1. Open browser, visit https://console.cloud.google.com, login with your Google account, click "project", and then "NEW PROJECT"
2. Give your project a name and click "CREATE"
3. Click the "new project" and then click "Go to API’s overview"
4. Click "ENABLE APIS AND SERVICES"
5. Search "Cloud Vision API" and click
6. Click "ENABLE"
7. Click "CREATE CREDENTIALS"
8. Follow 1, 2, 3, and 4 below
9. Give Service Account Name and click "CREATE"
10. Skip options and click "DONE"
11. Click the Service Account
12. Click "KEYS"
13. Click "ADD KEY"
14. Select "JSON" and click "CREATE"
15. Credential file will be automatically downloaded to your PC --- Continue on with linking your Billing account
17. Click “Link a billing account.
18. Click “CREATE BILLING ACCOUNT”
19. Select Country. Check “Terms of Service”. Click “CONTINUE”
20. Fill out Customer info and Payment method.
21. Now you can use JSON key file in “Google Vison API” plugin
{"serverDuration": 288, "requestCorrelationId": "fdd1b94796414c9a9e1c86f0e2f2b3d8"}