# PostGrid Address Verification: how AI models rank it, October 2026

GTM AI Recommendation Index, October 2026 Edition. Named in 39 judge labels across 1 categories by 13 of 14 models. Page: https://gtm-ai-index.com/vendors/postgrid-address-verification/

## Standing by category

| Category | Share | Rank | Negative rate | Labels |
|---|---|---|---|---|
| Address verification tools | 8% | 2 | 3% | 39 |

## What the models said for it

- "PostGrid is a strong option for SaaS and B2B teams because it combines address verification, autocomplete, bulk list cleanup, international coverage, API access, and dashboard-based workflows in one platform." (Claude Haiku 4.5, Address verification)
- "PostGrid's pay-as-you-go model allows you to get started without investing anything, which is ideal for companies with truly limited budgets" (Claude Haiku 4.5, Address verification)
- "Best budget option (US/Canada): PostGrid - $20/mo for 2,000 lookups" (Muse Glimmer 30B, Address verification)
- "start with trials from established names like Smarty or PostGrid" (Grok 4.1 Fast, Address verification)

## And against it

- "PostGrid has been flagged in independent reviews for specific reliability issues." (GLM 4.7 FlashX, Address verification)

## What it publishes

Every page postgrid.com exposes, read 2026-09-29: 2702 addresses. By kind, pages and the last 90 days:

- blog: 713 pages, 49 in the last 90 days, latest 2026-09-25
- case study: 9 pages, 0 in the last 90 days, latest 2026-04-12
- webinar or virtual event: 6 pages, 0 in the last 90 days, latest 2026-05-07
- report or ebook: 34 pages, 8 in the last 90 days, latest 2026-07-30
- comparison: 32 pages, 11 in the last 90 days, latest 2026-09-22
- template or tool: 4 pages, 0 in the last 90 days, latest 2025-04-04
- glossary or explainer: 65 pages, 9 in the last 90 days, latest 2026-09-23
- news or press: 1 pages, 0 in the last 90 days, latest 2026-04-14
- Recent: 2026-09-25 blog: How address verification fraud prevention protects your business https://www.postgrid.com/how-address-verification-fraud-prevention-protects-your-business/
- Recent: 2026-09-24 blog: What does rejected addresses mean https://www.postgrid.com/what-does-rejected-addresses-mean/
- Recent: 2026-09-24 blog: Medicare direct mail marketing scaling guide https://www.postgrid.com/medicare-direct-mail-marketing-scaling-guide/
- Recent: 2026-09-23 blog: How to clean your ncoa and cass mailing lists with postgrid https://www.postgrid.com/how-to-clean-your-ncoa-and-cass-mailing-lists-with-postgrid/
- Recent: 2026-09-23 glossary or explainer: What is a non standard address https://www.postgrid.com/what-is-a-non-standard-address/
- Recent: 2026-09-23 blog: Difference between brochure flyer pamphlet booklet https://www.postgrid.com/difference-between-brochure-flyer-pamphlet-booklet/

## 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.