Resend Integration — ModuleX AI

Field	Description	Required	Format
Resend API Key	Your Resend API key from resend.com/api-keys	Yes	`re_xxxxxxxxxxxxxxxxxxxxxxxxx`

send — Send an email using your Resend API key and from address.

Parameters

string

required

Email address to send from (e.g. “sender@example.com” or “Sender Name <sender@example.com>”)

string

required

Recipient email address (e.g. “recipient@example.com” or “Recipient Name <recipient@example.com>”)

string

required

Email subject line

string

required

Email body content (plain text or HTML based on content_type)

string

Content type for the body: “text” for plain text or “html” (Default: text)

string

Carbon copy recipient email address

string

Blind carbon copy recipient email address

string

Reply-to email address

string

Schedule email to be sent later in ISO 8601 format

string

Comma-separated key:value pairs for email tags (e.g. “category:welcome,type:onboarding”)

Response

{
  "additionalProperties": false,
  "properties": {
    "success": {
      "title": "Success",
      "type": "boolean"
    },
    "error": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Error"
    },
    "id": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Id"
    },
    "to": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "To"
    },
    "subject": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Subject"
    },
    "body": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Body"
    }
  },
  "required": [
    "success"
  ],
  "title": "SendOutput",
  "type": "object"
}

get_email — Retrieve details of a previously sent email by its ID.

Parameters

string

required

The ID of the email to retrieve

Response

{
  "$defs": {
    "EmailTag": {
      "additionalProperties": false,
      "description": "A single tag name/value pair attached to an email.",
      "properties": {
        "name": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Name"
        },
        "value": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Value"
        }
      },
      "title": "EmailTag",
      "type": "object"
    }
  },
  "additionalProperties": false,
  "properties": {
    "success": {
      "title": "Success",
      "type": "boolean"
    },
    "error": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Error"
    },
    "id": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Id"
    },
    "sender": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Sender"
    },
    "to": {
      "items": {
        "type": "string"
      },
      "title": "To",
      "type": "array"
    },
    "subject": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Subject"
    },
    "html": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Html"
    },
    "text": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Text"
    },
    "cc": {
      "items": {
        "type": "string"
      },
      "title": "Cc",
      "type": "array"
    },
    "bcc": {
      "items": {
        "type": "string"
      },
      "title": "Bcc",
      "type": "array"
    },
    "reply_to": {
      "items": {
        "type": "string"
      },
      "title": "Reply To",
      "type": "array"
    },
    "last_event": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Last Event"
    },
    "created_at": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Created At"
    },
    "scheduled_at": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Scheduled At"
    },
    "tags": {
      "items": {
        "$ref": "#/$defs/EmailTag"
      },
      "title": "Tags",
      "type": "array"
    }
  },
  "required": [
    "success"
  ],
  "title": "GetEmailOutput",
  "type": "object"
}

create_contact — Create a new contact in Resend.

Parameters

string

required

Email address of the contact

string

First name of the contact

string

Last name of the contact

boolean

Whether the contact is unsubscribed from all broadcasts

Response

{
  "additionalProperties": false,
  "properties": {
    "success": {
      "title": "Success",
      "type": "boolean"
    },
    "error": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Error"
    },
    "id": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Id"
    }
  },
  "required": [
    "success"
  ],
  "title": "CreateContactOutput",
  "type": "object"
}

list_contacts — List all contacts in Resend.

Response

{
  "$defs": {
    "ContactItem": {
      "additionalProperties": false,
      "description": "A single contact row in ``list_contacts``.",
      "properties": {
        "id": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Id"
        },
        "email": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Email"
        },
        "first_name": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "First Name"
        },
        "last_name": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Last Name"
        },
        "created_at": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Created At"
        },
        "unsubscribed": {
          "anyOf": [
            {
              "type": "boolean"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Unsubscribed"
        }
      },
      "title": "ContactItem",
      "type": "object"
    }
  },
  "additionalProperties": false,
  "properties": {
    "success": {
      "title": "Success",
      "type": "boolean"
    },
    "error": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Error"
    },
    "contacts": {
      "items": {
        "$ref": "#/$defs/ContactItem"
      },
      "title": "Contacts",
      "type": "array"
    },
    "has_more": {
      "anyOf": [
        {
          "type": "boolean"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Has More"
    }
  },
  "required": [
    "success"
  ],
  "title": "ListContactsOutput",
  "type": "object"
}

get_contact — Retrieve details of a contact by ID or email.

