Observation Collection Instance – Django REST framework

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/45366/?format=api

HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "ob_id": 45366,
    "uuid": "3466e9e3e72144e5941b35decb36c13a",
    "title": "ESA Precursors for Aerosols and Ozone Climate Change Initiative (Precursors_cci): Precursors morning NO2 L3 data products collection, version 1.1",
    "abstract": "This dataset collection is comprised of the European Space Agency's (ESA) Climate Change Initiative (CCI) Precursors for Aerosols and Ozone project morning NO2 (nitrogen dioxide) Level 3 (L3) data products.\r\n\r\nThe version number is 1.1. Data are available in NetCDF format.\r\n\r\nThe following products are included in this collection:\r\n- GOME NO2 L3 data products version 1.1\r\n- SCIAMACHY NO2 L3 data products version 1.1\r\n- GOME-2 NO2 L3 data products version 1.1",
    "keywords": "ESA, CCI, Precursors",
    "discoveryKeywords": [],
    "publicationState": "published",
    "dataPublishedTime": "2026-04-16T14:50:58",
    "doiPublishedTime": null,
    "member": [
        "https://catalogue.ceda.ac.uk/api/v2/observations/45795/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/observations/45796/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/observations/45797/?format=api"
    ],
    "identifier_set": [],
    "responsiblepartyinfo_set": [
        "https://catalogue.ceda.ac.uk/api/v2/rpis/217054/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/rpis/217055/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/rpis/217056/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/rpis/217057/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/rpis/217058/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/rpis/217059/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/rpis/217060/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/rpis/218681/?format=api",
        "https://catalogue.ceda.ac.uk/api/v2/rpis/218682/?format=api"
    ]
}