Two-Way Sync vs. One-Way: When to Use Each
A practical guide to choosing the right sync pattern for your use case.
Choosing between two-way and one-way sync isn't just a technical decision—it's a business decision that affects data integrity, team workflows, and system complexity.
One-way sync is simpler and should be your default choice when you have a clear system of record. For example, if your ERP is the source of truth for orders and you just need that data visible in HubSpot, one-way sync from ERP to HubSpot is the right call. It eliminates conflict resolution complexity entirely.
Two-way sync is necessary when both systems need to create and update the same records. A common example is when sales reps update contact information in HubSpot, but the finance team updates payment details in NetSuite. Both changes need to flow to the other system.
The key consideration with two-way sync is conflict resolution. What happens when the same field is updated in both systems simultaneously? You need clear rules: last-write-wins, system priority, or field-level ownership.
Our recommendation: start with one-way sync wherever possible, and only implement two-way sync for specific objects and fields where bidirectional updates are a genuine business requirement. This minimizes complexity while meeting your actual needs.
Ready to stop worrying about your integrations?
Schedule a Demo