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Versioned calculator embed builder

Build a sandboxed iframe for the selected educational calculator. Publisher-origin metadata is not an enforced server allowlist.

PLANNING TOOLS · PAYMENT EXCLUDED

Private planning and export

Goal drafts and explicit device saves are available. Scheduled server reports, background change watches and production B2B services are not active.

Versioned embed builder

Deployment controls

  • Pin contract version 1.
  • The publisher origin is documentation, not an enforced allowlist. Static hosting does not supply an origin-specific frame-ancestors header.
  • Use a named sandboxed iframe.
  • Keep consumer profiles, advertising and payment data out.
  • Set a restrictive frame-src and connect-src policy.

Generate a snippet to preview it. No key or customer data is required.