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Products · Grosend

One API. Infinite emails.

The email API built for product teams — send transactional emails and track every delivery, open, click, and bounce from one place.

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What it does

Everything you need to send.

Clean REST + SMTP

Send in three lines from any language — or connect any app via standard SMTP relay.

Deliverability

Warmed IPs, isolated streams, DKIM/SPF/DMARC, and dedicated IPs for high volume.

Tracking & webhooks

Real-time opens, clicks, bounces, and HMAC-signed event payloads for every email.

Templates & domains

Drag-and-drop templates with HTML mode, unlimited domains verified in minutes.

How it works

Sending in under two minutes.

01

Sign up free

Create an account with no credit card — start with 4,000 free emails.

02

Verify domain

Add your domain and we handle DKIM, SPF, and DMARC automatically.

03

Send via API

Grab your API key and send your first email with a single HTTP request.

By the numbers

Infrastructure that just works.

  • 99.9%
    Deliverability

    Built on warmed IPs — inbox, not spam.

  • <2s
    Avg. delivery

    Real-time delivery logs for every send.

  • PAYG
    Simple pricing

    Pay as you go per 1,000 emails — balance never expires.

Let's build the thing you keep putting off.

SaaS products, custom development, or infrastructure — tell us what you're building. First consultation is free.

No commitment required · Response within 24 hours