Alternatives

Products that do what PostGrid does

Print, Mail, and Automate all of these with our API

1. 1
   Lob▲106

   Programmatically send physical mail and verify addresses

   2013

2. 2
   DocuPost▲89

   Sustainably mail letters, checks & postcards online from 75¢

   2021

3. 3
   Postcards by Designmodo▲157

   Create awesome emails with drag & drop simplicity 😻

   2018

4. 4
   postedby.ai▲122

   AI generated postcards, delivered globally

   2022

5. 5
   Threads.io▲257

   Trigger automated behavior-driven emails (by SendGrid).

   2015

6. 6
   API Template▲118

   Generate images and PDFs with simple API

   2021

7. 7
   Email API benchmarks▲113

   A real-time dashboard of email provider performance

   Mar 2026 · knock.app

8. 8IM
   I made a tool to send a letter now people use it to just print▲28

   2025 · pieterpost.com

9. 9
   Anvil PDF Filling API▲205

   The easiest way to programmatically populate any PDF

   2020

10. 10
    Greetsapp▲200

    AI powered greeting cards for the holidays & beyond

    2023

11. 11
    Postcards 3▲207

    Refresh your email game with an intuitive email builder + AI

    2023

12. 12
    Postcards 2▲268

    Create, edit and manage awesome email newsletters 😻

    2018

13. 13
    Printsnap▲100

    Just take a Snap and we'll instantly print & mail it to you!

    2020

14. 14PA
    PDF API – Generate, convert, and modify PDF documents▲204

    Hi HN, Arek here. We’re super excited to officially launch PSPDFKit API [1]. PSPDFKit API is a collection of HTTP APIs that enable you to convert, generate, and edit documents without running any service on your infrastructure. What differentiates our API from others is that you can chain together multiple “actions” as part of a single API request. For example, you can convert, OCR, watermark, edit, and flatten a document — all in one call. Available actions [2]: - PDF Generator - PDF Converter - Image Converter - OCR - Watermark - Merge - Split - Duplicate - Delete - Flatten Our…

    2022

15. 15
    SendOvernightMail▲80

    The fastest way to send time sensitive documents via Fedex

    2018

16. 16
    MailerLogic▲96

    Email API with built-in deliverability intelligence

    Apr 2026 · mailerlogic.com

17. 17
    Print Post▲83

    Your online printer - draw, write, upload

    2021

18. 18
    PieterPost MCP▲132

    Connect your AI agent to postal mail

    Jul 2026 · pieterpost.com

19. 19
    Postal.io for HubSpot▲81

    Send handwritten notes, gifts, or direct mail in minutes

    2020

20. 20
    Anvil PDF API▲185

    Twilio for PDFs: esign, fill, generate PDFs with one API

    2021

21. 21
    Gift Note Writer▲108

    AI powered tool to generate personalized gift notes

    2024

22. 22
    Thanks.io▲146

    Direct mail automation platform

    2023

23. 23MC
    Mailform Checkout API – post a PDF, we'll handle print, mail, & payment▲7

    2020 · mailform.io

24. 24
    Postkit 2.0▲129

    Codepen for mock APIs

    2019

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