Kate
Great experience with Opensend
Overall I've been happy with Opensend. Set up was easy, their team did basically everything for us. Implementing with Klaviyo was a breeze and we started seeing additional revenue come in really quickly.

Opensend is a SaaS data platform that helps website owners identify their anonymous visitors, even if they don't make purchases or fill out forms. This enables brands to retarget unknown web visitors through various channels (email, ads, postal) to increase conversions.
Opensend (opensend.com) has 41 customer reviews on Five Star Index, with an average rating of 4.9 out of 5.
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Claim this listingInternet & Software · Las Vegas, Nevada
Excellent

Internet & Software · Las Vegas, Nevada
Excellent

Internet & Software · Las Vegas, Nevada
Excellent

Internet & Software · Las Vegas, Nevada
Excellent
41 approved reviews, newest moderated first
Kate
Overall I've been happy with Opensend. Set up was easy, their team did basically everything for us. Implementing with Klaviyo was a breeze and we started seeing additional revenue come in really quickly.
Sam Z.
Opensend makes it easy and seamless to collect high intent emais addresses from site visitors - and re-market to them via automated email flows and beyond. The setup is super easy, and the support top notch. I am now using this service across three of our brands. Recommended!
Isla S.
Opensend has been really helpful for us. It tracks who visits our website, so we understand our audience better. This makes our outreach easier and more effective. Overall its a great tool that saves us time and helps us connect with the right people.
libie
Opensend provides email addresses of real people, that actually convert (vs. competitors who provide email addresses that don't open/engage, and decrease deliverability). Opensend is the way to go, and I've tried them all!
Kevin A.
This company is not good for b2b. Do not let them fool you. 99% of the contacts you get are Gmail and peoples personal email (not their work email). Rarely can they even tell you what company the person works at.
Response from OpensendFeb 27, 2025
Kevin, We appreciate your feedback and understand how important it is to receive the right data in order to reach the right audience with your marketing efforts. While we provide the business email address of visitors whenever possible, we share whatever data we have so that our customers can choose how to best engage with their website visitors - this includes non-business email addresses. The volume of business email addresses we're able to provide depends on a number of factors, including the overall volume and quality of the traffic to each website. Results can vary based on these factors, so we offer a pilot period, allowing customers to get a sense of the volume before making a long term commitment. We appreciate you piloting Opensend and giving it a try! -The Opensend Team
Katie
One of our agencies favorite platform & partners! With Opensend we're able to identify and capture traffic that we otherwise wouldn't have been able to. This immensely helps with our attributed revenue on Klaviyo as well as other marketing efforts. We continuously see a positive ROI for every client we have using their service, month over month without fail. The team is also top notch; amazing communication, guidance, quick solutions, and more.
Therese B.
Opensend makes it easy to find leads, even without being hands on. It was really easy to set up and work with, unlike some other options we've tried, and it's been a more effective tool in terms of results as well!
Response from OpensendSep 30, 2024
Thanks for this review, Therese!
Chloë S.
Opensend offers a comprehensive solution for businesses looking to enhance their website visitor identification efforts. With powerful features like real-time tracking, data enrichment, and seamless CRM integration, Opensend helps turn anonymous website visitors into qualified leads. This is a truly game-changing piece of software for any business looking to expand their reach.
Response from OpensendSep 25, 2024
Thanks for taking the time to write us this review, Chloë!