Ask any developer who has tried to bolt direct mail onto a marketing platform: you’re suddenly juggling printers, spreadsheets, file drops, postage math, and a pile of permission problems. Worse, as soon as you have multiple clients in one codebase, all of that complexity multiplies. Without a … Read more about Multi-Tenant Architecture API: How Postalytics Lets You Embed Scalable, Profitable Direct Mail in Every Client’s Workflow