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/5556/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 5556,
    "relatedTo": {
        "ob_id": 8658,
        "uuid": "cf0218f6f7f9d3a4a0f3bf507a589b5b",
        "short_code": "proj"
    },
    "url": "ARSF_02_04",
    "identifierType": "ceda_abbreviation",
    "shortUrl": ""
}