Integrations hub for nonprofits

Connect your tools and unify your data

Harness brings all your fundraising, marketing, event, and payment tools into one place. With 2,000+ integrations and automatic syncing, your data stays clean, your reporting stays accurate, and your team finally gets a single source of truth.

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Why integrations matter?

Most nonprofits rely on fragmented systems, email tools here, event tools there, donor data scattered between spreadsheets and third-party apps. That leads to duplicates, inconsistent records, and hours of manual cleanup.
Harness Integrations Hub eliminates the chaos.
We connect everything you use into one centralized operating system,
Keeps your data in sync
Ensures every interaction flows directly into your CRM.
Your team works faster, your reports get smarter, and your donor experience stays consistent everywhere.

How it works with Harness

Connect 2,000+ nonprofit tools instantly

From email to events to payment processors, integrate the tools you already rely on.

Centralize all donor activity automatically

Every gift, registration, email interaction, and touchpoint flows into one unified CRM profile.

Reduce manual work and duplicate records

AI-powered enrichment and syncing keep your data clean and accurate.

Sync marketing, fundraising, & reporting

Email Journeys, SMS, Campaign Builder, Checkout, Events, all powered by shared data.

See the full picture in real time

Your reporting dashboards update instantly with data from every connected system.

Keep your existing stack

No forced migrations—bring your tools with you and connect them seamlessly.

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Key benefits

A single source of truth

Eliminate data silos and unify donor activity in one platform.

Cleaner data with less effort

Automatic enrichment and syncing replace manual imports and spreadsheets.

Better reporting everywhere

Dashboards stay accurate because your entire stack updates in real time.

Stronger donor experiences

Personalization improves when all your data lives in one place.

Faster operations

Teams spend less time fixing data and more time fundraising.

Stay flexible without switching tools

Use the tools you love while gaining the intelligence Harness adds on top.

4.8/5

Real partnership, real results

“Harness has let me do more of the fundraising with less team. I've been able to do a similar amount of outreach and data tracking despite missing two full time staff.”
Tor Gudmundsson
Executive Director of Habitat for Humanity of Missoula
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“Harness has been key to our success. I love seeing new donors come through in real time, which lets me connect with those donors immediately.”
Amber Kilawee
Executive Director of Fond du Lac County United Way
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“When I thought maybe we were asking too much, everyone just kept delivering… I couldn't be happier. Daniel and his team really took the reins...”
Sue Eisaguirre
Founder and Executive Director of NatureTrack
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“When I tell other nonprofit organizations in my community about Harness…some of them say ‘It's too expensive to get that.’ And I say it’s too expensive to NOT have it.”
Rachelle Morlok
Founder of Bloom International
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Ready to stay ahead of donor behavior?

Get started today