Company Info

Sage 100 Contractor REST API

Sage 100 Contractor Cloud Connector Logo
Sage Development Partner
The Sage 100 Contractor REST API is a secure, serverless, cloud based solution enabling businesses to seamlessly integrate external data and applications with Sage 100 Contractor. Whether you’re importing financial transactions, project data, or job costing details, our REST API streamlines your data workflows, reduces manual entry, and ensures accuracy across your systems.

REST API Flow

This powerful API is designed for:

  • Software developers creating cloud or mobile solutions for construction
  • IT teams looking to automate data exchange between systems
  • Consultants and integration partners delivering custom solutions
  • 3rd Party Software Vendors looking to integrate their solutions with Sage 100 Contractor

Sample Use Cases

  • Automatically import daily timesheets from a mobile app into Sage 100 Contractor Job Costing.
  • Integrate Salesforce opportunities with Sage 100 Contractor’s AR module for seamless billing workflows.
  • Schedule nightly imports of vendor invoices from external systems via CSV uploads processed through the API.
  • Develop dashboards that pull real-time Sage data into custom reporting tools or BI platforms.

Key Features

  • RESTful architecture for modern, scalable integrations
  • Secure token based authentication and endpoint level access control
  • Extensive API endpoints covering key Sage 100 Contractor modules
  • Supports multiple company connections for a single customer site


Learn More & Get Started



System Requirements:

  • Sage 100 Contractor version 27.1 or higher (1)
  • SQL Server 2017 or higher (2)

(1) The Cloud Connector dynamically knows what version of Sage is being used and adjusts accordingly starting with Sage version 27.1

(2) Sage 100 Contractor ships with SQL Server Express 2014, if SQL Server Express 2014 is installed it will need to be upgraded to SQL Server Express 2017 or higher. As long as SQL Express is being used there is no additional charge to upgrade and the compatible version can be downloaded and installed for free from Microsoft. If a fully licensed SQL server is installed then there may be additional costs to upgrade the license to a newer version of SQL Server.