Get issue link

{
  "id": "10001",
  "type": {
    "id": "1000",
    "name": "Duplicate",
    "inward": "Duplicated by",
    "outward": "Duplicates",
    "self": "https://your-domain.atlassian.net/rest/api/3/issueLinkType/1000"
  },
  "inwardIssue": {
    "id": "10004",
    "key": "PR-3",
    "self": "https://your-domain.atlassian.net/rest/api/3/issue/PR-3",
    "fields": {
      "status": {
        "self": "https://your-domain.atlassian.net/rest/api/3/status/5",
        "description": "The issue is closed.",
        "iconUrl": "https://your-domain.atlassian.net/images/icons/closed.gif",
        "name": "Closed",
        "id": "5",
        "statusCategory": {
          "self": "https://your-domain.atlassian.net/rest/api/3/statuscategory/9",
          "id": 9,
          "key": "completed",
          "colorName": "green"
        }
      },
      "priority": {
        "self": "https://your-domain.atlassian.net/rest/api/3/priority/5",
        "statusColor": "#cfcfcf",
        "description": "Very little impact.",
        "iconUrl": "https://your-domain.atlassian.net/images/icons/priorities/trivial.png",
        "name": "Trivial",
        "id": "2"
      },
      "issuetype": {
        "self": "https://your-domain.atlassian.net/rest/api/3/issueType/1",
        "id": "1",
        "description": "A problem with the software.",
        "iconUrl": "https://your-domain.atlassian.net/secure/viewavatar?size=xsmall&avatarId=10316&avatarType=issuetype\",",
        "name": "Bug",
        "subtask": false,
        "avatarId": 10002,
        "entityId": "9d7dd6f7-e8b6-4247-954b-7b2c9b2a5ba2",
        "hierarchyLevel": 0,
        "scope": {
          "type": "PROJECT",
          "project": {
            "id": "10000",
            "key": "KEY",
            "name": "Next Gen Project"
          }
        }
      }
    }
  },
  "outwardIssue": {
    "id": "10004L",
    "key": "PR-2",
    "self": "https://your-domain.atlassian.net/rest/api/3/issue/PR-2",
    "fields": {
      "status": {
        "self": "https://your-domain.atlassian.net/rest/api/3/status/10000",
        "description": "The issue is currently being worked on.",
        "iconUrl": "https://your-domain.atlassian.net/images/icons/progress.gif",
        "name": "In Progress",
        "id": "10000",
        "statusCategory": {
          "self": "https://your-domain.atlassian.net/rest/api/3/statuscategory/1",
          "id": 1,
          "key": "in-flight",
          "colorName": "yellow",
          "name": "In Progress"
        }
      },
      "priority": {
        "self": "https://your-domain.atlassian.net/rest/api/3/priority/3",
        "statusColor": "#009900",
        "description": "Major loss of function.",
        "iconUrl": "https://your-domain.atlassian.net/images/icons/priorities/major.png",
        "name": "Major",
        "id": "1"
      },
      "issuetype": {
        "self": "https://your-domain.atlassian.net/rest/api/3/issueType/3",
        "id": "3",
        "description": "A task that needs to be done.",
        "iconUrl": "https://your-domain.atlassian.net/secure/viewavatar?size=xsmall&avatarId=10299&avatarType=issuetype\",",
        "name": "Task",
        "subtask": false,
        "avatarId": 1,
        "hierarchyLevel": 0
      }
    }
  }
}