# Create alpha sender

**POST /v1/Services/{ServiceSid}/AlphaSenders**


A Messaging Service resource to add, fetch or remove an Alpha Sender ID from a Messaging Service.

## Servers



## Parameters

### Path parameters
- **ServiceSid** (string)
  The SID of the [Service](https://www.twilio.com/docs/chat/rest/service-resource) to create the resource under.


### Body:  (object)

- **AlphaSender** (string)
  The Alphanumeric Sender ID string. Can be up to 11 characters long. Valid characters are A-Z, a-z, 0-9, space, and hyphen `-`. This value cannot contain only numbers.


## Responses
### 201
Created

#### Body:  (object)
- **account_sid** (string | null)
  The SID of the Account that created the resource
- **alpha_sender** (string | null)
  The Alphanumeric Sender ID string
- **capabilities** (array[string] | null)
  An array of values that describe whether the number can receive calls or messages
- **date_created** (string(date-time) | null)
  The ISO 8601 date and time in GMT when the resource was created
- **date_updated** (string(date-time) | null)
  The ISO 8601 date and time in GMT when the resource was last updated
- **service_sid** (string | null)
  The SID of the Service that the resource is associated with
- **sid** (string | null)
  The unique string that identifies the resource
- **url** (string(uri) | null)
  The absolute URL of the AlphaSender resource


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