canonical: https://jentic.com/apis/sendgrid.com/twilio-sendgrid-marketing-campaigns-designs

# Sendgrid Twilio SendGrid Marketing Campaigns Designs

The Twilio SendGrid Designs API offers the ability to manage assets stored in the Twilio SendGrid [Design Library](https://mc.sendgrid.com/design-library/my-designs). The Design Library is a feature-rich email layout tool and media repository. You can [build designs for all your marketing email needs](https://sendgrid.com/docs/ui/sending-email/working-with-marketing-campaigns-email-designs/), incl. The API exposes 9 endpoints secured with bearer authentication.

## For AI agents

Programmatically create design, list designs. Covers 9 operations with bearer authentication.

## Scope

Does not handle payments, communications, or crm - use for marketing only.

## Capabilities

- Create Design
- List Designs
- Duplicate Design
- Get Design
- Update Design
- Delete Design

## Use cases

### Marketing Operations

Use the Twilio SendGrid Marketing Campaigns Designs to perform marketing operations programmatically. The API provides 9 endpoints covering core functionality including create design, list designs, duplicate design.

Example prompt: Call POST /v3/designs to create design

### Automated Designs Management

Automate designs operations by combining multiple Twilio SendGrid Marketing Campaigns Designs endpoints. Agents can list designs and then duplicate design in a single workflow.

Example prompt: Call GET /v3/designs to list designs, then verify the result

### AI Agent Integration via Jentic

AI agents discover and call Twilio SendGrid Marketing Campaigns Designs endpoints through Jentic without managing credentials directly. An agent searches for the required operation by intent, receives the matching endpoint schema, and executes the call with Jentic-managed authentication. This eliminates the need to read API documentation or handle bearer tokens manually.

Example prompt: Search Jentic for 'create design', load the operation schema, and execute with Jentic-managed credentials

## Key endpoints

| Method | Path | Description |
| --- | --- | --- |
| POST | /v3/designs | Create Design |
| GET | /v3/designs | List Designs |
| POST | /v3/designs/{id} | Duplicate Design |
| GET | /v3/designs/{id} | Get Design |
| PATCH | /v3/designs/{id} | Update Design |
| DELETE | /v3/designs/{id} | Delete Design |
| GET | /v3/designs/pre-builts | List SendGrid Pre-built Designs |
| POST | /v3/designs/pre-builts/{id} | Duplicate SendGrid Pre-built Design |

## Key resources

- **Designs** — Twilio SendGrid Marketing Campaigns Designs API

## Why Jentic

- **Setup:** Wiring the Twilio SendGrid Marketing Campaigns Designs API by hand means learning its bearer API key auth, pointing at the api.sendgrid.com host, and handling paging and retries yourself. Through Jentic you install once, import the Designs API from the API Directory, store the API key once, and your agent calls it.
- **Permission scoping:** This API puts the design id in the URL path (/v3/designs/{id}), so a rule can pin your agent to one design: it can read and duplicate that design and nothing else. You choose the operations it may call, so deleting a design with DELETE /v3/designs/{id} is not included unless you add it.
- **Credential handling:** Your Twilio SendGrid API key is stored once, encrypted, by your own Jentic One instance and injected at execution time. It never enters the agent's prompt, logs, or context.
- **Discovery method:** Agents search Jentic by intent such as 'create a design' or 'duplicate a pre-built design', and Jentic returns the matching Twilio SendGrid Designs API operation with its input schema so the agent calls the right endpoint without browsing the reference docs.

## Related APIs

- **Mailchimp** — Alternative marketing API
- **Hubspot** — Alternative marketing API

## FAQ

### What authentication does the Twilio SendGrid Marketing Campaigns Designs use?

The Twilio SendGrid Marketing Campaigns Designs uses a Bearer token in the Authorization header. Through Jentic, these credentials are stored encrypted in your Jentic One instance and injected at execution time, so raw secrets never enter the agent context.

### Can I create design with the Twilio SendGrid Marketing Campaigns Designs?

Yes. Use the POST /v3/designs endpoint. The API returns structured JSON responses that agents can parse and act on directly.

### What are the rate limits for the Twilio SendGrid Marketing Campaigns Designs?

Rate limits are not specified in the OpenAPI spec. Check the vendor documentation for current limits. Through Jentic, rate limiting is handled automatically with retry logic built into the execution layer.

### How do I create design through Jentic?

Install the Jentic SDK with pip install jentic, authenticate through Jentic One, the self-hosted execution layer, then search for 'create design'. Jentic returns the matching Twilio SendGrid Marketing Campaigns Designs operation with its input schema. Load the schema and execute the call - credentials are injected automatically.

### How many endpoints does the Twilio SendGrid Marketing Campaigns Designs have?

The Twilio SendGrid Marketing Campaigns Designs exposes 9 endpoints covering designs operations.

### Can I limit what my agent is allowed to do with the SendGrid Designs API?

Yes. Because you self-host Jentic One, your own rules decide which SendGrid Designs operations and credentials the agent may use. Since the design id sits in the URL path (/v3/designs/{id}), you can pin the agent to a single design so it only reads with GET /v3/designs/{id} and duplicates with POST /v3/designs/{id}. Destructive calls such as DELETE /v3/designs/{id} are excluded unless you explicitly add them to what the agent is allowed to call.