generated: '2026-07-20' method: searched source: https://docs.packagex.io/apis/getting-started/sandbox environment: name: sandbox api_base_url: https://sandbox--api.packagex.io dashboard_url: https://sandbox.packagex.io description: >- Isolated testing environment with functionality identical to production but a separate database and domain. The only difference is that fake payment information may be used — invoices and webhooks are still generated, but no charges are made. Sandbox and Production API keys are issued separately in the Dashboard. test_cards: - brand: visa number: '4242424242424242' cvc: any 3 digits expiry: any future date - brand: mastercard number: '5555555555554444' cvc: any 3 digits expiry: any future date - brand: amex number: '378282246310005' cvc: any 4 digits expiry: any future date - brand: discover number: '6011111111111117' cvc: any 3 digits expiry: any future date test_bank_account: routing: '110000000' account: '000999999991' test_tax: ein: '000000000' ssn_last4: '0000' test_payouts: dob: '1902-01-01' note: All values above are published verbatim in the PackageX sandbox docs.