# Twilio SendGrid Mail API API

> Twilio SendGrid Mail API API on Apizie: 3 endpoints (Create a batch ID., Validate a batch ID., Send Email with Twilio SendGrid.) 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-mail-v3/{endpoint} or from Claude, ChatGPT and Cursor through the Apizie MCP server. Free plan: 1,000 requests a month.

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

The Twilio SendGrid v3 Mail API allows you to send email at scale over HTTP. The Mail Send endpoint supports many levels of functionality, allowing you to send templates, set categories and custom arguments that can be…

## Endpoints

### Create a batch ID.
`POST https://apizie.tech/v1/communication:sendgrid-mail-v3/create-mail-batch` (byok)

| Parameter | Type | Required | Description |
|---|---|---|---|
| on-behalf-of | string | no | Use the `on-behalf-of` header to make API calls for a particular Subuser through the parent account. You can use this header to automate… |

### Validate a batch ID.
`GET https://apizie.tech/v1/communication:sendgrid-mail-v3/get-mail-batch` (byok)

| Parameter | Type | Required | Description |
|---|---|---|---|
| batch_id | string | yes | Set this parameter to the batch ID that's associated with the mail send you want to retrieve. |
| on-behalf-of | string | no | Use the `on-behalf-of` header to make API calls for a particular Subuser through the parent account. You can use this header to automate… |

### Send Email with Twilio SendGrid.
`POST https://apizie.tech/v1/communication:sendgrid-mail-v3/send-mail` (byok)

| Parameter | Type | Required | Description |
|---|---|---|---|
| Content-Encoding | string | no | Use this header when sending a gzip compressed mail body. Mail body compression is available to some high volume accounts. Submit a… |
| body | object | no | JSON request body |

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

## FAQ

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

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

### Can AI agents use the Twilio SendGrid Mail 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-mail-v3.

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