Linkedin V1 update-comments-as-company api throws

Question

We are using Linkedin v1 api update-comments-as-company endpoint to post comments on behalf of company page managed by the user. Nowadays this endpoint throws 500 error response while trying to add comment.

Example request:

curl -X POST -H "Authorization: Bearer xxxx" -H "Content-Type: application/json" -H "x-li-format: json" 'https://api.linkedin.com/v1/companies/12345/updates/key=UPDATE-c12345-640455667889990765/update-comments-as-company' --data '{"comment": "Posting as a company!"}'

Response:

{
  "errorCode": 0,
  "message": "Internal service error",
  "requestId": "OBVNKWRJDC",
  "status": 500,
  "timestamp": 1528183732917
}

Kindly help me to resolve this.