Systems | Development | Analytics | API | Testing

Regression Testing vs Integration Testing: Key Differences

Here is a situation most backend teams have lived through. A developer changes how the user service formats dates. It is a tiny change: one line, a cleaner ISO format, every unit test still green. The pull request gets approved in five minutes. Two days later, the billing service starts failing to generate invoices, because it was still expecting the old date format from the user service. Two kinds of testing could have caught that, and they are the subject of this post.

Real Estate Data Integration: How Property Managers Can Connect PMS, ERP, CRM, and Other Systems

A tenant gives notice. The property management system (PMS) records the lease change, but the website may continue to show the unit as unavailable until its next update. Maintenance may receive the turnover request by email, while finance adjusts the ledger during month-end reconciliation. These gaps can reflect missing connections, delayed synchronization, or differences in how systems process and interpret updates.