Resend

Live 38 Actions 20 Events

Resend Integration for AI Agents

Connect your AI agent to 38 Resend actions via MCP, A2A, or SDK, with agent authentication, tool-calling execution, and security built-in, plus 20 events to subscribe to.

Start Free Book Demo Resend MCP Server

Resend AI Agent Actions

38 production-ready actions for your agent to do more on Resend.

Read the Resend docs

38 Actions

Create API Key - Create an API key with an optional permission tier and domain restriction; the token is returned only once.

List API Keys - List all API keys for the account.

Update API Key - Rename an existing API key.

Delete API Key - Permanently delete an API key so it can no longer authenticate requests.

Create Broadcast - Create a broadcast email targeted at a segment, optionally sending it immediately.

Send Broadcast - Send or schedule an existing broadcast.

Retrieve Broadcast - Retrieve a single broadcast by its id.

List Broadcasts - List all broadcasts in the account.

Update Broadcast - Update an existing broadcast.

Delete Broadcast - Permanently delete a broadcast that has not been sent.

Create Contact - Add a contact with optional name, custom properties, segment membership and topic subscriptions.

Retrieve Contact - Retrieve a single contact by id or email address.

List Contacts - List contacts, optionally filtered by segment.

Update Contact - Update an existing contact by id or email address.

Delete Contact - Remove a contact from the audience by id or email address.

Create Domain - Add a new sending domain and receive the DNS records needed to verify it.

Verify Domain - Trigger DNS verification for a domain.

Retrieve Domain - Retrieve a single domain by its id.

List Domains - List all domains in the account.

Update Domain - Update a domain's tracking and TLS settings.

Delete Domain - Remove a domain so it can no longer be used to send email.

Send Email - Send a single email through Resend.

Send Batch Emails - Send up to 100 emails in a single batch request.

Retrieve Email - Retrieve a single sent email by its id.

List Emails - List sent emails for the account.

Update Email - Update a scheduled email, such as its send time.

Cancel Email - Cancel a scheduled email that has not yet been sent.

Create Segment - Create a segment used to group contacts for broadcasts.

Retrieve Segment - Retrieve a single segment by its id.

List Segments - List all segments in the account.

Update Segment - Rename an existing segment.

Delete Segment - Permanently delete a segment from the account.

Add Suppression - Add a single email address to the suppression list to stop future sends.

Retrieve Suppression - Retrieve a single suppression by its id.

List Suppressions - List all suppressed email addresses.

Remove Suppression - Remove a single suppression by its id.

Add Batch Suppressions - Add multiple email addresses to the suppression list in one request.

Remove Batch Suppressions - Remove multiple suppressions in one request.

Resend Webhook Events

20 real-time Resend events your AI agent can subscribe to.

Webhooks for AI agents Read the Resend docs

20 Events

Email Sent Fired when the Resend API request to send an email succeeds. The data object carries email_id, from, to, and subject.
Email Delivered Fired when an email is successfully delivered to the recipient's mail server.
Email Delivery Delayed Fired when an email could not be delivered due to a temporary issue and delivery is delayed.
Email Complained Fired when an email is delivered but the recipient marks it as spam.
Email Bounced Fired when the recipient's mail server permanently rejects the email.
Email Opened Fired when the recipient opens the email (open tracking must be enabled).
Email Clicked Fired when the recipient clicks a link in the email (click tracking must be enabled).
Email Failed Fired when an email fails to send due to an error.
Email Received Fired when Resend successfully receives an inbound email.
Email Scheduled Fired when an email is scheduled to be sent at a future time.
Email Suppressed Fired when an email is suppressed by Resend (the recipient is on the suppression list).
Contact Created Fired when a contact is created.
Contact Updated Fired when a contact is updated.
Contact Deleted Fired when a contact is deleted.
Contact Topics Updated Fired when a contact's topic subscriptions change.
Domain Created Fired when a sending domain is created.
Domain Updated Fired when a sending domain is updated.
Domain Deleted Fired when a sending domain is deleted.
Suppression Added Fired when an email address is added to the suppression list.
Suppression Removed Fired when an email address is removed from the suppression list.

Resend AI Agent Use Cases

Connect your AI agent to Resend and help your team scale the marketing operations they run by hand today.

Lead Nurture Sequences

Use StackOne to connect your AI agent to your marketing automation, CRM, and email tools to automate lead nurture email sequences.

View

Campaign Performance Reports

Use StackOne to connect your AI agent to your marketing automation, email, and analytics platforms to automate campaign performance reporting.

View

Content Repurposing

Use StackOne to connect your AI agent to your document stores, email platforms, and messaging tools to automate content repurposing and distribution.

View

More Marketing Automation use cases

Do More, Build Less

Integration Infrastructure for Resend AI Agents

Multiple Interfaces

Access integrations via API, AI SDKs, MCP & A2A.

Resend MCP server

Managed Authentication

Pre-built authentication UI.

Agent auth

Falcon Engine

Every Resend action runs on Falcon.

Agent Execution Engine

StackOne Defender

88.7% prompt injection detection.

Prompt injection defense

Start Free Book a Demo

"What impressed us most about StackOne is its ambition and clarity. They're creating infrastructure that modern software and the entire AI agent ecosystem can rely on. The depth of secure integrations, the pace of delivery, and the team's foresight into AI's future uniquely position StackOne to redefine this category."

Luna Schmid, Partner at GV

"We've been impressed by how quickly and deeply StackOne integrates with complex enterprise systems -- and now, with their focus on agent-to-agent interoperability, they're unlocking even more powerful use cases for customers. StackOne delivers all of the above in a universal layer -- without compromise."