# Resend

{% hint style="info" %} <sub>Email is slow social glue. It still wins when someone needs an artifact they can forward without shame.</sub>
{% endhint %}

<h2 align="center"><sub>This page means</sub></h2>

<table><thead><tr><th width="275.81817626953125">This page is</th><th>This page is not</th></tr></thead><tbody><tr><td><sub>Operator guidance for the Resend slot</sub></td><td><sub>Full deliverability engineering for every mailbox provider</sub></td></tr><tr><td><sub>Save, Test, domain hygiene</sub></td><td><sub>A promise that every message will land in the primary inbox</sub></td></tr></tbody></table>

<h2 align="center"><sub>How to get a Resend API key for ARIA</sub></h2>

{% stepper %}
{% step %} <sub>**Sign up and open API keys**</sub>

<sub>Create a Resend account. Go to</sub> [<sub>API keys</sub>](https://resend.com/api-keys) <sub>and sign in if prompted.</sub>
{% endstep %}

{% step %} <sub>**Create an API key**</sub>&#x20;

<sub>Create a key with a clear name, for example</sub> <sub></sub><sub>`aria-transactional`</sub><sub>. Copy the value once. Keys start with</sub> <sub></sub><sub>`re_`</sub><sub>.</sub>
{% endstep %}

{% step %} <sub>**Verify a sending domain for production**</sub>

<sub>Open</sub> [<sub>Domains</sub>](https://resend.com/domains)<sub>. Add your domain, add DNS records Resend shows, wait for verification. Use that domain in the “from” address your product expects.</sub>
{% endstep %}

{% step %} <sub>**Paste in ARIA Settings**</sub>

<sub>Open</sub> <sub></sub><sub>**Resend**</sub><sub>, paste the key,</sub> <sub></sub><sub>**Save**</sub><sub>, then</sub> <sub></sub><sub>**Test**</sub><sub>. Product copy describes a sandbox style test message. If Test fails, check domain verification and key permissions first.</sub>
{% endstep %}
{% endstepper %}

***

<h2 align="center"><sub>Ask a question</sub></h2>

<p align="center"><sub><strong>Which three emails must never fail silently for this launch?</strong></sub> <br><sub>If you cannot list them, you are not ready to tune copy yet.</sub></p>

<h3 align="center"><sub>Official Resend links</sub></h3>

<table><thead><tr><th width="250.36358642578125">Resource</th><th>URL</th></tr></thead><tbody><tr><td><sub>Resend dashboard</sub></td><td><a href="https://resend.com/overview"><sub>https://resend.com/overview</sub></a></td></tr><tr><td><sub>API keys</sub></td><td><a href="https://resend.com/api-keys"><sub>https://resend.com/api-keys</sub></a></td></tr><tr><td><sub>Domains (SPF, DKIM)</sub></td><td><a href="https://resend.com/domains"><sub>https://resend.com/domains</sub></a></td></tr><tr><td><sub>Resend docs</sub></td><td><a href="https://resend.com/docs"><sub>https://resend.com/docs</sub></a></td></tr></tbody></table>


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