What is an API Integration? How Contractors Use APIs to Connect Field Service and ERP - Pixis Software
We started out consulting for Master Builder (now Sage 100 Contractor) and we soon discovered a need for custom integrations. Over the years we also learned Sage 300 CRE and partnered with other software companies to develop integrations with their software. We have also expanded our offerings to include stand alone custom desktop, web, and mobile applications.

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What is an API Integration? How Contractors Use APIs to Connect Field Service and ERP

To Pixis Software, an API means using data to create experiences that make your life easier, streamline your processes, and expand your business.

You’ve probably heard that connecting ServiceTrade to Sage or BuildOps to Acumatica requires an “API integration.” But what does that actually mean — and why does it matter?

What an API Is

API stands for Application Programming Interface. Think of it as a structured door that a software system opens so other software can exchange data with it. ServiceTrade has an API. Sage 100 has an API. Acumatica has an API. When those APIs are used to move data between systems automatically, that’s an API integration.

Why APIs Matter for Contractors

Before APIs were standard, connecting two software systems required custom database connectors, file exports, or middleware that required a server on your network. Modern contractor platforms — ServiceTrade, BuildOps, CoreLogic DASH, Rhumbix, Acumatica — all have REST APIs that allow software to read and write data securely over the internet without installing anything on your network.

This means integrations are faster to build, easier to maintain, and more reliable than the file-based approaches that were common 10 years ago.

What “Managed API Integration” Means

Building the API connection is one step. Maintaining it is another. APIs change when platforms release updates. Data schemas evolve. Authentication methods expire. A managed integration — like PixisSync — means someone is monitoring the connection and handling those changes before they cause data errors or outages.

API Integration in Practice: What It Looks Like for Contractors

When a technician completes a job in ServiceTrade and the invoice is approved, PixisSync’s API integration does this automatically:

  1. Reads the invoice data from ServiceTrade’s API
  2. Maps it to the right format for Sage 100’s API
  3. Posts the invoice to Sage AR via Sage’s API
  4. Confirms the post and logs it

That entire process takes seconds and happens without anyone on your team doing anything.

Which Contractor Platforms Have APIs?

All of the major ones: ServiceTrade, BuildOps, CoreLogic DASH, Rhumbix, Paylocity, Acumatica, Sage 100 Contractor, Sage 300 Construction, Viewpoint Vista, Viewpoint Spectrum, Foundation, Sage Intacct. PixisSync supports integrations across all of these. See all integrations we support.

Schedule a free consult to discuss your API integration needs.