Field-Field Id}-Context-Context Id}

Number of APIs: 3

1. Update Custom Field Context PUT {{baseUrl}}/rest/api/3/field/:fieldId/context/:contextId

2. Delete Custom Field Context DELETE {{baseUrl}}/rest/api/3/field/:fieldId/context/:contextId

3. Add Issue Types To Context PUT {{baseUrl}}/rest/api/3/field/:fieldId/context/:contextId/issuetype