Swagger Petstore - OpenAPI 3.0
GET/user/login

Log in a user

Authenticates a user by validating the supplied login credentials. Pass username and password as query parameters; neither is marked as required in the schema.

2 parameters
usernamestringoptional
The user's login name.
passwordstringoptional
The user's password, supplied as clear text.

3 status codes
200Returns a string containing the successful login response.
400Returned when the supplied username or password is invalid.
defaultUnexpected error

Error handling

A 400 is returned when the supplied username or password is invalid. Both query parameters are optional in the schema, so provide valid credentials when you want to log in.