The following list contains Swagger urls for all environments. You need to get an API key and JWT token from the platform team to use Swagger.
MTAPI-INT (on premise): https://wwwappstest.tc.gc.ca/Saf-Sec-Sur/13/MTAPI-INT/swagger/ui/index
MTAPI-DEVINT (Kanga): https://wwwappstestwwwappstestext.tc.gc.ca/Saf-Sec-Sur/13/MTAPI-DEVINT/swagger/ui/index
MTAPI-PLATFORM-TESTDEV: https://wwwappstest.tc.gc.ca/Saf-Sec-Sur/13/MTAPI-PLATFORM-TESTDEV/swagger/ui/index
MTAPI-TEST: https://wwwappstest.tc.gc.ca/Saf-Sec-Sur/13/MTAPI-TEST/swagger/ui/index
MTAPI: https://wwwappstest.tc.gc.ca/Saf-Sec-Sur/13/MTAPI-TEST/swagger/ui/inde