generated: '2026-07-19' method: searched source: https://docs.evervault.com/developers/sandbox model: Sandbox Apps description: >- Evervault provides Sandbox Apps - isolated test environments that mirror production behaviour and grant access to all platform features. Data encrypted with a sandbox app can only be decrypted with that same app key, preventing cross-environment leakage. separation: mechanism: per-app keys (sandbox app vs production app) note: Test-vs-live is separated at the App level rather than by key prefix. testing_tools: - name: Card update simulation description: Simulate card account updater results. operation: simulateCardUpdate - name: Network token update simulation description: Simulate a network token update. operation: simulateNetworkTokenUpdate - name: Apple Pay test cards description: Sandbox supports Apple Pay test cards. docs: https://docs.evervault.com/cards/apple-pay - name: Webhook event simulation description: Trigger webhook events in the sandbox to test subscriber handling. docs: https://docs.evervault.com/developers/webhooks test_values: note: >- Evervault does not publish fixed magic test card numbers on the sandbox page; test cards are provided via the card-network testing sections and Apple/Google Pay test flows. No verbatim values captured to avoid fabrication.