SMS OTP
Validate code delivery, extraction, retries, and user journey behavior with real numbers.
Open auth testing
MailSlurp gives teams real phone numbers and SMS APIs for OTP testing, verification workflows, inbound messaging, and release-critical user journeys.
Trusted by top companies worldwide
Use clean numbers for CI, staging, verification, recovery, and inbound SMS workflows so failures are attributable and easier to trust.
Validate SMS OTP, MFA, recovery, and email-plus-SMS flows with deterministic waits and extraction under one MailSlurp setup.
Use real phone numbers for the SMS paths where timing, content, and verification evidence matter.
Validate code delivery, extraction, retries, and user journey behavior with real numbers.
Open auth testingProvision numbers, receive messages, and integrate SMS into signup, recovery, and operational workflows.
Open SMS serviceTest journeys that span both channels without splitting tooling or saved results across systems.
Open integration testingReceive, inspect, and route inbound SMS for product and operations workflows.
Create reusable number pools and keep verification workflows isolated across runs and environments.
Run SMS, email, testing, and automation workflows together instead of stitching together disconnected tools.
Integrate MailSlurp Seamlessly
Official plugins and SDKs for all major programming languages, frameworks, and test platforms. All functionality available via API or dashboard.
MailSlurp fits right into your existing development, testing, and CI/CD workflows. Deploy and iterate with confidence and actionable feedback.
Emails processed
500 million+
Infrastructure that scales.
Mobile networks
20+
Leverage global telecom networks.
Mature platform
10+ years
Stable and dependable.
