Master Inbox
All integrations
Lemlist logoSends
Master InboxRoutes the reply
HubSpot logoCloses

Connect Lemlist with HubSpot

Lemlist sends. HubSpot closes. The replies in between get lost.

Get onboarded freeFree 7-day POC. No commitment.

Master Inbox is the router in the middle

Lemlist pioneered multichannel outreach across email, LinkedIn, and calls with deep personalization. HubSpot is the CRM most outbound teams close in, by a wide margin. The gap is the replies: they scatter across mailboxes, and getting them into HubSpot means a rep copying threads by hand, if they remember at all. Master Inbox is the router in the middle. It catches every reply from Lemlist, including the forwards and out-of-office Lemlist never surfaces, tags it by intent, and syncs the contact, conversation, and stage straight into HubSpot. Reps work one inbox; HubSpot fills itself with warm leads.

What you can do

  • Every Lemlist reply becomes a HubSpot contact with the full thread attached
  • Interested replies mapped to the right HubSpot stage automatically
  • Reply from Master Inbox, logged to HubSpot, with zero double entry
  • Stop Lemlist from emailing prospects already active in HubSpot

How the Lemlist to HubSpot flow gets set up

  1. 1Connect the LinkedIn accounts Lemlist runs onAdd the LinkedIn accounts behind your Lemlist outreach. Every conversation threads into the same inbox as your email replies, per prospect.
  2. 2Connect HubSpotIn Settings, open Integrations and connect HubSpot. Contacts, conversations, and reply tags sync automatically from then on.
  3. 3Map labels to HubSpot stagesChoose which reply labels (interested, pricing, referral) create or update HubSpot records and which pipeline stage each one lands in.
  4. 4Go live with white-glove onboardingOnboarding is done with you, not handed off to docs: we wire the Lemlist to HubSpot flow on your real inboxes during the free 7-day POC.
The integrations catalog inside Master Inbox, where Lemlist and HubSpot get connected
The integrations screen in the product: each tool connects from Settings, no engineering required.

Why it matters for outbound revenue teams

The Lemlist-to-HubSpot handoff is where outbound revenue leaks: a hot reply that never makes HubSpot is a deal you already paid for and lost. With Master Inbox in the middle, every Lemlist reply lands in HubSpot in seconds, with context.

OutboundSync makes the rep reply out of HubSpot, which I don’t think they should be doing.
DGDanny G., RevGo

Lemlist + HubSpot FAQs

How does Master Inbox connect Lemlist and HubSpot?

It reads replies from your Lemlist mailboxes, tags them, and syncs the contact, conversation, and stage into HubSpot, automatically. It's the reply router between the two.

Do reps reply from Lemlist or HubSpot?

Neither. Reps reply from Master Inbox in one place, and the activity is logged to HubSpot without copy-paste.

Does it catch Lemlist replies that never reach HubSpot today?

Yes. Forwards, out-of-office, and new-address replies Lemlist drops are caught and pushed into HubSpot with context.

Can leadership keep living in HubSpot while SDRs work replies here?

Yes. Every conversation and stage change writes back to HubSpot automatically, so the reporting picture leadership already trusts does not change.

Is the in-HubSpot experience an iframe or a native card?

A native app card on the contact record. Once the integration is connected, synced conversations show there and users with connected mailboxes can reply from HubSpot.

Go deeper

Keep reading

Similar pairings

Free 7-day POC

See Lemlist, Master Inbox, and HubSpot working together on your real inboxes.

We wire up the whole flow and onboard your team. If the Lemlist to HubSpot handoff isn't tighter inside a week, you walk. No commitment, no credit card.

Get onboarded free