PostGrid
Depends
Confidence: Medium
Buy if you programmatically send high volumes of letters, checks, or HIPAA-sensitive mail; that is exactly what it is built for.
New check
Comparison
PostGrid and Pricing - Smarty both land on Depends.
Buy if you programmatically send high volumes of letters, checks, or HIPAA-sensitive mail; that is exactly what it is built for.
Buy if you're a developer embedding address validation, autocomplete, or geocoding into product workflows at volume.
| Compare | ||
|---|---|---|
| Verdict | Depends | Depends |
| Best for | Dev teams automating transactional mail via API | Developers embedding US address validation |
| Who it's not for | Occasional mailers . email or a post office does the job | One-off spreadsheet address cleanup . use a bulk tool |
| Privacy | No known public vulnerabilities found in the sources reviewed. | No known public vulnerabilities found in the sources reviewed. |
| Support quality | Support mentions in sources are truncated | Only evidence is a paid Professional Services launch |
| Public sentiment | Review volume concentrates on G2 (232 print-and-mail reviews) and skews positive, while Trustpilot has just three reviews.¹ | Reviewers consistently highlight affordability and transparent pricing, but direct user quotes are scarce because search results conflate Smarty with unrelated brands. |
| Biggest gotcha | Postage rates and per-piece costs are not public; expect sales-led pricing⁵ | Property, census, and business data plans price per lookup . model your volume before committing13 |