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OTP Email Testing

OTP verification tests that prove codes work when users need them.

Capture one-time codes, validate expiry behavior, and complete MFA or login challenges inside your automated tests.

Start FreeView Documentation

Your verification code

To: mfa-user@test.trivumo.com

Received

Use this one-time code to finish signing in. The code expires in 10 minutes.

438921

OTP extraction

otp.length6
expires10m
attempts1
ci/otp-verification
Passed
✓ OTP email delivered
✓ code extracted
✓ challenge accepted
✓ session created

OTP challenge verified

Email delivery, code parsing, entry, and authenticated state all passed.

Common Failure Points

Why OTP Flows Break

OTP verification depends on delivery speed, code parsing, expiration windows, retry rules, and authentication state updates.

Codes arrive too late

Expose delivery delays that make short-lived OTP codes unusable.

Code parsing breaks

Extract OTPs from real email bodies instead of brittle regexes scattered through tests.

Expiry rules regress

Validate expiration windows, regenerated codes, and stale code rejection.

Retry state is wrong

Catch incorrect resend behavior, attempt counters, and rate limits.

Wrong recipient

Make sure every OTP goes to the expected user and isolated test inbox.

Template ambiguity

Verify the subject and email body make the right code easy to identify.

OTP tests are fragile when humans copy codes from an inbox. Trivumo lets automation capture the message, extract the code, and complete the challenge directly.

Workflow

Test The Entire OTP Verification Journey

Use Trivumo to cover OTP delivery, code extraction, form entry, and authenticated-session assertions.

01

Trigger OTP

Start login, MFA enrollment, or verification with a dedicated test inbox.

02

Capture Code Email

Wait for the OTP email and read the latest matching message.

03

Extract One-Time Code

Pull the code from subject, text, or HTML without manual copying.

04

Complete Challenge

Enter the code and assert the user reaches the expected authenticated state.

Assertions

What You Can Validate

Assert the details that make OTP authentication secure and usable.

OTP email delivered
Correct recipient
Correct subject
Code extraction
Code length and format
Expiry window
Resend behavior
Invalid code rejection
Attempt limits
Session creation
Template rendering
Delivery timing

Benefits

Why Teams Use Trivumo

Security, QA, and platform teams get reliable coverage for email-based MFA and verification codes.

End-to-End Coverage

Validate the complete workflow from trigger to inbox, link, browser action, and final assertion.

CI/CD Ready

Run email workflow tests in GitHub Actions, GitLab CI, Jenkins, and other pipelines.

Works With Any Framework

Playwright, Cypress, Selenium, Puppeteer, and WebdriverIO.

Instant Email APIs

Create inboxes and access messages, links, subjects, and content through simple APIs and SDKs.

Use Cases

Perfect For

Any product that sends one-time codes can automate OTP verification without manual inbox work.

SaaS Applications

E-commerce Platforms

Enterprise Portals

Banking Applications

Internal Business Tools

Authentication Platforms

Comparison

Manual Testing vs Trivumo

Replace slow, shared-inbox QA with automated email workflow tests that run inside your existing suite.

Manual Testing

Shared inboxes
Manual verification
Slow releases
Hard to reproduce issues
No CI/CD support

Trivumo

Automated inboxes
Structured message APIs
End-to-end testing
CI/CD integration
Fast feedback

FAQ

OTP Verification Testing Questions

Everything teams need to automate one-time password emails with Trivumo.

How do I test OTP emails automatically?+

Trigger the OTP flow, wait for the email in Trivumo, extract the code from the message, enter it in your app, and assert the verification succeeds.

Can I test OTP expiry and resend behavior?+

Yes. You can request multiple codes, inspect delivery timing, and assert how your app handles stale, regenerated, or invalid OTPs.

Does Trivumo parse OTP codes automatically?+

Trivumo gives your tests access to the message content so you can extract codes from the subject, text, or HTML using your preferred test helper.

Can OTP tests run in CI?+

Yes. OTP email tests can run in CI/CD pipelines with isolated test inboxes and no manual copy-paste step.

Stop Manually Copying OTP Codes

Automate email OTP verification and catch MFA regressions before they reach users.

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