All API requests require a Bearer token in the Authorization header. Tokens are scoped to a single partner account and environment.
Getting your API key
- Sign in to your Dashboard.
- Go to Settings > API Key.
- Both your sandbox or production keys will be viewable.
- Copy & use the key based on the environment.
Using your key
Key prefixes
nk_test_* - Sandbox. No charges, simulated registrations.
nk_live_* - Production. Real charges, real ICANN registrations.
Never expose keys in client-side code, Git repos, or logs. Use environment variables.
Key management
- Up to 2 active keys per account.
- Revoke any key instantly by getting in touch with us.
- Requests using a revoked key return 401 immediately.
Auth error codes
