Resend

Resend is a modern email service designed for developers to send transactional and marketing emails with ease. It provides a simple, reliable API and dashboard for managing email delivery, templates, and analytics, making it a popular choice for integrating email functionality into applications and workflows.

With Resend, you can:

Send transactional emails: Deliver password resets, notifications, confirmations, and more with high deliverability
Manage templates: Create and update email templates for consistent branding and messaging
Track analytics: Monitor delivery, open, and click rates to optimize your email performance
Integrate easily: Use a straightforward API and SDKs for seamless integration with your applications
Ensure security: Benefit from robust authentication and domain verification to protect your email reputation

In Cadense, the Resend integration allows your agents to programmatically send emails as part of your automated workflows. This enables use cases such as sending notifications, alerts, or custom messages directly from your Cadense-powered agents. By connecting Cadense with Resend, you can automate communication tasks, ensuring timely and reliable email delivery without manual intervention. The integration leverages your Resend API key, keeping your credentials secure while enabling powerful email automation scenarios.

Parameter	Type	Required	Description
`fromAddress`	string	Yes	Email address to send from (e.g., "[email protected]" or "Sender Name <[email protected]>")
`to`	string	Yes	Recipient email address (e.g., "[email protected]" or "Recipient Name <[email protected]>")
`subject`	string	Yes	Email subject line
`body`	string	Yes	Email body content (plain text or HTML based on contentType)
`contentType`	string	No	Content type for the email body: "text" for plain text or "html" for HTML content
`cc`	string	No	Carbon copy recipient email address
`bcc`	string	No	Blind carbon copy recipient email address
`replyTo`	string	No	Reply-to email address
`scheduledAt`	string	No	Schedule email to be sent later in ISO 8601 format
`tags`	string	No	Comma-separated key:value pairs for email tags (e.g., "category:welcome,type:onboarding")
`resendApiKey`	string	Yes	Resend API key for sending emails

Output

Parameter	Type	Description
`success`	boolean	Whether the email was sent successfully
`id`	string	Email ID returned by Resend
`to`	string	Recipient email address
`subject`	string	Email subject
`body`	string	Email body content

`resend_get_email`

Retrieve details of a previously sent email by its ID

Input

Parameter	Type	Required	Description
`emailId`	string	Yes	The ID of the email to retrieve
`resendApiKey`	string	Yes	Resend API key

Output

Parameter	Type	Description
`id`	string	Email ID
`from`	string	Sender email address
`to`	json	Recipient email addresses
`subject`	string	Email subject
`html`	string	HTML email content
`text`	string	Plain text email content
`cc`	json	CC email addresses
`bcc`	json	BCC email addresses
`replyTo`	json	Reply-to email addresses
`lastEvent`	string	Last event status (e.g., delivered, bounced)
`createdAt`	string	Email creation timestamp
`scheduledAt`	string	Scheduled send timestamp
`tags`	json	Email tags as name-value pairs

`resend_create_contact`

Create a new contact in Resend

Input

Parameter	Type	Required	Description
`email`	string	Yes	Email address of the contact
`firstName`	string	No	First name of the contact
`lastName`	string	No	Last name of the contact
`unsubscribed`	boolean	No	Whether the contact is unsubscribed from all broadcasts
`resendApiKey`	string	Yes	Resend API key

Output

Parameter	Type	Description
`id`	string	Created contact ID

`resend_list_contacts`

List all contacts in Resend

Input

Parameter	Type	Required	Description
`resendApiKey`	string	Yes	Resend API key

Output

Parameter	Type	Description
`contacts`	json	Array of contacts with id, email, first_name, last_name, created_at, unsubscribed
`hasMore`	boolean	Whether there are more contacts to retrieve

`resend_get_contact`

Retrieve details of a contact by ID or email

Input

Parameter	Type	Required	Description
`contactId`	string	Yes	The contact ID or email address to retrieve
`resendApiKey`	string	Yes	Resend API key

Output

Parameter	Type	Description
`id`	string	Contact ID
`email`	string	Contact email address
`firstName`	string	Contact first name
`lastName`	string	Contact last name
`createdAt`	string	Contact creation timestamp
`unsubscribed`	boolean	Whether the contact is unsubscribed

`resend_update_contact`

Update an existing contact in Resend

Input

Parameter	Type	Required	Description
`contactId`	string	Yes	The contact ID or email address to update
`firstName`	string	No	Updated first name
`lastName`	string	No	Updated last name
`unsubscribed`	boolean	No	Whether the contact should be unsubscribed from all broadcasts
`resendApiKey`	string	Yes	Resend API key