apiaddress-validationautomation
Address Validation API Integration
Reduce failed deliveries with real-time address validation.
January 9, 20261 min read74 views
Address Validation API Guide
Validate addresses before shipping to reduce failures.
Validation Levels
| Level | What It Checks |
|---|---|
| Basic | Format, required fields |
| Standard | USPS database match |
| Enhanced | Residential vs commercial |
| Premium | Deliverability score |
Provider Comparison
| Provider | Cost/Check | Accuracy |
|---|---|---|
| USPS API | Free | 95% |
| SmartyStreets | $0.01 | 99% |
| Atoship | Included | 99% |
| $0.005 | 97% |
Common Corrections
| Issue | Example |
|---|---|
| Apt missing | Added unit number |
| ZIP wrong | Corrected ZIP+4 |
| State abbrev | CA → California |
| Street suffix | St → Street |
Integration Points
| When | Benefit |
|---|---|
| Checkout | Best UX |
| Order import | Batch correction |
| Label creation | Last chance |
ROI Analysis
| Metric | Without | With |
|---|---|---|
| Failed deliveries | 3% | 0.5% |
| Cost per failure | $15 | - |
| Monthly savings (1K orders) | - | $375 |
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