Parameters

string

required

The contact ID or email address to retrieve

Response

{
  "additionalProperties": false,
  "properties": {
    "success": {
      "title": "Success",
      "type": "boolean"
    },
    "error": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Error"
    },
    "id": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Id"
    },
    "email": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Email"
    },
    "first_name": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "First Name"
    },
    "last_name": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Last Name"
    },
    "created_at": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Created At"
    },
    "unsubscribed": {
      "anyOf": [
        {
          "type": "boolean"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Unsubscribed"
    }
  },
  "required": [
    "success"
  ],
  "title": "GetContactOutput",
  "type": "object"
}

update_contact — Update an existing contact in Resend.

Parameters

string

required

The contact ID or email address to update

string

Updated first name

string

Updated last name

boolean

Whether the contact should be unsubscribed from all broadcasts

Response

{
  "additionalProperties": false,
  "properties": {
    "success": {
      "title": "Success",
      "type": "boolean"
    },
    "error": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Error"
    },
    "id": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Id"
    }
  },
  "required": [
    "success"
  ],
  "title": "UpdateContactOutput",
  "type": "object"
}

delete_contact — Delete a contact from Resend by ID or email.

Parameters

string

required

The contact ID or email address to delete

Response

{
  "additionalProperties": false,
  "properties": {
    "success": {
      "title": "Success",
      "type": "boolean"
    },
    "error": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Error"
    },
    "id": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Id"
    },
    "deleted": {
      "anyOf": [
        {
          "type": "boolean"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Deleted"
    }
  },
  "required": [
    "success"
  ],
  "title": "DeleteContactOutput",
  "type": "object"
}

list_domains — List all domains in your Resend account.

Response

{
  "$defs": {
    "DomainItem": {
      "additionalProperties": false,
      "description": "A single domain row in ``list_domains``.",
      "properties": {
        "id": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Id"
        },
        "name": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Name"
        },
        "status": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Status"
        },
        "region": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Region"
        },
        "created_at": {
          "anyOf": [
            {
              "type": "string"
            },
            {
              "type": "null"
            }
          ],
          "default": null,
          "title": "Created At"
        }
      },
      "title": "DomainItem",
      "type": "object"
    }
  },
  "additionalProperties": false,
  "properties": {
    "success": {
      "title": "Success",
      "type": "boolean"
    },
    "error": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Error"
    },
    "domains": {
      "items": {
        "$ref": "#/$defs/DomainItem"
      },
      "title": "Domains",
      "type": "array"
    },
    "has_more": {
      "anyOf": [
        {
          "type": "boolean"
        },
        {
          "type": "null"
        }
      ],
      "default": null,
      "title": "Has More"
    }
  },
  "required": [
    "success"
  ],
  "title": "ListDomainsOutput",
  "type": "object"
}

Using

Providers

Building

Tools

Resend Integration for AI Agents & Workflows

Overview

Authentication

API Key Authentication

Required Credentials

Available Actions

Parameters

Response

Parameters

Response

Parameters

Response

Response

Parameters

Response

Parameters

Response

Parameters

Response

Response

Limits & Quotas

AgentMail

Gmail

Mailgun

Links

​Overview

​Authentication

​API Key Authentication

​Required Credentials

​Available Actions

​Parameters

​Response

​Parameters

​Response

​Parameters

​Response

​Response

​Parameters

​Response

​Parameters

​Response

​Parameters

​Response

​Response

​Limits & Quotas

​Related integrations

AgentMail

Gmail

Mailgun

​Links

Overview

Authentication

API Key Authentication

Required Credentials

Available Actions

Parameters

Response

Parameters

Response

Parameters

Response

Response

Parameters

Response

Parameters

Response

Parameters

Response

Response

Limits & Quotas

Related integrations

Links