# Postmark: how AI models rank it, October 2026

GTM AI Recommendation Index, October 2026 Edition. Named in 4 judge labels across 1 categories by 4 of 14 models. Page: https://gtm-ai-index.com/vendors/postmark/

## Standing by category

| Category | Share | Rank | Negative rate | Labels |
|---|---|---|---|---|
| Email deliverability and testing tools | 0% | 35 | 0% | 4 |

## What the models said for it

- "If your primary concern is developer-sent transactional emails and you want highly responsive, human support" (Gemini 3.5 Flash, Email deliverability)
- "Postmark offers a free tier (100 emails/month); Basic plans start from $15/month" (Claude Haiku 4.5, Email deliverability)

## The company

ActiveCampaign; http://www.activecampaign.com/; Chicago, United States; founded 2003. From Wikidata, fetched 2026-09-14.

## In its own words

What Postmark's own pages state, read 2026-10-06. Stated by the vendor, not checked by the index.

- Positioning: Postmark is a fast and reliable transactional email service that delivers your application's emails on time, every time. (https://postmarkapp.com/)
- For: developers (https://postmarkapp.com/)
- Price stated: $15/month for 10,000 emails (https://postmarkapp.com/)
- Starting price: 15 (https://postmarkapp.com/)
- Free plan or trial: Start free trial (https://postmarkapp.com/)
- Certifications: GDPR compliance, Type 2 SSAE 16 SOC 1 accredited facility, PCI Level 1 Service Provider
- Customers named: Paddle, Indie Hackers, Faire.com, IKEA, litmus, desk, minecraft, livestream

## What it publishes

Every page postmarkapp.com exposes, read 2026-09-29: 1024 addresses. By kind, pages and the last 90 days:

- blog: 301 pages, 3 in the last 90 days, latest 2026-09-08
- case study: 30 pages, 0 in the last 90 days, latest 2025-10-08
- webinar or virtual event: 13 pages, 0 in the last 90 days, latest 2025-12-08
- conference or event: 1 pages, 0 in the last 90 days, latest undated
- report or ebook: 32 pages, 0 in the last 90 days, latest 2017-10-19
- comparison: 13 pages, 0 in the last 90 days, latest 2025-03-27
- glossary or explainer: 19 pages, 0 in the last 90 days, latest 2026-05-11
- podcast or video: 26 pages, 0 in the last 90 days, latest 2019-09-05
- news or press: 2 pages, 0 in the last 90 days, latest undated
- Recent: 2026-09-08 blog: Restrict email sending api with ip allowlisting https://postmarkapp.com/blog/restrict-email-sending-api-with-ip-allowlisting
- Recent: 2026-07-21 blog: The postmark mcp server one year later from 4 tools to 24 https://postmarkapp.com/blog/the-postmark-mcp-server-one-year-later-from-4-tools-to-24
- Recent: 2026-07-14 blog: Sending bulk email in python prioritize practices that get your mail delivered https://postmarkapp.com/blog/sending-bulk-email-in-python-prioritize-practices-that-get-your-mail-delivered
- Recent: 2026-06-30 blog: Automate python emails with attachments that get delivered https://postmarkapp.com/blog/automate-python-emails-with-attachments-that-get-delivered
- Recent: 2026-05-11 glossary or explainer: 1010 how can i cancel my account https://postmarkapp.com/support/article/1010-how-can-i-cancel-my-account
- Recent: 2026-04-29 blog: Sending mission critical emails in python smtp or api https://postmarkapp.com/blog/sending-mission-critical-emails-in-python-smtp-or-api

## Record

- Method: https://gtm-ai-index.com/methodology/
- Raw judge labels and full responses: https://gtm-ai-index.com/data/
- License: CC BY 4.0. Cite as GTM AI Recommendation Index, October 2026 Edition, gtm-ai-index.com.