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Integrations

Resend

Send emails and manage contacts with Resend.

Use Resend to send emails, retrieve their status, manage contacts, and inspect domains. Configure a Resend API key and the sender, recipients, and content required by the operation.

Use returned email IDs to check delivery status. The block's actions define the available operations; template editing and analytics management are not exposed here.

Use the block

Send emails, retrieve email status, manage contacts, and view domains. Requires API Key.

Actions

Send Email

Send an email using your own Resend API key and from address

Inputs and outputs

Input

ParameterTypeRequiredDescription
fromAddressstringYesEmail address to send from (e.g., "sender@example.com" or "Sender Name <sender@example.com>")
tostringYesRecipient email address (e.g., "recipient@example.com" or "Recipient Name <recipient@example.com>")
subjectstringYesEmail subject line
bodystringYesEmail body content (plain text or HTML based on contentType)
contentTypestringNoContent type for the email body: "text" for plain text or "html" for HTML content
ccstringNoCarbon copy recipient email address
bccstringNoBlind carbon copy recipient email address
replyTostringNoReply-to email address
scheduledAtstringNoSchedule email to be sent later in ISO 8601 format
tagsstringNoComma-separated key:value pairs for email tags (e.g., "category:welcome,type:onboarding")
resendApiKeystringYesResend API key for sending emails

Output

ParameterTypeDescription
successbooleanWhether the email was sent successfully
idstringEmail ID returned by Resend
tostringRecipient email address
subjectstringEmail subject
bodystringEmail body content

Get Email

Retrieve details of a previously sent email by its ID

Inputs and outputs

Input

ParameterTypeRequiredDescription
emailIdstringYesThe ID of the email to retrieve
resendApiKeystringYesResend API key

Output

ParameterTypeDescription
idstringEmail ID
fromstringSender email address
toarrayRecipient email addresses
subjectstringEmail subject
htmlstringHTML email content
textstringPlain text email content
ccarrayCC email addresses
bccarrayBCC email addresses
replyToarrayReply-to email addresses
lastEventstringLast event status (e.g., delivered, bounced)
createdAtstringEmail creation timestamp
scheduledAtstringScheduled send timestamp
tagsarrayEmail tags as name-value pairs
↳ namestringTag name
↳ valuestringTag value

Cancel Email

Cancel a scheduled email before it is sent

Inputs and outputs

Input

ParameterTypeRequiredDescription
cancelEmailIdstringYesThe ID of the scheduled email to cancel
resendApiKeystringYesResend API key

Output

ParameterTypeDescription
idstringCanceled email ID

Create Contact

Create a new contact in Resend

Inputs and outputs

Input

ParameterTypeRequiredDescription
emailstringYesEmail address of the contact
firstNamestringNoFirst name of the contact
lastNamestringNoLast name of the contact
unsubscribedbooleanNoWhether the contact is unsubscribed from all broadcasts
resendApiKeystringYesResend API key

Output

ParameterTypeDescription
idstringCreated contact ID

List Contacts

List all contacts in Resend

Inputs and outputs

Input

ParameterTypeRequiredDescription
resendApiKeystringYesResend API key

Output

ParameterTypeDescription
contactsarrayArray of contacts
↳ idstringContact ID
↳ emailstringContact email address
↳ first_namestringContact first name
↳ last_namestringContact last name
↳ created_atstringContact creation timestamp
↳ unsubscribedbooleanWhether the contact is unsubscribed
hasMorebooleanWhether there are more contacts to retrieve

Get Contact

Retrieve details of a contact by ID or email

Inputs and outputs

Input

ParameterTypeRequiredDescription
contactIdstringYesThe contact ID or email address to retrieve
resendApiKeystringYesResend API key

Output

ParameterTypeDescription
idstringContact ID
emailstringContact email address
firstNamestringContact first name
lastNamestringContact last name
createdAtstringContact creation timestamp
unsubscribedbooleanWhether the contact is unsubscribed

Update Contact

Update an existing contact in Resend

Inputs and outputs

Input

ParameterTypeRequiredDescription
contactIdstringYesThe contact ID or email address to update
firstNamestringNoUpdated first name
lastNamestringNoUpdated last name
unsubscribedbooleanNoWhether the contact should be unsubscribed from all broadcasts
resendApiKeystringYesResend API key

