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我一直在尝试注册一个回拨URL,以便与语音识别服务一起使用,但没有成功。 我发送了以下POST请求,正文{}
和身份验证。语音识别回拨注册失败
https://stream.watsonplatform.net/speech-to-text/api/v1/register_callback?callback_url=https://skaxsqsiq4.execute-api.us-east-1.amazonaws.com/test/watson/callback
我收到这样的响应:
{
"code": 400,
"code_description": "Bad Request",
"error": "unable to verify callback url, challenge_string is missing or incorrect"
}
尽管打电话给我的端点自己回声的挑战串
curl -XGET https://skaxsqsiq4.execute-api.us-east-1.amazonaws.com/test/watson/callback?challenge_string=12345
返回:
12345
您也可以从Bluemix UI中使用这些步骤打开一个支持票//ibm.biz/support_widget_instructions –