Postmarkr is a SaaS platform that turns PDF uploads into physical USPS mail. Built on Next.js, Stripe, and Lob APIs. Integrates address verification, real-time USPS tracking, and pay-per-piece billing with no subscription required.
Postmarkr is a tool in the API Tools category of a tech stack.
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ShipStation is a web-based software designed to help eCommerce retailers process, fulfill, and ship their orders from all the most popular marketplaces and shopping carts using all the top carriers.
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