Output

ParameterTypeDescription
idstringUpdated contact ID

Delete Contact

Delete a contact from Resend by ID or email

Inputs and outputs

Input

ParameterTypeRequiredDescription
contactIdstringYesThe contact ID or email address to delete
resendApiKeystringYesResend API key

Output

ParameterTypeDescription
idstringDeleted contact ID
deletedbooleanWhether the contact was successfully deleted

Create Audience

Create a new audience in Resend

Inputs and outputs

Input

ParameterTypeRequiredDescription
audienceNamestringYesThe name of the audience to create
resendApiKeystringYesResend API key

Output

ParameterTypeDescription
idstringCreated audience ID
namestringAudience name

Get Audience

Retrieve details of an audience by ID

Inputs and outputs

Input

ParameterTypeRequiredDescription
audienceIdstringYesThe ID of the audience to retrieve
resendApiKeystringYesResend API key

Output

ParameterTypeDescription
idstringAudience ID
namestringAudience name
createdAtstringAudience creation timestamp

List Audiences

List all audiences in Resend

Inputs and outputs

Input

ParameterTypeRequiredDescription
resendApiKeystringYesResend API key

Output

ParameterTypeDescription
audiencesarrayArray of audiences
↳ idstringAudience ID
↳ namestringAudience name
↳ created_atstringAudience creation timestamp
hasMorebooleanWhether there are more audiences to retrieve

Delete Audience

Delete an audience from Resend by ID

Inputs and outputs

Input

ParameterTypeRequiredDescription
audienceIdstringYesThe ID of the audience to delete
resendApiKeystringYesResend API key

Output

ParameterTypeDescription
idstringDeleted audience ID
deletedbooleanWhether the audience was successfully deleted

Create Broadcast

Create a broadcast email for an audience in Resend

Inputs and outputs

Input

ParameterTypeRequiredDescription
audienceIdstringYesThe ID of the audience to send the broadcast to
broadcastFromstringYesSender email address (e.g., "sender@example.com" or "Sender Name <sender@example.com>")
broadcastSubjectstringYesBroadcast email subject line
broadcastHtmlstringNoHTML content of the broadcast
broadcastTextstringNoPlain text content of the broadcast
broadcastReplyTostringNoReply-to email address
broadcastNamestringNoFriendly internal name for the broadcast
broadcastPreviewTextstringNoPreview text shown in the inbox before the email is opened
resendApiKeystringYesResend API key

Output

ParameterTypeDescription
idstringCreated broadcast ID

Send Broadcast

Send a broadcast immediately or schedule it for later

Inputs and outputs

Input

ParameterTypeRequiredDescription
broadcastIdstringYesThe ID of the broadcast to send
broadcastScheduledAtstringNoSchedule delivery in natural language (e.g., "in 1 min") or ISO 8601 format. Sends immediately if omitted
resendApiKeystringYesResend API key

Output

ParameterTypeDescription
idstringBroadcast ID

Get Broadcast

Retrieve details of a broadcast by ID

Inputs and outputs

Input

ParameterTypeRequiredDescription
broadcastIdstringYesThe ID of the broadcast to retrieve
resendApiKeystringYesResend API key

Output

ParameterTypeDescription
idstringBroadcast ID
namestringBroadcast name
audienceIdstringAudience ID (legacy)
segmentIdstringSegment ID (the current recipient field)
fromstringSender email address
subjectstringBroadcast subject
replyTostringReply-to email address
previewTextstringInbox preview text
statusstringBroadcast status (e.g., draft, sent)
createdAtstringBroadcast creation timestamp
scheduledAtstringScheduled send timestamp
sentAtstringTimestamp the broadcast was sent

List Domains

List all verified domains in your Resend account

Inputs and outputs

Input

ParameterTypeRequiredDescription
resendApiKeystringYesResend API key

Output

ParameterTypeDescription
domainsarrayArray of domains
↳ idstringDomain ID
↳ namestringDomain name
↳ statusstringDomain verification status
↳ regionstringRegion the domain is configured in
↳ createdAtstringDomain creation timestamp
hasMorebooleanWhether there are more domains to retrieve

Triggers

A trigger starts a workflow when a supported event occurs in this service.

