Sendcorex

Transactional

Email APIREST API with SDKs for every languageSMTP RelayDrop-in relay for any SMTP library

Cold email & newsletter

Marketing CampaignsDesign, send & track newsletters

Tools

Email ValidatorVerify emails, remove bounces & spam trapsWarm-upBuild sender reputation with real inboxes

See your emails land in the inbox, not spam

Free deliverability monitoring on every plan

Documentation

Getting startedSend your first email in 5 minutesAPI referenceFull REST API documentation

Quick start

Node.js Python PHP C#
About us Our story and mission FAQ Common questions answered Contact Get in touch with our team System status All systems operational
Support & Sales

Let's talk.

Questions about SMTP, pricing, or migrating from another ESP? Our team replies fast — real people, not bots.

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Reach us directly

hi.core@sendcorex.comReplies within 24hOpen a ticketFrom your dashboard — for anything urgentCheck the FAQQuick answers to common questions

Other ways to reach us

Pick what works for you.

Email

For anything — sales, support, billing, or partnerships.

hi.core@sendcorex.com

Live chat

Fastest for urgent issues. Open the chat bubble from inside your dashboard.

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FAQ

Answers to the questions we get asked most, from setup to billing.

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