Connect Resend to Definable AI

The universal API for sending emails.

About Resend

Resend is a productivity tool. Connect it to Definable AI with one-click OAuth2 — no API keys or custom code required.

What you can automate with Resend

Use Definable AI's agent platform to trigger workflows from Resend, process results with 50+ AI models, and sync data across 900+ connected apps.

Tools & Actions (62 available)

  • Add Contact To Segment: Add an existing contact to a segment in Resend. Use when you need to organize contacts into specific segments for targeted communication.
  • Cancel Email: Cancel a scheduled email.
  • Create API Key: Create a new API key to authenticate communications with Resend. Use when you need to generate a new authentication token for API access.
  • Create Audience: Create a list of contacts.
  • Create Contact: Create a contact in Resend.
  • Create Contact Property: Tool to create a new contact property in Resend. Use when you need to define custom fields for contacts.
  • Create Contact V2: Tool to create a new contact in Resend. Use when you need to add a contact to Resend without specifying an audience.
  • Create Domain: Create a domain through the Resend Email API.
  • Create Template: Tool to create a new email template in Resend. Use when you need to define reusable email templates with optional variables.
  • Create Topic: Tool to create a new topic to segment your audience. Use when you need to create a topic for organizing contacts by interests or preferences.
  • Create Webhook: Tool to create a webhook to receive real-time notifications about email events. Use when you need to set up automated notifications for email status changes.
  • Delete API Key: Remove an existing API key from Resend. Use when you need to revoke or delete an API key.
  • Delete Audience: Remove an existing audience.
  • Delete Contact: Delete a contact in Resend.
  • Delete Contact By ID: Tool to remove an existing contact by its ID. Use when you need to delete a contact directly without specifying an audience.
  • Delete Contact Property: Remove an existing contact property from Resend.
  • Delete Domain: Delete a domain through the Resend Email API.
  • Delete Segment: Remove an existing segment. Use when you need to permanently delete a segment by its ID.
  • Delete Template: Remove an existing template. Use this action when you need to delete a template from Resend.
  • Delete Topic: Tool to remove an existing topic in Resend. Use when you need to delete a topic.
  • Delete Webhook: Remove an existing webhook. Use this to delete a webhook configuration when you no longer need to receive event notifications at that endpoint.
  • Duplicate Template: Duplicate an existing template through the Resend Email API. Use when you need to create a copy of an existing template.
  • Get Contact: Tool to retrieve a single contact from Resend by ID or email. Use when you need to get details of a specific contact using the global contacts endpoint.
  • Get Contact Property: Tool to retrieve a single contact property from Resend. Use when you need to get details about a specific contact property by its ID.
  • Get Email Attachment: Retrieve a single attachment from a sent email. Use when you need to access attachment metadata and download URL.
  • Get Segment: Retrieve a single segment by its ID. Use when you need to get detailed information about a specific segment.
  • Get Template: Retrieve a single template by ID or alias from Resend. Use when you need to view template details.
  • Get Topic: Tool to retrieve a single topic by its ID in Resend. Use when you need to fetch details of a specific topic.
  • Get Webhook: Retrieve a single webhook for the authenticated user. Use this to get details about a specific webhook configuration including its endpoint, subscribed events, and signing secret.
  • List API Keys: Tool to retrieve a list of API keys for the authenticated user. Use when you need to view all API keys associated with the account, including pagination support for large result sets.
  • List All Contacts: Tool to retrieve a list of all contacts from Resend. Use when you need to fetch contacts across all audiences with optional pagination.
  • List Audiences: List all audiences.
  • List Broadcasts: Tool to retrieve a list of broadcasts. Use when you need to fetch all broadcasts or paginate through them.
  • List Contact Properties: Tool to retrieve a list of contact properties from Resend. Use when you need to view available contact property definitions.
  • List Contact Segments: Retrieve a list of segments that a contact is part of. Use when you need to determine which segments a specific contact belongs to.
  • List Contact Topics: Retrieve a list of topic subscriptions for a contact in Resend. Use when you need to check which topics a specific contact is subscribed to.
  • List Contacts: List contacts in Resend.
  • List Domains: List all domains.
  • List Email Attachments: Tool to retrieve a list of attachments from a sent email. Use when you need to get information about files attached to an email sent via Resend.
  • List Emails: Tool to retrieve a list of emails sent by your team. Use when you need to fetch outbound emails from your account. Supports pagination with limit, after, and before parameters.
  • List Received Emails: Tool to retrieve a list of received emails for the authenticated user. Use when you need to fetch incoming emails from the receiving endpoint.
  • List Segments: Tool to retrieve a list of segments from Resend. Use when you need to view all available segments for audience management.
  • List Templates: Tool to retrieve a list of templates from Resend. Use when you need to get all available templates with optional pagination support.
  • List Topics: Tool to retrieve a list of topics for the authenticated user. Use when you need to fetch available topics with optional pagination support.
  • List Webhooks: Retrieve a list of webhooks for the authenticated user. Use this to view all configured webhooks with their endpoints, event types, and status.
  • Publish Template: Publish a template through the Resend Email API. Use when you need to make a template publicly available.
  • Remove Contact From Segment: Remove an existing contact from a segment. Use when you need to disassociate a contact from a specific segment.
  • Retrieve Audience: Retrieve a single audience.
  • Retrieve Contact: Retrieve a contact in Resend.
  • Retrieve Domain: Retrieve a single domain.
  • Retrieve Email: Retrieve a single email.
  • Send Batch Emails: Trigger up to 100 batch emails at once. Use when you need to send multiple emails in a single API request.
  • Send Email: Send an email using Resend.
  • Update Broadcast: Update an existing broadcast in Resend. Use when you need to modify broadcast details like name, subject, content, or recipients.
  • Update Contact: Tool to update an existing contact in Resend by ID or email. Use when you need to modify contact details such as name or subscription status.
  • Update Contact Property: Update an existing contact property in Resend. Only the fallback_value can be updated; the key and type fields cannot be changed after creation.
  • Update Domain: Update an existing domain.
  • Update Email: Update a scheduled email.
  • Update Template: Tool to update an existing email template in Resend. Use when you need to modify template properties such as name, subject, HTML content, or variables.
  • Update Topic: Tool to update an existing topic in Resend. Use when you need to modify the name of a topic.
  • Update Webhook: Tool to update an existing webhook configuration. Use when you need to modify the endpoint URL, change event subscriptions, or enable/disable a webhook.
  • Verify Domain: Verify a domain through the Resend Email API.

How to connect Resend

  1. Sign in to Definable AI and go to Apps
  2. Search for Resend and click Connect
  3. Authorize via OAuth2 — takes under 30 seconds
  4. Use Resend actions in your AI agents and workflows