{
"external_user_ids": [
"string"
]
}curl --location -g --request POST 'https://open.weibanzhushou.com/open-api/external_user/eu_id2unionid?access_token=' \
--header 'Content-Type: application/json' \
--data-raw '{
"external_user_ids": [
"string"
]
}'{
"errcode": 0,
"errmsg": "string",
"result": [
{
"external_user_id": "string",
"unionid": "string"
}
]
}