{ "opengid": "oAAAAAAA" }
curl --location -g --request POST 'http://127.0.0.1/cgi-bin/externalcontact/opengid_to_chatid?access_token={{accesstoken}}' \ --header 'Content-Type: application/json' \ --data-raw '{ "opengid": "oAAAAAAA" }'
{ "errcode": 0, "errmsg": "string", "chat_id": "string" }