API endpoint that allows Agencies to be viewed.

GET:
Return a list of all the existing users.

MODE:
Normal and Detailed
/2.2.0/agencies/?mode=detailed

FILTERS:
Parameters - 'featured', 'agency_type', 'country_code'
Example - /2.2.0/agencies/?featured=true

SEARCH EXAMPLE:
/2.2.0/agencies/?search=nasa

ORDERING:
Fields - 'id', 'name', 'featured'
Example - /2.2.0/agencies/?ordering=featured

The 'country_code' field is a string of comma separated ISO 3166 alpha-3 codes.

GET /2.2.0/agencies/154/?format=api
HTTP 200 OK
Allow: GET
Content-Type: application/json
Vary: Accept

{
    "id": 154,
    "url": "https://ll.thespacedevs.com/2.2.0/agencies/154/?format=api",
    "name": "Production Corporation Polyot",
    "featured": false,
    "type": "Commercial",
    "country_code": "RUS",
    "abbrev": "NP",
    "description": null,
    "administrator": null,
    "founding_year": null,
    "launchers": "",
    "spacecraft": "",
    "parent": null,
    "launch_library_url": null,
    "total_launch_count": 57,
    "successful_launches": 55,
    "consecutive_successful_launches": 21,
    "failed_launches": 2,
    "pending_launches": 0,
    "successful_landings": 0,
    "failed_landings": 0,
    "attempted_landings": 0,
    "consecutive_successful_landings": 0,
    "info_url": "http://www.polyot.su/",
    "wiki_url": "https://en.wikipedia.org/wiki/Production_Corporation_Polyot",
    "logo_url": null,
    "image_url": null,
    "nation_url": null,
    "launcher_list": [
        {
            "id": 325,
            "url": "https://ll.thespacedevs.com/2.2.0/config/launcher/325/?format=api",
            "name": "K65M-RB",
            "description": "Two stage Russian orbital launch vehicle.",
            "family": "",
            "full_name": "K65M-RB",
            "variant": "",
            "alias": "",
            "min_stage": 2,
            "max_stage": 2,
            "length": 32.4,
            "diameter": 2.4,
            "maiden_flight": "1980-12-05",
            "launch_mass": 109,
            "leo_capacity": null,
            "gto_capacity": null,
            "to_thrust": 1485,
            "apogee": null,
            "vehicle_range": null,
            "image_url": null,
            "info_url": "",
            "wiki_url": null,
            "consecutive_successful_launches": 4,
            "successful_launches": 4,
            "failed_launches": 0,
            "pending_launches": 0
        }
    ],
    "spacecraft_list": []
}