REST API v3.0 · No SDK required

One endpoint.
All your emails.

A single POST to graph.sendcorex.com/v3.0/mail/send sends transactional and marketing emails. SDKs for 7 languages included.

3,000 emails/mo free
99.9% deliverability
< 5 min to first send
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SDKs & code snippets

Pick your language.

Copy and paste. Your first email sends in under 5 minutes.

index.js
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API capabilities

Everything in the API.

No add-ons, no upsells. Every feature is available from the free tier.

All of this, free on day one. No feature gating. No surprise bills. No credit card.
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Endpoints

Simple, predictable API.

RESTful, JSON in, JSON out. No XML. No SOAP. No surprises.

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    Start integrating in minutes. REST API + 7 SDKs. Works with any stack.
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    Frequently asked questions

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