Account
No account is required for validation
The API key is for repeatable generation: create a seller profile, send invoice data, and receive the technical check plus report. You can still validate individual existing invoices for free without an account.
Metered plan
Secure sign-in, workspace, and billing
Sign in with Google, then manage workspace, seller profile, API keys, and billing in one place. The free validator stays available without an account.
OAuth after provider setupBilling portalAPI keysUsage limitsTest mode receipts prepared
API keys can be managed in the workspace after sign-in; checkout, invoice profile, and technical validation reports stay separate from the free validator.
Google Sign-in is the primary entry path
Google OAuth is activated after provider setup. Workspace sessions start after provider setup.
Billing after payment setup
Workspace session starts after provider setup API key management after sign-in Stripe portal after payment setup