mailboxlayer API vs. Apollo.io
A side-by-side comparison based on G2 review data.
| Metric | mailboxlayer API | Apollo.io |
|---|---|---|
| Overall rating | 4.3 | 4.7 |
| Review count | 11 | 9,851 |
| Ease of use | 9.0 | 9.2 |
| Ease of setup | 8.6 | 9.0 |
| Quality of support | 9.0 | 8.9 |
| Meets requirements | 9.1 | 9.2 |
| NPS | 54.545455 | 83.992806 |
| Small Business | 72.7% | 66.9% |
| Mid-Market | 9.1% | 28.4% |
| Enterprise | 18.2% | 4.7% |
| Total page views | 18 | 26,360 |
| Total LLM citations | 266 | 186,531 |
mailboxlayer API
Mailboxlayer is a free, simple and powerful JSON API offering instant email address validation & verification via syntax checks, typo and spelling checks, SMTP checks, free and disposable provider filtering, and much more. Its system is REST-based, secured by 256-bit HTTPS encryption, and pursuing the goal of assisting developers and businesses in fighting fraudulent users and increasing success rates of email campaigns.
Apollo.io
Apollo.io is an AI-powered go-to-market (GTM) platform that helps revenue teams find, engage, and manage B2B buyers across the entire sales cycle. Apollo.io is the company behind the industry’s first fully agentic GTM platform, transforming how revenue teams execute. Going beyond automation, Apollo’s intelligent agents actively drive results across the entire sales funnel – from prospecting to deal management – all in one place.
- Ease of Use
- Lead Generation
- Features
- Helpful
- Time-saving
- Automation