# Twilio SendGrid User API API

> Twilio SendGrid User API API on Apizie: 9 endpoints (Get a user's account information., Retrieve your credit balance, Retrieve your account email address, Update your account email address, …) 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-user-v3/{endpoint} or from Claude, ChatGPT and Cursor through the Apizie MCP server. Free plan: 1,000 requests a month.

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

The Twilio SendGrid User API allows you to modify the settings of a SendGrid user account such as the user's email address or username. Keeping your user profile up to date helps SendGrid verify who you are and share…

## Endpoints

### Get a user's account information.
`GET https://apizie.tech/v1/communication:sendgrid-user-v3/list-account` (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… |

### Retrieve your credit balance
`GET https://apizie.tech/v1/communication:sendgrid-user-v3/list-credit` (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… |

### Retrieve your account email address
`GET https://apizie.tech/v1/communication:sendgrid-user-v3/list-email` (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… |

### Update your account email address
`POST https://apizie.tech/v1/communication:sendgrid-user-v3/update-email` (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 |

### Update your password
`POST https://apizie.tech/v1/communication:sendgrid-user-v3/update-password` (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 |

### Get a user's profile
`GET https://apizie.tech/v1/communication:sendgrid-user-v3/list-profile` (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… |

### Update a user's profile
`POST https://apizie.tech/v1/communication:sendgrid-user-v3/update-profile` (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 your username
`GET https://apizie.tech/v1/communication:sendgrid-user-v3/list-username` (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… |

### Update your username
`POST https://apizie.tech/v1/communication:sendgrid-user-v3/update-username` (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 |

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

## FAQ

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

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

### Can AI agents use the Twilio SendGrid User 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-user-v3.

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