# Create New Binary Blob

Creates a new binary blob in the user's account. The  and the  headers must represent the media type and MD5 hash of the binary blob content, respectively.

Endpoint: POST /v1/users/{userId}/blobs
Version: 1.0
Security: sessionToken

## Path parameters:

  - `userId` (string, required)
    Tidepool User ID

## Header parameters:

  - `Content-Type` (string, required)
    Content type of the resource
    Example: "application/octet-stream"

  - `Digest` (string, required)
    Base64-encoded MD5 hash of the resource, per RFC 3230
    Example: "md5=HUXZLQLMuI/KZ5KDcJPcOA=="

## Response 201 fields (application/json):

  - `id` (string, required)
    Blob ID
    Example: "97a9fae8a19b4da58bb48dc90c9562c9"

  - `userId` (string, required)
    String representation of a Tidepool User ID. Old style IDs are 10-digit strings consisting of only hexadeximcal digits. New style IDs are 36-digit [UUID v4](https://en.wikipedia.org/wiki/Universally_unique_identifier#Version_4_(random))

  - `digestMD5` (string, required)
    MD5 digest of the content per [RFC 1321](https://www.ietf.org/rfc/rfc1321.txt), encoded as base64 ([RFC 4648](https://www.ietf.org/rfc/rfc4648.txt)).
    Example: "HUXZLQLMuI/KZ5KDcJPcOA=="

  - `mediaType` (string, required)
    Media type as defined in [RFC 2045](https://www.ietf.org/rfc/rfc2045.txt).
    Example: "application/octet-stream"

  - `size` (integer, required)
    Size of the binary blob, in bytes
    Example: 1024

  - `status` (string, required)
    Blob status
    Enum: "created", "available"

  - `createdTime` (string, required)
    [RFC 3339](https://www.ietf.org/rfc/rfc3339.txt) / [ISO 8601](https://www.iso.org/iso-8601-date-and-time-format.html) timestamp _with_ timezone information
    Example: "2017-02-06T02:37:46Z"

  - `modifiedTime` (string)
    [RFC 3339](https://www.ietf.org/rfc/rfc3339.txt) / [ISO 8601](https://www.iso.org/iso-8601-date-and-time-format.html) timestamp _with_ timezone information
    Example: "2017-02-06T02:37:46Z"

  - `deletedTime` (string)
    [RFC 3339](https://www.ietf.org/rfc/rfc3339.txt) / [ISO 8601](https://www.iso.org/iso-8601-date-and-time-format.html) timestamp _with_ timezone information
    Example: "2017-02-06T02:37:46Z"

  - `revision` (integer, required)
    Revision number of the blob
    Example: 42