Resend Email Bounced

Trigger workflow when an email bounces

Configuration and outputs

Configuration

ParameterTypeRequiredDescription
apiKeystringYesRequired to create the webhook in Resend.

Output

ParameterTypeDescription
typestringEvent type (e.g., email.sent, email.delivered)
created_atstringWebhook event creation timestamp (ISO 8601), top-level created_at
data_created_atstringEmail record timestamp from payload data.created_at (ISO 8601), when present — distinct from top-level created_at
email_idstringUnique email identifier
broadcast_idstringBroadcast ID associated with the email, when sent as part of a broadcast
template_idstringTemplate ID used to send the email, when applicable
tagsjsonTag key/value metadata attached to the email (payload data.tags)
fromstringSender email address
subjectstringEmail subject line
tojsonArray of recipient email addresses
datajsonRaw event data from Resend (shape varies by event type: email, contact, domain, etc.)
bounceTypestringBounce type (e.g., Permanent)
bounceSubTypestringBounce sub-type (e.g., Suppressed)
bounceMessagestringBounce error message

Resend Email Clicked

Trigger workflow when a link in an email is clicked

Configuration and outputs

Configuration

ParameterTypeRequiredDescription
apiKeystringYesRequired to create the webhook in Resend.

Output

ParameterTypeDescription
typestringEvent type (e.g., email.sent, email.delivered)
created_atstringWebhook event creation timestamp (ISO 8601), top-level created_at
data_created_atstringEmail record timestamp from payload data.created_at (ISO 8601), when present — distinct from top-level created_at
email_idstringUnique email identifier
broadcast_idstringBroadcast ID associated with the email, when sent as part of a broadcast
template_idstringTemplate ID used to send the email, when applicable
tagsjsonTag key/value metadata attached to the email (payload data.tags)
fromstringSender email address
subjectstringEmail subject line
tojsonArray of recipient email addresses
datajsonRaw event data from Resend (shape varies by event type: email, contact, domain, etc.)
clickIpAddressstringIP address of the click
clickLinkstringURL that was clicked
clickTimestampstringClick timestamp (ISO 8601)
clickUserAgentstringBrowser user agent string

Resend Email Complained

Trigger workflow when an email is marked as spam

Configuration and outputs

Configuration

ParameterTypeRequiredDescription
apiKeystringYesRequired to create the webhook in Resend.

Output

ParameterTypeDescription
typestringEvent type (e.g., email.sent, email.delivered)
created_atstringWebhook event creation timestamp (ISO 8601), top-level created_at
data_created_atstringEmail record timestamp from payload data.created_at (ISO 8601), when present — distinct from top-level created_at
email_idstringUnique email identifier
broadcast_idstringBroadcast ID associated with the email, when sent as part of a broadcast
template_idstringTemplate ID used to send the email, when applicable
tagsjsonTag key/value metadata attached to the email (payload data.tags)
fromstringSender email address
subjectstringEmail subject line
tojsonArray of recipient email addresses
datajsonRaw event data from Resend (shape varies by event type: email, contact, domain, etc.)

Resend Email Delivered

Trigger workflow when an email is delivered

Configuration and outputs

Configuration

ParameterTypeRequiredDescription
apiKeystringYesRequired to create the webhook in Resend.

Output

ParameterTypeDescription
typestringEvent type (e.g., email.sent, email.delivered)
created_atstringWebhook event creation timestamp (ISO 8601), top-level created_at
data_created_atstringEmail record timestamp from payload data.created_at (ISO 8601), when present — distinct from top-level created_at
email_idstringUnique email identifier
broadcast_idstringBroadcast ID associated with the email, when sent as part of a broadcast
template_idstringTemplate ID used to send the email, when applicable
tagsjsonTag key/value metadata attached to the email (payload data.tags)
fromstringSender email address
subjectstringEmail subject line
tojsonArray of recipient email addresses
datajsonRaw event data from Resend (shape varies by event type: email, contact, domain, etc.)

