Get a list of Collections objects. Collections have a 1:1 mapping with Observations.

### Available end points:

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

### Available Methods:

- `GET`
- `HEAD`

### Available filters:

- `uuid`
- `title`
- `keywords`
- `discoveryKeywords`
- `publicationState`

### How to use filters:

- `/observationcollections/?uuid=ab4ca8d019d148f78afba1cd20872bdd`

- `/observationcollections.json?publicationState=citable`

GET /api/v2/observationcollections/25943/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 25943,
    "uuid": "597cdd6371ba410ea72bd4219181178c",
    "title": "QA4ECV LAI and FAPAR",
    "abstract": "The Leaf Area Index (LAI) and Fraction of Absorbed Photosynthetically Active Radiation (FAPAR) product is produced using a Two Stream Inversion Package (TIP) method applied to visible (VIS) and near infrared (NIR) broadband albedos (from the QA4ECV albedo product).\r\n\r\nBased on the global albedo data on 0.5 degree and 0.05 degree regular grids, TIP-LAI and TIP-FAPAR are available for 1982 to 2016.",
    "keywords": "",
    "discoveryKeywords": [],
    "publicationState": "preview",
    "dataPublishedTime": null,
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/25944/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/25945/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/204856/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/108456/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/204851/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/204852/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/204853/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/204854/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/204855/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/108457/?format=api"
    ]
}