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Resend integration

Resend is the modern email-sending option for SaaS. Connect your account and Business Studio sends confirmations, reminders and campaigns from your domain with high deliverability.

What this integration does

Send from your domain

Domain verified by Resend = authenticated email (SPF, DKIM, DMARC).

Transactional + marketing

Confirmations, reminders, recovery and campaigns in the same provider.

Native webhook

Open, click and bounce events flow back to Business Studio.

Encrypted API key

Your Resend key stays encrypted at rest.

How to connect

  1. 1

    Create an API key

    In the Resend panel, generate a key dedicated to AbstractOS.

  2. 2

    Verify your domain

    Configure DNS to authenticate the domain (SPF, DKIM).

  3. 3

    Connect on Abstract

    Paste the key in the Business Studio Integrations panel.

What we access

Transparency on the access this integration requires.

  • We use the API key to send emails on behalf of your configured domain.
  • Volume and cost follow the plan you maintain on Resend.
  • You can rotate or revoke the key at any time.

Frequently asked questions

Resend or SendGrid/Mailgun?
Resend is more modern in DX and UI. For very high volumes, SendGrid still has more infra maturity.
Do I need to verify the domain?
Yes, for deliverability. Without a verified domain, emails go to spam.

Build with Resend on Business Studio

Generate your app with AI and connect Resend in a few clicks.

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