Resend Email Failed

Trigger workflow when an email fails to send

Configuration and outputs

Configuration

ParameterTypeRequiredDescription
apiKeystringYesRequired to create the webhook in Resend.

Output

ParameterTypeDescription
typestringEvent type (e.g., email.sent, email.delivered)
created_atstringWebhook event creation timestamp (ISO 8601), top-level created_at
data_created_atstringEmail record timestamp from payload data.created_at (ISO 8601), when present — distinct from top-level created_at
email_idstringUnique email identifier
broadcast_idstringBroadcast ID associated with the email, when sent as part of a broadcast
template_idstringTemplate ID used to send the email, when applicable
tagsjsonTag key/value metadata attached to the email (payload data.tags)
fromstringSender email address
subjectstringEmail subject line
tojsonArray of recipient email addresses
datajsonRaw event data from Resend (shape varies by event type: email, contact, domain, etc.)

Resend Email Opened

Trigger workflow when an email is opened

Configuration and outputs

Configuration

ParameterTypeRequiredDescription
apiKeystringYesRequired to create the webhook in Resend.

Output

ParameterTypeDescription
typestringEvent type (e.g., email.sent, email.delivered)
created_atstringWebhook event creation timestamp (ISO 8601), top-level created_at
data_created_atstringEmail record timestamp from payload data.created_at (ISO 8601), when present — distinct from top-level created_at
email_idstringUnique email identifier
broadcast_idstringBroadcast ID associated with the email, when sent as part of a broadcast
template_idstringTemplate ID used to send the email, when applicable
tagsjsonTag key/value metadata attached to the email (payload data.tags)
fromstringSender email address
subjectstringEmail subject line
tojsonArray of recipient email addresses
datajsonRaw event data from Resend (shape varies by event type: email, contact, domain, etc.)

Resend Email Sent

Trigger workflow when an email is sent

Configuration and outputs

Configuration

ParameterTypeRequiredDescription
apiKeystringYesRequired to create the webhook in Resend.

Output

ParameterTypeDescription
typestringEvent type (e.g., email.sent, email.delivered)
created_atstringWebhook event creation timestamp (ISO 8601), top-level created_at
data_created_atstringEmail record timestamp from payload data.created_at (ISO 8601), when present — distinct from top-level created_at
email_idstringUnique email identifier
broadcast_idstringBroadcast ID associated with the email, when sent as part of a broadcast
template_idstringTemplate ID used to send the email, when applicable
tagsjsonTag key/value metadata attached to the email (payload data.tags)
fromstringSender email address
subjectstringEmail subject line
tojsonArray of recipient email addresses
datajsonRaw event data from Resend (shape varies by event type: email, contact, domain, etc.)

Resend Webhook (All Events)

Start a workflow for subscribed Resend email, contact, and domain events. Flattened email fields may be null for non-email events; use data for the full payload.

Configuration and outputs

Configuration

ParameterTypeRequiredDescription
apiKeystringYesRequired to create the webhook in Resend.

Output

ParameterTypeDescription
typestringEvent type (e.g., email.sent, email.delivered)
created_atstringWebhook event creation timestamp (ISO 8601), top-level created_at
data_created_atstringEmail record timestamp from payload data.created_at (ISO 8601), when present — distinct from top-level created_at
email_idstringUnique email identifier
broadcast_idstringBroadcast ID associated with the email, when sent as part of a broadcast
template_idstringTemplate ID used to send the email, when applicable
tagsjsonTag key/value metadata attached to the email (payload data.tags)
fromstringSender email address
subjectstringEmail subject line
tojsonArray of recipient email addresses
datajsonRaw event data from Resend (shape varies by event type: email, contact, domain, etc.)
bounceTypestringBounce type (e.g., Permanent)
bounceSubTypestringBounce sub-type (e.g., Suppressed)
bounceMessagestringBounce error message
clickIpAddressstringIP address of the click
clickLinkstringURL that was clicked
clickTimestampstringClick timestamp (ISO 8601)
clickUserAgentstringBrowser user agent string
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