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About validity.com (Developer Tools)
This page provides details about validity.com (Developer Tools) which was ranked #36 out of 126 in the list of sources (2 citations (0.5% share)) in answers from AI models (Anthropic Claude Sonnet (latest),
OpenAI ChatGPT Latest) when they were asked the following 1 question: "What are the best Email Marketing options available today? Please provide a comprehensive overview including: the leading brands and products, top companies and service providers, recognized experts and thought leaders, promising startups and new market entrants, major industry events and conferences, active communities and forums, and influential publications and media covering this space." on Dec 30, 2025 by AI Chat Watch. This source is referenced for brands: Validity.
Used by AI Models
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Pages from validity.com (1 link)
| URL Path | Citations | Position |
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| validity.com | 2 | 39.4 |
Brands Referenced By This Website (1 brand)
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5.5% | 4 |
Citations from AI Responses
Anthropic Claude Sonnet (latest)
(1 citation)
What are the best Email Marketing options available today? Please provide a comprehensive overview including: the leading brands and products, top companies and service providers, recognized experts and thought leaders, promising startups and new market entrants, major industry events and conferences, active communities and forums, and influential publications and media covering this space.
[...] arketing - Built on Amazon SES - Best for: Budget-conscious businesses 5. **[Sender](https://www.sender.net/)** - Free-tier focused platform - Generous free plan - Best for: Startups and small businesses ## Leading Companies & Service Providers ### Email Deliverability Services 1. **[Validity (formerly Return Path)](https://www.validity.com/)** - Email deliverability and data quality 2. **[250ok (Validity)](https://250ok.com/)** - Email deliverability analytics 3. **[Litmus](https://www.litmus.com/)** - Email testing and analytics platform 4. **[Email on Acid](https://www.emailonacid.com/)** - Email testing and rendering ### Email Inf [...]
OpenAI ChatGPT Latest
(1 citation)
What are the best Email Marketing options available today? Please provide a comprehensive overview including: the leading brands and products, top companies and service providers, recognized experts and thought leaders, promising startups and new market entrants, major industry events and conferences, active communities and forums, and influential publications and media covering this space.
[...] a](https://www.figma.com/) (design systems/assets) ### Rendering + QA + spam checks - [Litmus](https://www.litmus.com/) - [Email on Acid](https://www.emailonacid.com/) - [Mail-Tester](https://www.mail-tester.com/) (quick deliverability/spam scoring) ### Deliverability + reputation + diagnostics - [Validity](https://www.validity.com/) (deliverability tools/services) - [GlockApps](https://glockapps.com/) (inbox placement testing/monitoring) - [Google Postmaster Tools](https://postmaster.google.com/) - [Microsoft SNDS](https://sendersupport.olc.protection.outlook.com/snds/) - [Spamhaus](https://www.spamhaus.org/) (blocklist opera [...]