使用Watson文本转语音官方示例时，如何获取用户名和密码？

Hey there! I’ve worked with IBM Watson’s Text to Speech service quite a bit, so let me help you sort out this credential issue.

First: Use Your API Key Directly (Recommended) #

You’re right that IBM is shifting to API Keys as the primary authentication method—they’re more secure and easier to manage than traditional username/password pairs. The good news is you don’t need to hunt down a username/password to get your demo working; you can adapt your code to use the API Key instead.

Here’s how to do it:

• API Key authentication uses HTTP Basic Auth, but with a twist: your "username" is the literal string apikey, and your "password" is your actual API Key.
• If you’re using curl, the request would look like this:

  curl -X POST -u "apikey:<YOUR_API_KEY>" \
  --header "Content-Type: application/json" \
  --data "{\"text\":\"Hello, this is a test\"}" \
  "<YOUR_SERVICE_INSTANCE_URL>/v1/synthesize"
  

• For a frontend demo (like the one you’re replicating), you can encode apikey:<YOUR_API_KEY> into a Base64 string and add it to the request headers as Authorization: Basic <base64_string>. Most modern browsers have built-in btoa() functions to handle this encoding easily.

If You Really Need Username/Password Credentials #

While API Keys are the way to go long-term, if you have a hard requirement for username/password:

• Log into your IBM Cloud console and navigate to your Text to Speech service instance.
• Go to the Credentials tab and click New credential.
• Look for an expandable section labeled Configuration options (it might be collapsed by default). Inside this, check if there’s an option to enable "legacy credentials" or specify a credential type that includes a username and password.
• If this option isn’t available, it’s likely because your service instance is a newer one that defaults to API Key-only credentials. In that case, creating an older instance might generate the legacy credentials, but I’d strongly advise sticking with API Keys since they’re the supported, future-proof method.

内容的提问来源于stack exchange，提问作者Manglu