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Index › GTM › Products › USPS Web Tools · November 2026 Edition
Address verification tools · Named, not ranked

USPS Web Tools

usps.com ↗

–Too few to rank
4/14Models named it
1First choices
3Warnings
November 2026 Edition · all company sizes counted.
Ranked inAddress verification tools #63 mid-market
What AI models recommend

Named, too few times to rank.

A product needs 10 labels in a category before a share is stated. USPS Web Tools has 1.

Why models recommend it

No positive label carried a quote.

What gives them pause

“Officially retired as of January 25, 2026, and is now completely non-functional for new users.”Mistral Small · Negative question · warning

Also on the shortlist

The products named in the same answers as USPS Web Tools, over the 5 answers that named it, and how often each was the first choice instead.

ProductNamed togetherPicked instead
Smarty
53View →
Lob
20View →
Melissa Global Address Verification
20View →
PostGrid Address Verification
20View →
AddressValid
10View →
Google Address Validation API
10View →
Google Geocoding API
10View →
Google Maps Address Validation API
10View →
Loqate
10View →
USPS Address Validation API
10View →

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

The sites and pages the answers that named USPS Web Tools came back with. A fact about retrieval, not a cause of the answer.

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 5 of the 5 answers that named USPS Web Tools and are not a share of its labels.

Domains cited

smarty.com4
usps.comIts own site4
developers.google.com2
g2.com2
addressvalid.io1
apis.io1
batchdata.io1
capterra.com1
cufinder.io1
developer.fedex.com1

Fourteen of the eighteen domain citations in answers naming USPS Web Tools came from a third party's page.

Pages cited

smarty.com/pricing2
usps.com/business/web-tools-apis/faqs-web-tools-to-usps-apis.pdf2
addressvalid.io/pricing1
apis.io/tags/address-validation1
batchdata.io/blog/best-address-verification-apis-2026-complete-comparison-guide1
capterra.com/address-verification-software/features/api1
cufinder.io/blog/api/best-address-validation-apis1
developer.fedex.com/api/en-er/catalog/address-validation/docs.html1

Pages are listed as the models cited them.

By model

How each model answered on USPS Web Tools across every prompt where it was named for a mid-market B2B company. Fourteen models, six prompts per category.
ModelFirst choiceAlternativeMentionWarningLabels
Claude Haiku 4.500000
GPT-5.4 mini00000
Gemini 3.5 Flash00000
Perplexity Sonar00000
Grok 4.2000000
Mistral Small00011
DeepSeek V4 Flash00000
Llama 4 Maverick00000
Qwen 3.7 Flash00000
Kimi K200000
GLM 4.7 FlashX00000
MiniMax M2.500000
GPT-6 Luna00000
Muse Glimmer 30B00000