Unable to access Amazon Transcribe

This error message "The AWS Access Key Id needs a subscription for the service" with HTTP status code 403 indicates that your AWS account may not be properly set up to use Amazon Transcribe.

Here are some potential solutions:

1. Verify that your AWS account is fully activated. Sometimes new accounts require additional verification before all services become available.

2. Check that you're in a supported AWS Region for Amazon Transcribe. Not all AWS services are available in every region.

3. If you're using an IAM user or role, ensure it has the necessary permissions to access Amazon Transcribe. Your policies may need to be updated to include permissions for Amazon Transcribe actions.

4. You might need the iam:PassRole permission if your transcription job requires passing a role to Amazon Transcribe to access your resources.

5. For new accounts, there can sometimes be a delay before all services are fully accessible, even though you've created the account 24 hours ago.

If you continue to experience issues, I recommend contacting AWS Support for assistance specific to your account configuration.
Sources
Troubleshooting Amazon Transcribe identity and access - Amazon Transcribe
Common Errors - Amazon Transcribe