live this week.