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What is Thanks.io?

thanks.io is a direct mail automation platform and API that sends handwritten-style postcards, letters, notecards, gift cards, and magnetic MagnaCards on autopilot — combining the attention-grabbing power of physical mail with the speed, tracking, and personalization of modern marketing software. Trusted by 5,000+ businesses since 2017, thanks.io serves real estate agents, e-commerce brands, SMBs, sales teams, agencies, nonprofits, and developers who need to break through digital noise and reach customers in the mailbox. 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. A proprietary handwriting engine with realistic AI fonts and optional Realism Mode makes machine-generated mail look genuinely hand-written. Per-recipient AI messaging, dynamic images, Google Street View postcards, and replacement variables drive true one-to-one personalization at scale. Dynamic per-recipient QR codes fire real-time scan notifications via email, SMS, and webhooks, with full analytics by template and list. Campaign automation includes drip, birthday, holiday, Neighbor Blast radius mailers, and evenFLOW paced sending. Lifecycle tools cover address verification, suppression lists, move-on-scan, and address collection landing pages. Developer-first REST API v2 with OpenAPI spec, OAuth2, webhooks, embeddable widget, and an LLM-friendly MCP server. 500+ native integrations including HubSpot, Salesforce, Shopify, WooCommerce, plus Zapier, Make, n8n, and 8,000+ apps. No minimums, no commitments, real free tier, Business at $49/mo, Professional at $199/mo, and discounted nonprofit postage from $0.45/piece.

What is LettrLabs?

LettrLabs focuses on providing marketing solutions aimed at helping businesses grow and retain customer loyalty through the appeal of handwritten communication. By leveraging advanced technology and robotics, we create authentic handwritten letters using real pens, delivering personal messages that not only resonate with current clients but also draw in prospective customers. This distinctive method cultivates a stronger bond with your audience, which in turn boosts brand loyalty and promotes overall business expansion. Engaging your customers in such a personal way can significantly differentiate your brand in a competitive market.

Media

Media

No images available

Integrations Supported

Axis LMS
BoldTrail
GoHighLevel
Integrately
Pabbly Connect
Pipedream
Zapier
n8n

Integrations Supported

Axis LMS
BoldTrail
GoHighLevel
Integrately
Pabbly Connect
Pipedream
Zapier
n8n

API Availability

Has API

API Availability

Has API

Pricing Information

45¢ per postcard
Free Trial Offered?
Free Version

Pricing Information

Pricing not provided.
Free Trial Offered?
Free Version

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

thanks.io

Date Founded

2017

Company Location

United States

Company Website

www.thanks.io

Company Facts

Organization Name

LettrLabs

Date Founded

2020

Company Location

United States

Company Website

lettrlabs.com

Categories and Features

Direct Mail Automation

A/B Testing
Analytics/Reporting
Campaign Management
Data Import/Export
Delivery Tracking
Design Management
Event Triggered Mailings
List Scrubbing
Mailing List Purchasing
Mailing Services Integration
Pre-made Templates
Printing Services Integration
Response Alerts

Categories and Features

Direct Mail Automation

A/B Testing
Analytics/Reporting
Campaign Management
Data Import/Export
Delivery Tracking
Design Management
Event Triggered Mailings
List Scrubbing
Mailing List Purchasing
Mailing Services Integration
Pre-made Templates
Printing Services Integration
Response Alerts

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