FlowRelay: Send Email via Flow
- Pricing
-
Free plan available
- Rating
- 0.0 (0 Reviews)
- Developer
- IE Aleksei Kulikov
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Flow action for transactional email: your provider or SMTP, with fallback, track delivery outcomes
FlowRelay adds the Send transactional email action to Shopify Flow. Email content is customizable using Liquid variables — pull in order details, customer names, or any attribute from your workflow. Emails go out through your own provider (such as SendGrid, Resend, Mailgun, or Postmark) and domain via API key or SMTP. Delivery status is recorded for each email: delivered, bounced, or reported as spam. Use it for order confirmations, account notifications, internal alerts, or any custom email.
- Send emails from Shopify Flow workflows via API key or SMTP from your own domain
- Set a primary and backup provider — switches automatically if the primary fails
- See whether each email was delivered, bounced, or reported as spam
- Customize subject, preview text, and body with Liquid variables
- Send as your brand with a custom sender name, address, and reply-to
Languages
English
Works with
- Shopify Flow
- Shopify Admin
- Custom SMTP servers
- Mailgun
- Postmark
- Resend
- SendGrid
- SMTP
Categories
Campaign types
Managing campaigns
Pricing
Free
Free
Features
- 50 emails/month
- All providers
- 3-day sent email log
Starter
$9.99 / month
Features
- 500 emails/month
- All providers
- Fallback provider routing
- 30-day sent email log
- Email support
Growth
$29.99 / month
Features
- 2,500 emails/month
- All providers
- Fallback provider routing
- Delivery status tracking
- 90-day sent email log
- Email support
Scale
$49.99 / month
Features
- Unlimited emails
- All providers
- Fallback provider routing
- Delivery status tracking
- 180-day sent email log
- Priority processing
- Email support
All charges are billed in USD. Recurring and usage-based charges are billed every 30 days.
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Support
App support provided by IE Aleksei Kulikov.
Resources
Developer
Launched
May 18, 2026
Data access
This app needs access to the following data to work on your store. Learn why in the developer's privacy policy .
View staff and contributor data:
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Store owner
Name, email address, phone number, physical address
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