diff --git a/README.md b/README.md
index b1e5bbd9..298a5289 100644
--- a/README.md
+++ b/README.md
@@ -878,6 +878,7 @@ This list results from Pull Requests, reviews, ideas, and work done by 1600+ peo
   * [Mailtrap.io](https://mailtrap.io/) - Email API, SMTP, 3,500 emails/month free for transactional and marketing emails. Email Sandbox - fake SMTP server for development, free plan with one inbox, 100 messages, no team member, two emails/second, no forward rules.
   * [Mutant Mail](https://www.mutantmail.com/) - Free 10 Email IDs, 1 Domain, 1 Mailbox. Single Mailbox for All Email IDs.
   * [OneSignal](https://onesignal.com/) - 10,000 emails/month,No Credit Cards are required.
+  * [Orbisearch](https://orbisearch.com) - Email validation API and bulk verifier. 500 free validations on signup.
   * [Parsio.io](https://parsio.io) - Free email parser (Forward email, extract the data, send it to your server)
   * [Plunk](https://useplunk.com) - 3K emails/month for free
   * [Postmark](https://postmarkapp.com/) - 100 emails/month free, unlimited DMARC weekly digests.