address-verification
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Melissa Spent 40 Years Fixing the Customer Data Everyone Else Ignores
The California company started by mailing ZIP-code databases on floppy disks. Four decades later, its pitch is still disarmingly practical: stop a bad address, dead email or duplicate customer before the mistake gets expensive.
EasyPost
EasyPost is a Utah-based logistics technology company that built the first RESTful shipping API, giving developers a single integration point to rate-shop, buy and print labels, verify addresses, track packages and insure shipments across 100+ carriers worldwide. Founded in 2012 by Jarrett Streebin, it removes the technical complexity of shipping so e-commerce brands, marketplaces and fulfillment providers can ship like Amazon without rebuilding carrier plumbing from scratch.
Lob
Lob is a San Francisco-based SaaS company that turns direct mail into programmable infrastructure. Through APIs and an automation platform, marketers and developers send personalized postcards, letters, checks, and self-mailers at scale, with built-in address verification and a nationwide print delivery network.