Cleaner data. Smarter Outreach. All in one place.
Stop wasting time on outdated information. Introducing Appends—our new data enhancement feature that cleans, completes, and enriches your donor records.
See it in action in iWave
A smarter way to prepare your data for outreach.
Donors are constantly on the move—new homes, new jobs, new emails. Within 12–18 months, up to 30% of your database is outdated.Many nonprofits patch this with costly one-off file cleanups or multiple vendors.
Appends works with iWave’s trusted data sources to fill in the gaps, giving you a complete, campaign-ready view of your donors in a single step.
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Seamless integration with iWave
Appends is built directly into iWave, eliminating the need for extra tools or manual processes. Access clean, complete donor profiles without leaving your prospect research workflow.
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Trusted, verified sources
Powered by USPS-verified NCOA data and address standardization. Every address and contact is accurate, current, and deliverable, giving you confidence in every outreach.
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Save time, maximize impact
Whether you're managing a small team or a large database, Appends automates data enhancement, saving hours of manual work. Focus on what matters—building relationships and driving results.
Append optionsavailable:
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Address Standardization
Improve your mailer deliverability and campaign accuracy. Appends automatically cleans and standardizes address information before you screen, ensuring your records are ready for outreach.
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Change of Address (NCOA)
Avoid sending mail to the wrong place. This feature automatically updates records with USPS-verified moves from the last 48 months, keeping your database current and reducing waste.
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Phone Number
Appends expands your contact pool, improves connect rates, and helps secure more successful donor conversations with verified mobile numbers to connect beyond email
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Email Appends
Don’t let a missing email hold you back. Appends adds email addresses with high accuracy, boosting the success of your digital campaigns and communications.
Ready to add Appends to your iWave toolkit?
Appends is trusted by fundraising professionals to save time, improve data quality, and boost campaign results.
Book an iWave demo to learn more