PostGrid
The #1 Print & Mail API for direct mail automation at any scale.
API Uptime
99.99%
Address Verification
CASS & SERP Certified
About PostGrid
PostGrid offers a comprehensive suite of tools for automating direct mail campaigns through its RESTful API. The platform enables businesses to send various mail formats, including letters, postcards, and checks, directly from their existing applications. Key features include address verification and standardization to reduce undeliverable mail, template management, and real-time tracking of mail pieces. PostGrid is designed for developers and businesses of all sizes, from startups to enterprises, to programmatically send physical mail as easily as sending an email, with use cases ranging from marketing promotions to invoicing and certified mail.
Core Features
Mail Types
Letters, Postcards, Checks, Self-Mailers
Address Verification
CASS/SERP certified address validation API
Tracking
Real-time mail tracking and analytics
Integrations
Zapier, Salesforce, HubSpot, and other native integrations
API Functionality
Api Style
RESTful API
Test Environment
Free sandbox mode available for development
Webhooks
Real-time notifications for mail events