The 300Sync Blog
Insights on HubSpot integrations, data sync, and vertical SaaS — from the people building the integrations.
The Complete Guide to HubSpot Custom Objects for Vertical SaaS
HubSpot's standard objects — contacts, companies, deals — weren't built for dental practices or insurance agencies. Custom objects are the solution. Here's how to use them without making a mess.
Marcus Chen
Head of Integrations
January 28, 2026
8 min read
Data Mapping Best Practices for Multi-System Integrations
The most common cause of broken integrations isn't API limits or authentication — it's bad field mapping decisions made in the first week. Here's how to get it right from the start.
Marcus Chen
Head of Integrations
January 8, 2026
9 min read
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