Click2Mail
Click2Mail transforms traditional mail with its online and on demand, SaaS print to-mail service. Click2Mail gives users access to tools that make it easy to create and mail postcards, letters, and other printed materials. Individuals and organizations can use Click2Mail's easy-to-use Mailing Online Publisher to create, address, and ship mailpieces from anywhere on the globe.
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Thanks.io
thanks.io is a direct mail automation platform and API that sends handwritten-style postcards, letters, notecards, gift cards, and MagnaCards on autopilot — combining real physical mail with the speed, tracking, and personalization of modern marketing software.
Trusted by 5,000+ businesses since 2017, it helps marketers, agencies, realtors, e-commerce brands, nonprofits, and SaaS companies cut through digital noise by reaching customers in the mailbox. Every piece is printed with a proprietary handwriting engine featuring realistic AI fonts and an optional Realism Mode with natural spacing and cross-outs.
Mailer types: 4x6, 6x9, and 6x11 postcards; windowed and windowless letters; folded notecards with real stamps; branded gift cards; and 6x9 MagnaCards with a pop-out fridge magnet. Standard or First Class postage, domestic and international.
Features: per-recipient AI messaging, dynamic images, Google Street View postcards, dynamic per-recipient QR tracking with real-time scan notifications via email, SMS, and webhooks, and analytics by template and list.
Automation: drip campaigns, birthday/holiday triggers, Neighbor Blast radius mailers, evenFLOW paced sending, CSV upload, address verification, suppression lists, address collection landing pages, and native Canva sync.
Developer-first REST API v2 with OpenAPI spec, OAuth2, personal access tokens, webhooks, embeddable send widget, and LLM-friendly documentation MCP server.
500+ native integrations: HubSpot, Salesforce, Pipedrive, ActiveCampaign, HighLevel, Zoho, Shopify, WooCommerce, BigCommerce, Magento, plus Zapier, Make, n8n, Pipedream, and 8,000+ apps.
No minimums, no commitments, real free tier, and discounted nonprofit postage from $0.45/piece.
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Postage.to
Postage.to provides a convenient online service for delivering physical mail globally, allowing users to send letters by simply uploading a document or composing one using an online editor, entering the recipient's address, and letting the platform manage all aspects of printing, stamping, enveloping, and mailing, eliminating the need for a trip to the post office or any printing equipment. This service makes it straightforward to send international letters, as easy as composing an email; users can create or upload a letter, select from over 190 countries, pay for each letter without needing a subscription, and the system will print and dispatch it while offering tracking features that provide updates from the moment of creation to delivery. Postage.to not only focuses on efficiency, typically completing the process in less than five minutes, but also emphasizes security and privacy by encrypting letters and removing them from their system after printing. Additionally, users can personalize their letters through various customization options, including different fonts, formatting styles, and the ability to incorporate images within the editor, enhancing the overall user experience. Overall, Postage.to revolutionizes the way individuals send physical correspondence, making it practical and accessible for anyone, anywhere.
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