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Email
Sequenzy logo

Email campaigns, subscribers and transactional email with 2,500 free emails/month.

Sequenzy API is a free Email API that requires apiKey authentication, is served over HTTPS and has unconfirmed CORS support.

Authentication
apiKey
HTTPS
Yes
CORS
Unknown
Category
Email
Uptime (30 days)
Up
Visit documentation ↗docs.sequenzy.com

Online · 2967 msTested Nov 15, 2026 · checked dailyIs it down? Status & uptime

About Sequenzy

Sequenzy is email marketing for developers: sequences, campaigns, and transactional email from one dashboard, API, CLI, or AI agent

Provider
Sequenzy
Website
docs.sequenzy.com ↗

Details from docs.sequenzy.com.

Key facts

  • HTTPS
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Sequenzy API FAQ

Who provides the Sequenzy API?

The Sequenzy API is provided by Sequenzy (docs.sequenzy.com). Sequenzy is email marketing for developers: sequences, campaigns, and transactional email from one dashboard, API, CLI, or AI agent

Is the Sequenzy API free?

Yes. The Sequenzy API is listed in the Email category of the public-apis directory, which only includes APIs that are free or have a free tier. Check its documentation for rate limits and paid plans.

Does the Sequenzy API require an API key?

Yes. The Sequenzy API uses apiKey authentication, so you need to register for credentials before making requests.

Can I call the Sequenzy API from the browser?

CORS support for the Sequenzy API is unknown. Test a request from the browser, and fall back to a server-side call if it is blocked.

Does the Sequenzy API support HTTPS?

Yes. The Sequenzy API is served over HTTPS, so it's safe to use in production.

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Sequenzy on Public APIs

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