Trial data is rate-limited and automatically deleted after 30 days. When your trial key is issued, Zamp automatically configures the test environment to include all 47 remote seller state registrations.
Step 1: Request your API key
Fill out the form below with your business email. Once you submit, we’ll email your trial API key to that address.Step 2: Check your email
Your trial API key arrives by email at the address you provided.- The key is valid for 30 days.
- All test-environment data is automatically deleted after 30 days.
- Keep your key safe, and request a new one if you suspect it has been compromised.
Step 3: Authenticate and begin testing
Add your key to theAuthorization header to authenticate requests — see Authentication for details.
Once you’re authenticated, head to the Calculations endpoint to run your first tax calculation.