Does it work with the free HubSpot CRM?

Yes. The integration works across every HubSpot tier, including the free CRM. You get the same enrichment either way.

Will it overwrite my existing data?

By default Cleanlist only fills empty properties. You can choose to overwrite, append, or skip on a per-field basis when you map your sync.

How are credits used?

Syncing is unlimited; you only spend credits on the records you actually enrich. Most teams run a one-time cleanup, then enrich new contacts going forward. Plans start at $79/mo for 1,500 credits, with 25% off annual.

How accurate is the data Cleanlist writes to HubSpot?

Cleanlist's 25+ provider waterfall is built to a 98% verified work email and 85% direct dial spec, and every address is validated with syntax, DNS/MX, and SMTP checks before it reaches a HubSpot property. Catch-all and risky addresses are flagged rather than passed through silently.

Enrich every HubSpot contact and company, automatically.

Cleanlist enriches every HubSpot contact and company through a 25+ provider waterfall that verifies 98% of work emails and finds 85% direct dials, then writes the results straight back to your properties. Connect in one click with OAuth, pick a list or your whole database, and skip the CSV exports and manual research. When one provider has no match, the next one in the cascade takes over, which is why HubSpot records come back more complete than a single-source tool leaves them.

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OAuthAuthorize once from Cleanlist. There is nothing to install inside HubSpot.

Two-way syncRead, enrich, write back into the same record.

9 fieldsWritten into HubSpot, mapped one to one, and listed in full below.

Every field Cleanlist writes into HubSpot

Cleanlist reads the record, enriches it, and writes the result back into HubSpot. Nothing leaves HubSpot permanently, and disconnecting stops future writes without removing what is already there.

CleanlistHubSpotTwo-way sync

Cleanlist field	HubSpot object	HubSpot field
Verified work email	Contact	Email
Direct dial & mobile	Contact	Phone number, Mobile phone number
Job title & seniority	Contact	Job title
Company & domain	Company	Name, Company domain name
Industry	Company	Industry
Employee count	Company	Number of employees
LinkedIn URL	Contact	LinkedIn URLcustom
ICP score	Contact	Cleanlist ICP scorecustom
Custom AI columns	Contact, Company	Any property you mapcustom

Objects Contacts, Companies, Deals, Lists

custom A field you create once in HubSpot and pick during mapping. Everything else is stock.

Overwrite Empty fields only by default. Overwrite, append or skip is set per field.

Mapping Cleanlist fields to HubSpot contact properties during export

What you can do with Cleanlist and HubSpot

Verified contact data, enriched across 25+ sources, flowing into the tool your team already lives in.

Enrich on import
Pull a list, a view, or your whole database into Cleanlist, enrich it, and sync the verified results back to HubSpot.
Fill the gaps HubSpot leaves
Find the missing emails and direct dials, verify the addresses you already have, and standardize titles and company names.
Score and segment
Write ICP scores and custom AI columns to HubSpot properties so reps can build segments and prioritize the right accounts.

What reaches HubSpot has already been verified.

Each record walks a 25+ provider waterfall in cost order. Addresses are checked at the syntax, domain and mailbox level before anything is written, and catch-all or risky results are flagged rather than passed through quietly.

HubSpot integration walkthrough

98%Verified work email on a 500-lead stratified benchmark.

85%Direct dial on that same 500-lead test.

25+Providers queried in cost order on a single lookup.

0 creditsSearch is free and unlimited. An email is 1, a direct dial 10, both 11, validation 0.5. A miss costs nothing.

How it works

Authorize once, choose what to enrich, and the results land in the fields above.

01
Connect HubSpot
Authorize Cleanlist with OAuth. No API keys, no setup call.
02
Choose what to enrich
Pick a list, a saved view, or your full database, and select the properties you want filled.
03
Sync back
Cleanlist writes verified data to HubSpot and keeps new records enriched as they come in.

HubSpot integration FAQ

Does it work with the free HubSpot CRM?
Yes. The integration works across every HubSpot tier, including the free CRM. You get the same enrichment either way.
Will it overwrite my existing data?
By default Cleanlist only fills empty properties. You can choose to overwrite, append, or skip on a per-field basis when you map your sync.
How are credits used?
Syncing is unlimited; you only spend credits on the records you actually enrich. Most teams run a one-time cleanup, then enrich new contacts going forward. Plans start at $79/mo for 1,500 credits, with 25% off annual.
How accurate is the data Cleanlist writes to HubSpot?
Cleanlist's 25+ provider waterfall is built to a 98% verified work email and 85% direct dial spec, and every address is validated with syntax, DNS/MX, and SMTP checks before it reaches a HubSpot property. Catch-all and risky addresses are flagged rather than passed through silently.