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Resend

Send emails, manage contacts, create broadcasts, handle templates, domains, segments, topics, and webhooks using the Resend email platform

Actions84

Email → Send Batch

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Overview

This node operation sends a batch of emails in a single API call using the Resend email platform. It supports sending up to 100 emails per batch, where each email can have different recipients, content, and options. This is useful for scenarios where you need to send multiple customized emails efficiently, such as marketing campaigns, notifications, or transactional emails.

Use Case Examples

  1. Sending a batch of personalized promotional emails to different customers with unique content and subject lines.
  2. Sending notification emails to multiple users with different CC, BCC, and reply-to addresses in one API request.

Properties

Name Meaning
Emails An array of emails to send in a single batch. Each email can have its own recipients, content, and options such as BCC, CC, headers, reply-to address, tags, topic ID, email format, sender address, HTML content, subject, template usage, template variables, plain text content, and recipient addresses.
Batch Options Options for the batch request such as an idempotency key to ensure the batch is processed only once and validation mode to control how strictly the batch is validated (strict rejects entire batch on any invalid email, permissive sends valid emails and returns errors for invalid ones).

Output

JSON

  • batchId - Identifier for the batch request.
  • results - Array of results for each email sent in the batch, including success or error details.

Dependencies

  • Requires an API key credential for the Resend email platform to authenticate and send emails.

Troubleshooting

  • Common issues include exceeding the maximum batch size of 100 emails, invalid email addresses causing batch validation failures, and missing required fields such as sender address or subject line.
  • Error messages may indicate validation errors for individual emails or the entire batch depending on the validation mode. To resolve, check email formats, required fields, and use the permissive validation mode to send valid emails while identifying invalid ones.

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