Well it worked for a while but now we're back here again.
{"linkedin":"{\"serviceErrorCode\":100,\"message\":\"Not enough permissions to access: POST \/ugcPosts\",\"status\":403}","info":{"url":"https:\/\/api.linkedin.com\/v2\/ugcPosts","content_type":"application\/json","http_code":403,"header_size":498,"request_size":903,"filetime":-1,"ssl_verify_result":0,"redirect_count":0,"total_time":0.323098,"namelookup_time":0.004137,"connect_time":0.028722,"pretransfer_time":0.082471,"size_upload":402,"size_download":98,"speed_download":303,"speed_upload":1244,"download_content_length":98,"upload_content_length":402,"starttransfer_time":0.32308899999999996,"redirect_time":0,"redirect_url":"","primary_ip":"185.63.145.4","certinfo":[],"primary_port":443,"local_ip":"","local_port":39988},"success":false,"error":"HTTP response from LinkedIn end-point was not code 201"}