Seamless becomes a contact data source for HubSpot's Prospecting Agent

Seamless announced on June 30, 2026 an integration with HubSpot's Prospecting Agent that lets users find net-new contacts from inside HubSpot. The release lists uses including sourcing contacts at accounts showing buying activity, identifying the right persona for a sales play, filling missing decision-makers in existing CRM accounts and enrolling new contacts in agent-led outreach. The integration is live in the Prospecting Agent beta contact sourcing flow and requires HubSpot Credits.

The details

• The integration uses OAuth authentication and the Seamless API for contact search.
• Seamless says the integration keeps its data separate and blocks it from entering HubSpot's commercial dataset.
• Setup runs through Sales, then Prospecting Agent, then Integrations, where users select Seamless and connect.
• Messaging can be personalized with HubSpot CRM context alongside the sourced contact data.
• Jake Phillips, VP of Product and Technology at Seamless, is quoted in the release.

Context

The integration came two weeks after Seamless added AI Campaigns to its Connect product for prompt-based outreach, and it places Seamless contact data inside the HubSpot Prospecting Agent workflow, where it is used alongside HubSpot CRM context. On the same day, June 30, 2026, Warmly announced it had agreed to be acquired by HubSpot. The Seamless news index lists the item under June 23, while the release itself is dated June 30.

Not disclosed

• Credit consumption rates
• Seamless subscription requirements