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Kinvolved vs PostGrid

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KinvolvedCommunication APIs
PostGridCommunication APIs
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Price
Usage-based

Communication APIs

Annual estimate10 people, entry price
Usage-based
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Communication APIs

Overview
Focus
Communication APIs
Communication APIs
Product
K-12 family engagement software (now part of PowerSchool) focused on attendance interventions.
PostGrid automates direct mail with address verification, template customization, and mail tracking APIs, integrating with CRMs and business platforms for automated workflows.
Headquarters
New York, New York
Toronto, Canada
Company size
11-50 employees
51-200 employees
Founded
2012
2018
Pricing details
Published rate
Usage-based
Source updated
Oct 29, 2026
Oct 30, 2026

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Communication APIs