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features
design
support

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Description

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.

Description

Who’s Mailing What! serves as a competitive intelligence tool and an extensive searchable database focused on direct mail and email marketing initiatives, granting marketers, designers, copywriters, and direct mail experts access to a vast collection of authentic direct mail items, including sales letters, postcards, flyers, and archived emails, spanning over 85 sub-categories and 21 primary industry categories within the U.S. Users can utilize keyword searches, competitor analysis, or format filters to discover effective creative strategies, including headlines, offers, designs, and promotional techniques, while also monitoring which companies are actively conducting mailing campaigns, viewing campaign creatives in PDF format, and acquiring valuable insights into successful practices in their sectors. This platform further enhances user experience by offering real-time alerts for new campaigns, employing machine learning and OCR for full-text search capabilities, and providing weekly updates to the database, ensuring users remain informed about industry trends, can benchmark competitive behaviors, and are inspired to develop more impactful direct mail strategies. The comprehensive nature of this tool enables professionals to refine their marketing approaches and stay ahead in a competitive landscape.

API Access

Has API Yes 

API Access

Has API No 

Screenshots View All

Screenshots View All

Integrations

BoldTrail Yes 
GoHighLevel Yes 
Integrately Yes 
Pabbly Connect Yes 
Pipedream Yes 
Zapier Yes 
n8n Yes 

Integrations

BoldTrail No 
GoHighLevel No 
Integrately No 
Pabbly Connect No 
Pipedream No 
Zapier No 
n8n No 

Pricing Details

45¢ per postcard
No minimums. No commitments. Cancel anytime.

Real free tier - start sending without a credit card.

Yearly billing unlocks an extra subscription discount.

Nonprofits ship postcards from just $0.45/piece.

All-in pricing — print and postage included.
Free Trial Yes 
Free Version No 

Pricing Details

No price information available.
Free Trial Yes 
Free Version No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Customer Support

Business Hours Yes 
Live Rep (24/7) No 
Online Support Yes 

Types of Training

Training Docs Yes 
Webinars Yes 
Live Training (Online) Yes 
In Person Yes 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) Yes 
In Person No 

Vendor Details

Company Name

thanks.io

Founded

2017

Country

United States

Website

www.thanks.io

Vendor Details

Company Name

Who's Mailing What!

Founded

1978

Country

United States

Website

www.whosmailingwhat.com

Product Features

Direct Mail Automation

A/B Testing No 
Analytics/Reporting Yes 
Campaign Management Yes 
Data Import/Export Yes 
Delivery Tracking Yes 
Design Management Yes 
Event Triggered Mailings Yes 
List Scrubbing Yes 
Mailing List Purchasing Yes 
Mailing Services Integration Yes 
Pre-made Templates Yes 
Printing Services Integration Yes 
Response Alerts Yes 

Product Features

Direct Mail Automation

A/B Testing No 
Analytics/Reporting No 
Campaign Management No 
Data Import/Export No 
Delivery Tracking No 
Design Management No 
Event Triggered Mailings No 
List Scrubbing No 
Mailing List Purchasing No 
Mailing Services Integration No 
Pre-made Templates No 
Printing Services Integration No 
Response Alerts No 

Alternatives

Alternatives

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