# Twilio SendGrid Templates API API

> Twilio SendGrid Templates API API on Apizie: 11 endpoints (Retrieve paged transactional templates., Create a transactional template., Retrieve a single transactional template., Duplicate a transactional template., …) returned as clean JSON through one API key. Send your own provider key in the x-upstream-key header. Call it over REST at https://apizie.tech/v1/communication:sendgrid-templates-v3/{endpoint} or from Claude, ChatGPT and Cursor through the Apizie MCP server. Free plan: 1,000 requests a month.

- Project key: `communication:sendgrid-templates-v3`
- Category: Communication
- Status: byok
- Source: https://www.twilio.com/docs/sendgrid/api-reference
- Page: https://apizie.tech/api/communication/sendgrid-templates-v3
- OpenAPI: https://apizie.tech/api/communication/sendgrid-templates-v3/openapi.json

The Twilio SendGrid Templates API allows you to create and manage email templates to be delivered with SendGrid's sending APIs. The templates you create will be available using a template ID that is passed to our…

## Endpoints

### Retrieve paged transactional templates.
`GET https://apizie.tech/v1/communication:sendgrid-templates-v3/list-template` (byok)

| Parameter | Type | Required | Description |
|---|---|---|---|
| generations | string | no | Comma-delimited list specifying which generations of templates to return. Options are `legacy`, `dynamic` or `legacy,dynamic`. |
| page_size | number | yes | The number of templates to be returned in each page of results |
| page_token | string | no | A token corresponding to a specific page of results, as provided by metadata |
| on-behalf-of | string | no | The `on-behalf-of` header allows you to make API calls from a parent account on behalf of the parent's Subusers or customer accounts. You… |

### Create a transactional template.
`POST https://apizie.tech/v1/communication:sendgrid-templates-v3/create-template` (byok)

| Parameter | Type | Required | Description |
|---|---|---|---|
| on-behalf-of | string | no | The `on-behalf-of` header allows you to make API calls from a parent account on behalf of the parent's Subusers or customer accounts. You… |
| body | object | no | JSON request body |

### Retrieve a single transactional template.
`GET https://apizie.tech/v1/communication:sendgrid-templates-v3/get-template` (byok)

| Parameter | Type | Required | Description |
|---|---|---|---|
| template_id | string | yes |  |
| on-behalf-of | string | no | The `on-behalf-of` header allows you to make API calls from a parent account on behalf of the parent's Subusers or customer accounts. You… |

### Duplicate a transactional template.
`POST https://apizie.tech/v1/communication:sendgrid-templates-v3/duplicate-template` (byok)

| Parameter | Type | Required | Description |
|---|---|---|---|
| template_id | string | yes |  |
| on-behalf-of | string | no | The `on-behalf-of` header allows you to make API calls from a parent account on behalf of the parent's Subusers or customer accounts. You… |
| body | object | no | JSON request body |

### Edit a transactional template.
`POST https://apizie.tech/v1/communication:sendgrid-templates-v3/update-template` (byok)

| Parameter | Type | Required | Description |
|---|---|---|---|
| template_id | string | yes |  |
| on-behalf-of | string | no | The `on-behalf-of` header allows you to make API calls from a parent account on behalf of the parent's Subusers or customer accounts. You… |
| body | object | no | JSON request body |

### Delete a template.
`POST https://apizie.tech/v1/communication:sendgrid-templates-v3/delete-template` (byok)

| Parameter | Type | Required | Description |
|---|---|---|---|
| template_id | string | yes |  |
| on-behalf-of | string | no | The `on-behalf-of` header allows you to make API calls from a parent account on behalf of the parent's Subusers or customer accounts. You… |

### Create a new transactional template version.
`POST https://apizie.tech/v1/communication:sendgrid-templates-v3/create-template-version` (byok)

| Parameter | Type | Required | Description |
|---|---|---|---|
| template_id | string | yes |  |
| on-behalf-of | string | no | The `on-behalf-of` header allows you to make API calls from a parent account on behalf of the parent's Subusers or customer accounts. You… |
| body | object | no | JSON request body |

### Retrieve a specific transactional template version.
`GET https://apizie.tech/v1/communication:sendgrid-templates-v3/get-template-version` (byok)

| Parameter | Type | Required | Description |
|---|---|---|---|
| template_id | string | yes | The ID of the original template |
| version_id | string | yes | The ID of the template version |
| on-behalf-of | string | no | The `on-behalf-of` header allows you to make API calls from a parent account on behalf of the parent's Subusers or customer accounts. You… |

### Edit a transactional template version.
`POST https://apizie.tech/v1/communication:sendgrid-templates-v3/update-template-version` (byok)

| Parameter | Type | Required | Description |
|---|---|---|---|
| template_id | string | yes | The ID of the original template |
| version_id | string | yes | The ID of the template version |
| on-behalf-of | string | no | The `on-behalf-of` header allows you to make API calls from a parent account on behalf of the parent's Subusers or customer accounts. You… |
| body | object | no | JSON request body |

### Delete a transactional template version.
`POST https://apizie.tech/v1/communication:sendgrid-templates-v3/delete-template-version` (byok)

| Parameter | Type | Required | Description |
|---|---|---|---|
| template_id | string | yes | The ID of the original template |
| version_id | string | yes | The ID of the template version |
| on-behalf-of | string | no | The `on-behalf-of` header allows you to make API calls from a parent account on behalf of the parent's Subusers or customer accounts. You… |

### Activate a transactional template version.
`POST https://apizie.tech/v1/communication:sendgrid-templates-v3/activate-template-version` (byok)

| Parameter | Type | Required | Description |
|---|---|---|---|
| template_id | string | yes | The ID of the original template |
| version_id | string | yes | The ID of the template version |
| on-behalf-of | string | no | The `on-behalf-of` header allows you to make API calls from a parent account on behalf of the parent's Subusers or customer accounts. You… |

## Example
```
curl "https://apizie.tech/v1/communication:sendgrid-templates-v3/list-template" \
  -H "x-api-key: $APIZIE_KEY" \
  -H "x-upstream-key: $PROVIDER_KEY"
```

## FAQ

### How do I call the Twilio SendGrid Templates API API?
Create a free Apizie key, then send GET https://apizie.tech/v1/communication:sendgrid-templates-v3/list-template with the header x-api-key. Every endpoint returns { project, data, timestamp }.

### Is the Twilio SendGrid Templates API API free on Apizie?
Yes. The Free plan includes 1,000 requests a month at 100 requests a minute, no credit card. Twilio SendGrid Templates API itself also needs your own key from sendgrid.com.

### Can AI agents use the Twilio SendGrid Templates API API?
Yes. Add the Apizie MCP server (https://apizie.tech/mcp) to Claude, ChatGPT, Cursor or VS Code, then ask in plain language. The agent calls run_scraper with project key communication:sendgrid-templates-v3.

### What is the status of the Twilio SendGrid Templates API API?
Needs your own provider key (bring your own key)