Getting 404 Error trying to get Voices List on Microsoft Text-to-speech

Question

I am just installing the REST version of Microsoft Text-to-speech.

I have successfully get the the AUTH token, and can actually retrieve the voice response. (So I know that my API key/endpoints are all working). My problem is that I keep getting a 404 error when I try to retrieve the VOICES LIST.

I copied the code directly from the microsoft website (https://docs.microsoft.com/en-us/azure/cognitive-services/speech-service/quickstart-python-get-text-to-speech-voices) as follows:

def get_voices(self):
    base_url = 'https://westus.tts.speech.microsoft.com'
    path = '/cognitiveservices/voices/list'
    get_voices_url = base_url + path
    headers = {
        'Authorization': 'Bearer ' + self.access_token
    }
    response = requests.get(get_voices_url, headers=headers)
    if response.status_code == 200:
        with open('voices.json', 'wb') as voices:
            voices.write(response.content)
            print("\nStatus code: " + str(response.status_code) +
                  "\nvoices.json is ready to view.\n")
    else:
        print("\nStatus code: " + str(
            response.status_code) + "\nSomething went wrong. Check your subscription key and headers.\n")

And, then I call it using:

if __name__ == "__main__":
subscription_key = [MY_API_KEY...this works]
app = GetVoices(subscription_key)
app.get_token()
app.get_voices()

The issue is that it returns "Status code: 404 Something went wrong. Check your subscription key and headers"

I do get a valid token (i know this because I can successfully call their save_audio() method with the same credentials and token), so that isn't the issue. I wonder if the URL's have changed? or if the documentation is out of date? doesn't seem like much else could go wrong.

(by the way, the documentation specifies using GET vs POST on this method...I have tried to both ways, with the same results).

Any ideas?

Yulin Li Yulin Li · Accepted Answer · 2020-06-20T13:42:38

I tried to get voice list using the python codes and Postman, they all worked for me. Error code 404 always means server unreachable, so, could you check your firewall settings to see if the link is blocked? You can simply visit https://westus.tts.speech.microsoft.com/cognitiveservices/voices/list using a browser, you will get a 401 instead of 404.

Getting 404 Error trying to get Voices List on Microsoft Text-to-speech

2 Answers