Address verification tools · Named, not rankedUSPS Address Validation API
USPS Address Validation API is an address verification tool from USPS that checks addresses in the United States · usps.com ↗
Named, too few times to rank.
A product needs 10 labels in a category before a share is stated. USPS Address Validation API has 4.
Why models recommend it
“Mostly U.S. shipping: Compare USPS and Smarty; choose based on your integration needs”GPT-6 Luna · Comparative question · alternative
“you can use the official USPS API for free... Cons: Difficult to implement”GLM 4.7 FlashX · Budget-constrained question · alternative
What gives them pause
“USPS API (Not recommended for production B2B)”GLM 4.7 FlashX · Paraphrase question · warning
“Strict rate limits — currently documented at approximately 60 requests per hour ... making it unsuitable for high-volume applications”Kimi K2 · Comparative question · warning
Also on the shortlist
The products named in the same answers as USPS Address Validation API, over the 11 answers that named it, and how often each was the first choice instead.
| Product | Named together | Picked instead | |
|---|---|---|---|
| 9 | 5 | View → | |
| 8 | 0 | View → | |
| 7 | 0 | View → | |
| 6 | 2 | View → | |
| 4 | 0 | View → | |
| 3 | 0 | View → | |
| 2 | 0 | View → | |
| 1 | 1 | View → | |
| 1 | 0 | View → | |
| 1 | 0 | View → |
A side-by-side page exists where both products are among a category's top eight.
How this is measured
Fourteen AI models from 12 labs are asked the same buying questions six ways, for three company sizes. Standings refresh every edition.
Gane sells AI visibility software. No company can pay to change a result.
Read the method →Sources returned with these answers
Fourteen of the fourteen models returned a source list in this edition: five return the pages they cited and nine the search results they consulted. These counts come from 11 of the 11 answers that named USPS Address Validation API and are not a share of its labels.
Domains cited
Forty-two of the forty-eight domain citations in answers naming USPS Address Validation API came from a third party's page.
Pages cited
Pages are listed as the models cited them.
By model
| Model | First choice | Alternative | Mention | Warning | Labels |
|---|---|---|---|---|---|
| Claude Haiku 4.5 | 0 | 0 | 0 | 0 | 0 |
| GPT-5.4 mini | 0 | 0 | 0 | 0 | 0 |
| Gemini 3.5 Flash | 0 | 0 | 0 | 0 | 0 |
| Perplexity Sonar | 0 | 0 | 0 | 0 | 0 |
| Grok 4.20 | 0 | 0 | 0 | 0 | 0 |
| Mistral Small | 0 | 0 | 0 | 0 | 0 |
| DeepSeek V4 Flash | 0 | 0 | 0 | 0 | 0 |
| Llama 4 Maverick | 0 | 0 | 0 | 0 | 0 |
| Qwen 3.7 Flash | 0 | 0 | 0 | 0 | 0 |
| Kimi K2 | 0 | 0 | 0 | 1 | 1 |
| GLM 4.7 FlashX | 0 | 1 | 0 | 1 | 2 |
| MiniMax M2.5 | 0 | 0 | 0 | 0 | 0 |
| GPT-6 Luna | 0 | 1 | 0 | 0 | 1 |
| Muse Glimmer 30B | 0 | 0 | 0 | 0 | 0 |