Douglas Karr's Articles on Martech Zone
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SwifDoo PDF: Unlock the Power of Smart, Simple PDF Editing and Management
Whether you’re editing a contract, translating a manual, or merging multiple documents into a single file, dealing with PDFs can often feel like a chore. Most tools are either too basic to be useful or too complex to justify the…
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FlyWP: Take Control of Your WordPress Hosting Future (We Did!)
If you’ve ever felt stuck with your current managed WordPress host ... frustrated by surprise overage bills, slow performance, or being locked into outdated infrastructure—you’re not alone. For many site owners, especially those running multiple or high-traffic properties like Martech…
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App: Post and Retrieve HTTP Header Information
HTTP headers play a crucial role as the gatekeepers of valuable information exchanged between web browsers, servers, and APIs . These headers, part of the HTTP request and response messages, convey essential metadata about the nature of the request or…
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Vapi: Integrate, Scale, and Deploy Complex Voice Agents Without Complexity
Many businesses struggle to scale conversational experiences across voice channels. Whether it's routing customer calls, automating reminders, or generating outbound engagement, building reliable and intelligent voice agents has traditionally been expensive, time-consuming, and challenging to customize. Vapi Vapi is transforming…
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BoldSign: Powerfully Simple eSignatures for Modern Teams
When your business relies on getting documents signed quickly, securely, and with minimal friction, legacy eSignature solutions can hinder progress with clunky interfaces, limited functionality, or hidden costs. Whether you're closing deals, onboarding clients, or managing compliance, your eSignature platform…









