curl --request GET \
  --url http://{host}:{port}/{contextPath}/process-definition/{id}/static-called-process-definitions \
  --header 'Authorization: Basic <encoded-value>'

[
  {
    "id": "ACalledProcess:1:1bbd4e83-f8f1-11eb-9344",
    "key": "ACalledProcess",
    "category": "http://www.omg.org/spec/BPMN/20100524/MODEL",
    "description": null,
    "name": "ACalledProcess",
    "version": 1,
    "resource": "called-process.bpmn",
    "deploymentId": "1baa3baf-f8f1-11eb-9344-0e0bbdd53e42",
    "diagram": null,
    "suspended": false,
    "tenantId": null,
    "versionTag": null,
    "historyTimeToLive": null,
    "calledFromActivityIds": [
      "aCallActivityId"
    ],
    "callingProcessDefinitionId": "aProcessDefinitionId",
    "startableInTasklist": true
  },
  {
    "id": "AnotherCalledProcess:2:1bc2f3d5-f8f1-11eb-9344",
    "key": "AnotherCalledProcess",
    "category": "http://www.omg.org/spec/BPMN/20100524/MODEL",
    "description": null,
    "name": "AnotherCalledProcess",
    "version": 2,
    "resource": "another-called-process.bpmn",
    "deploymentId": "1baa3baf-f8f1-11eb-9344-0e0bbdd53e42",
    "diagram": null,
    "suspended": false,
    "tenantId": null,
    "versionTag": null,
    "historyTimeToLive": null,
    "calledFromActivityIds": [
      "aSecondCallActivityId",
      "aThirdCallActivityId"
    ],
    "callingProcessDefinitionId": "aProcessDefinitionId",
    "startableInTasklist": true
  }
]