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/117/?format=api
HTTP 200 OK
Allow: GET
Content-Type: application/json
Vary: Accept

{
    "id": 117,
    "url": "https://ll.thespacedevs.com/2.2.0/agencies/117/?format=api",
    "name": "Eurockot Launch Services",
    "featured": false,
    "type": "Commercial",
    "country_code": "FRA,RUS",
    "abbrev": "ELS",
    "description": "Eurockot Launch Services GmbH is a commercial spacecraft launch provider and was founded in 1995. Eurockot uses an expendable launch vehicle called the Rockot to place satellites into low Earth orbit (LEO). Eurockot is jointly owned by ArianeGroup, which holds 51 percent, and by Khrunichev State Research and Production Space Center, which holds 49 percent. Eurockot launches from dedicated launch facilities at the Plesetsk Cosmodrome in northern Russia.",
    "administrator": null,
    "founding_year": null,
    "launchers": "",
    "spacecraft": "",
    "parent": null,
    "launch_library_url": null,
    "total_launch_count": 14,
    "successful_launches": 13,
    "consecutive_successful_launches": 8,
    "failed_launches": 1,
    "pending_launches": 0,
    "successful_landings": 0,
    "failed_landings": 0,
    "attempted_landings": 0,
    "consecutive_successful_landings": 0,
    "info_url": "http://www.eurockot.com/",
    "wiki_url": "http://en.wikipedia.org/wiki/Eurockot_Launch_Services",
    "logo_url": null,
    "image_url": null,
    "nation_url": null,
    "launcher_list": [],
    "spacecraft_list": []
}