curl --request POST \
  --url http://localhost:4242/{computer_name}/api/keychain/authenticate \
  --header 'Content-Type: application/json' \
  --data '{
  "authElements": [
    {
      "type": "username",
      "value": "[email protected]"
    },
    {
      "type": "password",
      "value": "secret123"
    }
  ],
  "service": "github"
}'

true