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About SendGrid

SendGrid is a cloud email delivery platform owned by Twilio, offering both a developer-focused Email API for transactional messages and a Marketing Campaigns tool for bulk email. On February 26, 2026, sendgrid.com was consolidated under twilio.com, though the SendGrid products continue to operate unchanged. The platform is widely used by developers and growth teams for high-volume sending, with deliverability features including domain authentication, dedicated IPs, and advanced analytics.

AI Agent Use Cases

- Email API with dynamic templates and multi-language SDKs (Node.js, Python, Ruby, Go, Java, PHP)

- Real-time email validation and deliverability insights

- Dedicated IP addresses for reputation management (Pro plan and above)

- Sub-user API access for multi-tenant architectures

- Marketing Campaigns tool for bulk and segmented sends

- Webhooks and event tracking for delivery, opens, clicks, and bounces

Available Actions

These are the specific actions that AI agents can perform with this tool

Add Recipient to List

2 inputs

Add a recipient to a specific contact list in Twilio SendGrid.

Inputs

list_id

The ID of the list that you want to add the recipient to.

recipient_id

The ID of the recipient you are adding to the list.

Get All Marketing Lists

2 inputs

Retrieve a list of all marketing contact lists from the SendGrid API

Inputs

page_size

The maximum number of elements to return.

page_token

Used for pagination, indicates the page of results to retrieve.

Get Contacts by Emails

4 inputs

Fetch a list of contacts using their email addresses from the SendGrid API.

Inputs

emails

One or more primary and/or alternate email addresses to search for in your Marketing Campaigns contacts.

phone_number_id

The contact's Phone Number ID.

external_id

The contact's External ID.

anonymous_id

The contact's Anonymous ID.

Remove Contacts from List

2 inputs

Remove specific contacts from a marketing list in Twilio SendGrid

Inputs

The ID of the list from which you want to remove contacts.

contact_ids

Comma separated list of contact IDs that you want to remove from the specified list.

Twilio SendGrid Mail Send

8 inputs

Send an email using Twilio SendGrid's Mail Send API.

Inputs

personalizations

An array of messages and their metadata.

from

The email address and optional name from which messages are sent.

reply_to

The email address and optional name to which replies are sent.

subject

The subject of your email.

content

An array of objects containing a message body's content and MIME type.

attachments

Objects defining attachments included with the message.

template_id

An email template ID, dynamic or standard.