Develop for Sage CRM Work with data in Sage CRM via RESTful API. Visit website Documentation Get started How to start using the Sage CRM RESTful API. RESTful API reference Sage CRM 2021 R1 API endpoints available in Sage CRM 2021 R1. Sage CRM 2020 R2 API endpoints available in Sage CRM 2020 R2. Sage CRM 2020 R1 API endpoints available in Sage CRM 2020 R1. Sage CRM 2019 R2 API endpoints available in Sage CRM 2019 R2. What's new 2021 Monday 1 Feb 2021 Sage CRM 2021 R1 has been released For information about resources exposed via the RESTful API, see Sage CRM 2021 R1 RESTful API reference. For detailed release documentation, visit the Sage CRM Help Center.