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/29993/?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 29993,
    "uuid": "0a418abc19ee4700a49f9a86b519820f",
    "title": "Global Precipitation Measurements (GPM) Integrated Multi-satellitE Retrievals (IMERG)",
    "abstract": "This dataset contains Global Precipitation Measurements (GPM) Integrated Multi-satellitE Retrievals (IMERG) v5 and v6. The Global Precipitation Measurement (GPM) mission is an international network of satellites that provide the next-generation global observations of rain and snow.",
    "keywords": "GPM, NASA, rainfall, snow",
    "discoveryKeywords": [
        1138
    ],
    "publicationState": "published",
    "dataPublishedTime": "2020-01-06T09:59:41",
    "doiPublishedTime": null,
    "member": [
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/26515/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/observations/29978/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/129622/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/129623/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/129624/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/129626/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/129627/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/129628/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/129625/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/168793/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/168794/?format=api",
        "https://api.catalogue.ceda.ac.uk/api/v2/rpis/168795/?format=api"
    ]
}