32 lines
1.5 KiB
Plaintext
32 lines
1.5 KiB
Plaintext
---
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title: Transactional Emails
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description: Send emails via API
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icon: Send
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---
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Transactional emails are emails sent directly through the API. They are typically used for one-to-one communication, such as password resets, order confirmations, and notifications.
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## Sending with attachments
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Plunk supports sending attachments with transactional emails. By default, you can include up to 10 attachments per email with a maximum total size of 10MB. Attachments should be base64 encoded and included in the `attachments` array when sending the email via the [/v1/email/send](/api-reference/public-api/sendEmail) endpoint.
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The total message size cannot exceed 40 MB. Self-hosters can adjust the defaults — see [Environment variables](/self-hosting/environment-variables).
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## Sending from a template
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You can also send transactional emails using a [template](/concepts/templates) you have created in the dashboard. This allows you to reuse the same design and content for multiple emails, while still personalizing them with contact data.
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## What's next
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<Cards>
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<Card title="Send Email API" href="/api-reference/public-api/sendEmail">
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Full reference for `POST /v1/send`.
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</Card>
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<Card title="Templates" href="/concepts/templates">
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Author reusable email designs.
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</Card>
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<Card title="API keys" href="/guides/api-keys">
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Authenticating requests with `sk_*` and `pk_*` keys.
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</Card>
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<Card title="Webhooks" href="/guides/webhooks">
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Track delivery, opens, clicks, and bounces of your sends.
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</Card>
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</Cards> |