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/27/?format=api
HTTP 200 OK
Allow: GET
Content-Type: application/json
Vary: Accept

{
    "id": 27,
    "url": "https://ll.thespacedevs.com/2.2.0/agencies/27/?format=api",
    "name": "European Space Agency",
    "featured": false,
    "type": "Multinational",
    "country_code": "AUT,BEL,CZE,DNK,FIN,FRA,DEU,GRC,IRE,ITA,LUX,NLD,NOR,POL,PRT,ROU,ESP,SWE,CHE,GBR",
    "abbrev": "ESA",
    "description": "The European Space Agency is an intergovernmental organisation of 22 member states. Established in 1975 and headquartered in Paris, France, ESA has a worldwide staff of about 2,000 employees.\r\n\r\nESA's space flight programme includes human spaceflight (mainly through participation in the International Space Station program); the launch and operation of unmanned exploration missions to other planets and the Moon; Earth observation, science and telecommunication; designing launch vehicles; and maintaining a major spaceport, the Guiana Space Centre at Kourou, French Guiana.",
    "administrator": "Director General: Josef Aschbacher",
    "founding_year": "1975",
    "launchers": "",
    "spacecraft": "",
    "parent": null,
    "launch_library_url": null,
    "total_launch_count": 6,
    "successful_launches": 5,
    "consecutive_successful_launches": 4,
    "failed_launches": 1,
    "pending_launches": 1,
    "successful_landings": 0,
    "failed_landings": 0,
    "attempted_landings": 0,
    "consecutive_successful_landings": 0,
    "info_url": "http://www.esa.int/",
    "wiki_url": "http://en.wikipedia.org/wiki/European_Space_Agency",
    "logo_url": "https://spacelaunchnow-prod-east.nyc3.digitaloceanspaces.com/media/images/european2520space2520agency_logo_20221130101442.png",
    "image_url": null,
    "nation_url": null,
    "launcher_list": [],
    "spacecraft_list": []
}