thanks.io
Send handwritten notes, postcards, letters and gift cards
thanks.io launched on December 8, 2021 with 8 votes, #1,181 of 2,707 launches that month and more than 50% of that year's launches. The site was still online in September 2026, 4 years on.
What it does
Auto-Magic Direct Mail. Send handwritten notes, postcards, letters and gift cards -- without ever licking a stamp! Automate sending from your shopping cart or CRM via our robust API, or no code connector systems like Zapier & Integromat.
Send AI-powered personalized postcards, letters & notecards with Thanks.io. Introducing Thanks AI Studio - generate full campaigns from a prompt. QR tracking, 8,000+ integrations, from $0.64/piece. Trusted by 5000+ businesses since 2017.
A clean REST API, MCP server, OpenAPI spec, and webhooks. No mail house complexity - just an API call. Dashboard, CSV upload, or Zapier. Start sending in minutes - no minimums, no commitments, postage included. Concierge onboarding, design services, dedicated account manager, and lowest per-piece rates on the market. Every piece is crafted with our proprietary handwriting engine for maximum impact and authenticity. Postcards, letters, notecards, and gift cards - full visual examples in one PDF. Describe your direct mail campaign in plain English and instantly generate postcards, letters, messaging, and creative ideas-inside thanks.io. Automation, tracking, personalization, and integrations…from thanks.io
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- AFAPI for Sending Handwritten Letters2020 · ▲12
TLDR: We built out an API for sending handwritten letters at https://www.handwrite.io/handwritten-notes-api Quick backstory: I was helping a small moving company build out some marketing automation as a side gig. We were ingesting housing data and as soon as a house went up for sale, we'd use lob.com to send a direct mail postcard letting the home owner know we'd love their business. But the postcards didn't convert well, and were super cliche so I went searching for something that might feel a little more personal. That's when I met my cofounder, Dan, here on Hacker News!…
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