Open Access
Open Access to the OfSpectrum audio watermarking API.
Registration is open. Create an account, verify your email, and start embedding and detecting audio watermarks through the API.
Sign up with any email address — no invitation code and no waitlist.
New accounts come with a free starter allowance of encode and decode quota, plus a default watermark token — you can call the API right away.
Need more capacity? Apply for extra quota from the Balance panel inside your console.
Already have an account and need more quota?
Open the console and click the mail icon next to your Balance to send a quota request. We review it and top up your encode and decode quota once approved.
Open the consoleGet API access in three steps
- 1Create your account
Sign up with email and password, or continue with Google.
- 2Verify your email
Your account is activated with a free starter quota and a default watermark token.
- 3Call the API
Grab your API key in the console, then encode and decode your first file.
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