Get a list of Identifier objects. Idenfifiers have a 1..*:1 mapping with Observations.

### Available end points:

- `/identifier/` - Will list all Results in the database
- `/identifier.json` - Will return all Results in json format
- `/identifier/<object_id>/` - Returns Results object with that id

### Available Methods:

- `GET`
- `HEAD`

### Available filters:

- `url`
- `idenfifierType`

### How to use filters:



`/identifier/?url=mst`

`/identifier.json?identifierType=ceda_abbreviation`

GET /api/v2/identifiers/8490/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 8490,
    "relatedTo": {
        "ob_id": 107,
        "uuid": "e58510a3dc514d068482c84253d2405f",
        "short_code": "instr"
    },
    "url": "umist-sonic-1",
    "identifierType": "ceda_abbreviation",
    "shortUrl": ""
}