# Verifications.io: how AI models rank it, November 2026

Gane Index, November 2026 Edition. Named in 1 judge label across 1 category by 1 of 14 models. Page: https://www.gane.ai/index/gtm/vendors/verifications-io

## Standing by category

| Category | Share | Rank | Negative rate | Labels |
|---|---|---|---|---|
| [Email verification](https://www.gane.ai/index/gtm/gtm-data/email-verification/index.md) | 0% | 54 | 100% | 1 |

## And against it

- "the clearest named example I'd avoid is Verifications.io. It suffered a major data exposure in 2019" (GPT-6 Luna, Email verification)

## 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 | 0 | 0 |
| GLM 4.7 FlashX | 0 | 0 | 0 | 0 | 0 |
| MiniMax M2.5 | 0 | 0 | 0 | 0 | 0 |
| GPT-6 Luna | 0 | 0 | 0 | 1 | 1 |
| Muse Glimmer 30B | 0 | 0 | 0 | 0 | 0 |

## Sources returned with these answers

The sites and pages cited by the answers that named Verifications.io, from 9 of the 9 answers that named it (only the models that return a source list).

### Domains cited

- mailtester.com: 5
- twingate.com: 4
- usebouncer.com: 4
- zerobounce.net: 4
- cpomagazine.com: 3
- emaillistvalidation.com: 3
- hunter.io: 3
- ipqualityscore.com: 3
- monitor.mozilla.org: 3
- securitybrief.news: 3

### Pages cited

- https://twingate.com/blog/tips/verifications-io-data-breach: 4
- https://cpomagazine.com/cyber-security/largest-leak-in-history-email-data-breach-exposes-over-two-billion-personal-records: 3
- https://ipqualityscore.com/free-email-verifier: 3
- https://monitor.mozilla.org/en/breach-details/VerificationsIO: 3
- https://securitybrief.news/story/how-to-choose-the-right-email-verification-api-a-buyer-s-guide: 3
- https://softwareadvice.com/email-verification: 3
- https://spamhaus.org/resource-hub/deliverability/on-the-dubious-merits-of-email-verification-services: 3
- https://zerobounce.net/email-verification-tool-reviews: 3

## Record

- Method: https://www.gane.ai/index/gtm/methodology
- License: CC BY 4.0. Cite as Gane Index, November 2026 Edition, www.gane.ai/index/gtm.