Docs
Build on Rentlica car rental software
Interactive API reference, webhooks, and integration guides for rent-a-car companies and technology partners.
Rentlica's developer documentation covers authentication, webhooks, REST endpoints, and integration patterns for car rental companies and software partners. Use the guides below to onboard a workspace, explore the interactive OpenAPI reference, and subscribe to webhook events that keep OTAs, CRMs, and internal tools aligned with bookings, hire cars, and rental agreements in real time.
Getting started
Spin up a workspace, import your fleet, and send your first booking.
Read guide →API reference
Every endpoint, parameter, and response - interactive and always up to date.
Open API reference →OTA partner channels
OpenTravel XML integration for car hire brokers — endpoints, authentication, message types, and setup.
Read OTA guide →Webhooks
Subscribe to real-time events for bookings, vehicles, and agreements.
Set up webhooks →Authentication
How API keys and Clerk-based auth work across the platform.
Learn auth →SDKs
Official and community SDKs for JavaScript, PHP, and Python.
Browse SDKs →Patch notes
Ship log for Rentlica — new features, fixes, and breaking changes by version.
Read patch notes →Ready to modernise your car rental operation?
Start your 7-day free trial of Rentlica — rent-a-car software with no credit card, no setup fees, and no surprises.