Testing & QA
Zyntra
Email testing API for sign-up and password-reset flows
- 0community votes
- 3DR by Ahrefs no change since last check
Ahrefs Domain Rating listed 6 Nov 2026, relisted 25 Oct 2026.
Receive-only test inboxes with an API to test email flows in sign-ups, password resets, and magic-link logins without creating inboxes first.
What it is
Zyntra: the homepage
Zyntra is a receive-only email testing service that lets you test the email step of sign-up, password-reset, and magic-link login flows. Send mail to addresses in the form {teamId}.{anytext}@zyntramail.com and read it back over a REST API.
Your app sends emails through your own email provider and Zyntra receives them on a real mail server, following the same delivery path as production. Your test can read the latest email, which includes extracted links, using a simple HTTP request or the Node.js SDK.
Zyntra works with any test framework that can make HTTP requests, including Playwright, Cypress, Selenium, Jest, and pytest. You can also use the MCP server to integrate with AI coding agents. The service requires no inbox setup for temporary inboxes, though you can create permanent inboxes in the dashboard for longer retention and web viewing.
Listed capabilities
- REST API to read emails
- Automatic link extraction from emails
- Node.js SDK for testing
- MCP server for AI agents
- Web dashboard for manual QA
- Works with any HTTP test framework
- Email attachment support
- 30-second wait for email arrival
- Separate inboxes per test run with unique tags
- Variable mail retention by plan
Pricing
Pricing model: Freemium
Free: 150 emails/month, 500 API requests/month. Starter: $9/month billed yearly or $11/month billed monthly, 10,000 emails/month. Pro: $29/month billed yearly or $39/month billed monthly, 50,000 emails/month.
Follow Zyntra for an email about each milestone, update and new product they post, in a daily summary.
Zyntra metrics
| Metric | Value |
|---|---|
| Domain Rating | 3 no change since last check |
| Trust Flow | 3 no change since last check |
| Citation Flow | 28 no change since last check |
| Referring domains | 63 no change since last check |
| External backlinks | 150 no change since last check |
Ahrefs Domain Rating listed 6 Nov 2026, relisted 25 Oct 2026. Listed under topic: Computers/Software/Operating Systems (3). Majestic listed 25 Oct 2026, relisted 25 Oct 2026. Link data listed by Majestic. Trust Flow, Citation Flow and Topical Trust Flow are trademarks of Majestic-12 Ltd.
Zyntra domain listing data
Show the listing data
| Domain age | 1 year |
|---|---|
| Registered | |
| Expires | |
| Registrar | CloudFlare, Inc. |
| DNSSEC | Signed |
Zyntra launch receipt entry
| Measure | At launch, then latest |
|---|---|
| Domain Rating (Ahrefs) | 3 to 3 no change since launch 25 Oct 2026, then 6 Nov 2026 |
| Trust Flow (Majestic) | 3 first measured 25 Oct 2026 |
| Referring domains (Majestic) | 63 first measured 25 Oct 2026 |
Day 11 since launch. Next receipt: day 30, 24 Nov 2026. We show what changed, not what caused it: many things affect these numbers. Nothing here is estimated.
Before you launch
The playbook on SaaS Directory List lists what to prepare, what to post on launch day and where else to list your product.
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Quick answers
Do I have to create an inbox before I send to it?
No. Any address in the form {teamId}.{anytext}@zyntramail.com accepts mail as soon as you have a team. Create a permanent inbox in the dashboard only when you want to read its mail in the browser and keep it longer.
How long is mail kept?
Mail to a temporary inbox is kept 1 day on every plan. Mail to a permanent inbox is kept 7 days on Free, 30 on Starter and 90 on Pro.
Which test frameworks does it work with?
Any test runner that can make an HTTP request: Playwright, Cypress, Selenium, Jest, pytest and so on. For Node.js there is also an SDK, zyntramail-api.
How does my test know the email has arrived?
The /emails/last endpoint answers at once when the address already has mail, and otherwise holds the request open for up to 30 seconds until the email arrives. There are no webhooks.
Can I send email from Zyntra?
No. Zyntra only receives mail. Nothing in it can send an email, including the MCP server.
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