SMS Testing End-to-end SMS testing for seamless SMS automation
Mailosaur is the leading customer communication testing platform, specialising in email and SMS testing for any app, product or campaign.
Ensure that your SMS automations are tested and perfected before they leave your systems with Mailosaur’s automated SMS testing platform.

Mailosaur SMS Testing
Verify that SMS messages are delivered on time
Test identity and account verification codes sent via SMS
Ensure your promotional text messages are seen
Prove that your order update notifications are working
Verify that SMS reminders are sent out at the right time
Reply to messages just like a customer would.

Use dedicated test mobile numbers, not your own phone
Access international mobile numbers that are dedicated to your business, so you never need to use your own mobile number.
Automate SMS testing, with any framework
Mailosaur lets you automate the testing of SMS messages, just like email, no matter if you use Cypress, Playwright, Robot Framework, or anything else.
Send customers the right message
Ensure that your customers are receiving the right message, before they’re sent out.

Share access with your team
Mailosaur lets you see received SMS messages in one place, allowing you to securely manage access to all your messages.
Share phone numbers and messages with your whole team for seamless collaboration.

SMS Testing With Mailosaur
Continuously improve the quality of your product
Multi-factor Authentication
- Test verification and one-time password (OTP) codes sent via SMS, to be sure product security isn’t compromised.
Notifications
- Ensure that SMS notifications and reminders are sent at the right time, with the right information.
Broken Links
- Find and fix broken links in your SMS messages.
Phone Numbers
- Use Mailosaur phone numbers, to simulate real users.
Why businesses choose Mailosaur
Mailosaur is the only all-in-one testing platform you will ever need. Use our API to ensure your product is absolutely seamless for your customers. Our software supports vital tests to help QAs, marketers, engineers and product managers meet individual goals and objectives, as a team.
Our Products
Everything you need to test customer communication
Email Testing
Create end-to-end tests that rely on email. Test account verification emails, password resets, email tracking, and more
Email Previews
Instantly see how your email will look to any recipient, no matter what email client they use, so there are no nasty surprises.
SMS Testing
Build text messages that work. Create end-to-end tests that cover identity verification, alerting, promotional messages and more