# Create document

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


Sync Document objects

## Servers
- https://sync.twilio.com: https://sync.twilio.com ()


## Authentication methods
- Account sid auth token


## Parameters

### Path parameters
- **ServiceSid** (string)
  The SID of the [Sync Service](https://www.twilio.com/docs/sync/api/service) to create the new Document resource in.


### Body: application/x-www-form-urlencoded (object)

- **UniqueName** (string)
  An application-defined string that uniquely identifies the Sync Document
- **Data** ()
  A JSON string that represents an arbitrary, schema-less object that the Sync Document stores. Can be up to 16 KiB in length.
- **Ttl** (integer)
  How long, [in seconds](https://www.twilio.com/docs/sync/limits#sync-payload-limits), before the Sync Document expires and is deleted (the Sync Document's time-to-live).


## Responses
### 201
Created
#### Headers
- **ETag** (string)

- **Access-Control-Allow-Origin** (string)
  Specify the origin(s) allowed to access the resource
- **Access-Control-Allow-Methods** (string)
  Specify the HTTP methods allowed when accessing the resource
- **Access-Control-Allow-Headers** (string)
  Specify the headers allowed when accessing the resource
- **Access-Control-Allow-Credentials** (boolean)
  Indicates whether the browser should include credentials
- **Access-Control-Expose-Headers** (string)
  Headers exposed to the client

#### Body: application/json (object)
- **sid** (string | null)
  The unique string that we created to identify the Document resource.
- **unique_name** (string | null)
  An application-defined string that uniquely identifies the resource. It can be used in place of the resource's `sid` in the URL to address the resource and can be up to 320 characters long.
- **account_sid** (string | null)
  The SID of the [Account](https://www.twilio.com/docs/iam/api/account) that created the Document resource.
- **service_sid** (string | null)
  The SID of the [Sync Service](https://www.twilio.com/docs/sync/api/service) the resource is associated with.
- **url** (string(uri) | null)
  The absolute URL of the Document resource.
- **links** (object(uri-map) | null)
  The URLs of resources related to the Sync Document.
- **revision** (string | null)
  The current revision of the Sync Document, represented as a string. The `revision` property is used with conditional updates to ensure data consistency.
- **data** (object | null)
  An arbitrary, schema-less object that the Sync Document stores. Can be up to 16 KiB in length.
- **date_expires** (string(date-time) | null)
  The date and time in GMT when the Sync Document expires and will be deleted, specified in [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601) format. If the Sync Document does not expire, this value is `null`. The Document resource might not be deleted immediately after it expires.
- **date_created** (string(date-time) | null)
  The date and time in GMT when the resource was created specified in [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601) format.
- **date_updated** (string(date-time) | null)
  The date and time in GMT when the resource was last updated specified in [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601) format.
- **created_by** (string | null)
  The identity of the Sync Document's creator. If the Sync Document is created from the client SDK, the value matches the Access Token's `identity` field. If the Sync Document was created from the REST API, the value is `system`.


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