PostKnock

PostKnock

MedAlly LLC
Thanks.io

Thanks.io

thanks.io
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+

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About

PostKnock is a marketing platform for small service businesses — dental practices, HVAC contractors, optometrists, chiropractors, veterinary clinics, and home services. It combines direct-mail postcards with automated phone follow-up in a single workflow. Choose a pre-built industry playbook (dental recall, HVAC seasonal, lapsed-patient re-engagement, etc.), upload a contact list, and PostKnock handles printing, USPS First-Class mailing, QR-code tracking, and post-delivery call queues with pre-loaded scripts for your front desk. Multi-wave campaigns sequence postcards and calls over weeks. CSV import auto-maps fields. Real-time tracking shows delivery, scans, completed calls, and revenue attribution. Free plan available — only pay for postcards sent. Pro from $99/month unlocks multi-wave sequencing, the full call queue, and analytics. No contracts. 30-day money-back guarantee.

About

thanks.io is a direct mail automation platform and API that sends handwritten-style postcards, letters, notecards, gift cards, and MagnaCards on autopilot. Trusted by 5000+ businesses since 2017, it helps marketers, agencies, realtors, e-commerce brands, and SaaS companies cut through digital noise with physical mail. Features: proprietary handwriting engine with realistic AI fonts, per-recipient AI messaging, dynamic images, Street View postcards, QR code tracking, scan notifications, and analytics. Automation: drip campaigns, birthday/holiday triggers, Neighbor Blast radius mailers, evenFLOW paced sending, address verification, suppression lists, and Canva-synced templates. Developer-first REST API v2 with OpenAPI spec, OAuth2, webhooks, embeddable widget, and LLM-friendly MCP server. 500+ integrations: HubSpot, Salesforce, Shopify, WooCommerce, Zapier, Make, n8n, and 8,000+ apps. No minimums, no commitments, real free tier, nonprofit rates from $0.45/piece.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Small service businesses — dental, optometry, HVAC, chiropractic, veterinary, med spa, home services. Owner-operated SMBs under ~$1M revenue.

Audience

Marketers, agencies, real estate agents, e-commerce brands, SaaS companies, nonprofits, and developers who want to reach customers with real, trackable, personalized physical mail instead of relying solely on email and digital ads.

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

No images available

Screenshots and Videos

Pricing

$99/month
Free Version
Free Trial

Pricing

45¢ per postcard
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

MedAlly LLC
Founded: 2026
United States
postknock.com

Company Information

thanks.io
Founded: 2017
United States
www.thanks.io

Alternatives

Alternatives

Categories

Categories

Direct Mail Automation Features

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

Integrations

BoldTrail
GoHighLevel
Integrately
Pabbly Connect
Pipedream
Zapier
n8n

Integrations

BoldTrail
GoHighLevel
Integrately
Pabbly Connect
Pipedream
Zapier
n8n
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