HubSpot can hold years of CRM history, lifecycle data, forms, imports, and sales activity. That makes email quality an operational data problem as much as a campaign problem. Proofy can be used as a verification layer before addresses enter important HubSpot workflows or before older CRM segments return to active sending.
Workflow 1: Verify an Existing HubSpot Segment
- Export the relevant contacts with the fields needed to match results back to HubSpot.
- Preserve unsubscribe, suppression, lifecycle, deal, and activity history.
- Run the email column through bulk email verification.
- Review the verification status and substatus.
- Write the result into a dedicated HubSpot property or use it to control campaign eligibility without deleting CRM history unnecessarily.
Workflow 2: Verify New Contacts in Real Time
For forms, lead ingestion, custom enrichment, or application workflows, call the Proofy Email Verification API when the address is collected or before it triggers downstream email.
A common architecture is:
form or source → Proofy REST API → status decision → HubSpot → lifecycle workflow
The API is language-agnostic because any environment capable of HTTPS requests can use it.
Store Verification Status Separately
Use a dedicated CRM property rather than replacing HubSpot's own marketing, bounce, or subscription fields. This keeps technical address status separate from lifecycle and permission state.
For example, an integration may store:
- verification status;
- substatus where useful;
- verification timestamp;
- source or workflow name.
Sequence and Campaign Eligibility
Use verification status as one input, not the only input. A technically Valid address may still be unsubscribed or inappropriate for a particular outreach sequence. A Risky or Unknown result may need separate handling rather than automatic deletion.
Preserve CRM History
Deleting a contact can remove valuable sales, support, or attribution context. In many workflows, suppression, status fields, or controlled exclusion are more useful than destructive deletion.
When Re-Verification Makes Sense
Re-check when the data is old, a dormant segment is being reactivated, a migration or import introduces uncertain provenance, or delivery behavior suggests address-quality problems. Avoid a fixed universal monthly or quarterly rule.
Verification and Consent Are Different
Proofy evaluates address-related technical signals. It does not prove that the person gave permission for marketing, that the CRM profile belongs to a particular individual, or that outreach is appropriate in every jurisdiction.
Common HubSpot Verification Mistakes
- deleting CRM records solely because an address is currently invalid;
- treating Risky as automatically safe or automatically bad;
- overwriting unsubscribe or subscription state with verification data;
- assuming one verification remains permanent;
- using verification as a replacement for permission controls;
- forcing every HubSpot workflow through the same risk policy.
For a similar audience-oriented workflow, see Proofy + Mailchimp. For sales sequencing, see Proofy + Close CRM.
Frequently Asked Questions
Can Proofy verify HubSpot form submissions before they enter automations?
Yes, when the form-processing or integration layer calls the Proofy REST API before downstream automation is triggered.
Should Invalid contacts be deleted from HubSpot?
Not necessarily. Many teams preserve the record for deal, support, or attribution history while excluding the address from sending.
Does a Valid result mean the contact should receive outreach?
No. Validity and outreach eligibility are separate decisions.
Bottom Line
Use Proofy with HubSpot as a data-quality layer: verify imports in bulk, check new addresses through REST workflows, store status in a dedicated property, preserve CRM history, and keep marketing permission separate from technical verification.



