| Dev | https://apis-sandbox.cambridgeassessment.org.uk/ca-sessions-xapi-dev |
| Test | https://apis-sandbox.cambridgeassessment.org.uk/ca-sessions-xapi-qa1 |
| UAT | https://apis-sandbox.cambridgeassessment.org.uk/ca-sessions-xapi-pp2 |
| PROD | https://apis.cambridgeassessment.org.uk/ca-sessions |