# Twilio SendGrid Scheduled Sends API API

> Twilio SendGrid Scheduled Sends API API on Apizie: 5 endpoints (Retrieve all scheduled sends, Cancel or pause a scheduled send, Retrieve scheduled send, Update a scheduled send, …) 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-scheduled-sends-v3/{endpoint} or from Claude, ChatGPT and Cursor through the Apizie MCP server. Free plan: 1,000 requests a month.

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

The Twilio SendGrid Scheduled Sends API allows you to cancel or pause the send of one or more emails using a batch ID. A `batch_id` groups multiple scheduled mail send requests together with the same ID. You can cancel…

## Endpoints

### Retrieve all scheduled sends
`GET https://apizie.tech/v1/communication:sendgrid-scheduled-sends-v3/list-scheduled-send` (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… |

### Cancel or pause a scheduled send
`POST https://apizie.tech/v1/communication:sendgrid-scheduled-sends-v3/create-scheduled-send` (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 scheduled send
`GET https://apizie.tech/v1/communication:sendgrid-scheduled-sends-v3/get-scheduled-send` (byok)

| Parameter | Type | Required | Description |
|---|---|---|---|
| batch_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… |

### Update a scheduled send
`POST https://apizie.tech/v1/communication:sendgrid-scheduled-sends-v3/update-scheduled-send` (byok)

| Parameter | Type | Required | Description |
|---|---|---|---|
| batch_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 cancellation or pause from a scheduled send
`POST https://apizie.tech/v1/communication:sendgrid-scheduled-sends-v3/delete-scheduled-send` (byok)

| Parameter | Type | Required | Description |
|---|---|---|---|
| batch_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… |

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

## FAQ

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

### Is the Twilio SendGrid Scheduled Sends 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 Scheduled Sends API itself also needs your own key from sendgrid.com.

### Can AI agents use the Twilio SendGrid Scheduled Sends 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-scheduled-sends-v3.

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