generated: '2026-07-23'
method: searched
source: https://www.developer.co-operativebank.co.uk/help-and-support/sandbox-environment/
docs: https://www.developer.co-operativebank.co.uk/help-and-support/sandbox-environment/
environment:
  name: Open Banking sandbox
  token_endpoint: https://sandbox-openbanking-retail.apis.co-operativebanktest.co.uk/apis/oauth/v1/oauth2/token
  access: >-
    Granted after manual TPP sandbox onboarding (sandbox onboarding form to
    tpp.onboarding@co-operativebank.co.uk with FCA/GFSC proof, OB Directory SSA
    and certificates).
test_psu_users:
- username: Cbtester01
  note: FundsAvailabilityParameter = True
- username: Cbtester1025
  note: FundsAvailabilityParameter = False
- note: Live PSU usernames and credentials are provided only after successful onboarding.
test_payment_ids:
- context: Domestic and future-dated payments
  value: '123456'
- context: Standing orders
  value: '123456789'
mock_data:
  includes: [PSU information, accounts, transactions, balances, beneficiaries, direct debits, standing orders, scheduled payments, product]
supported:
- Primary authentication
- Mock data for set-up authentication
- Online journey
permissions_supported:
- ReadAccountsBasic
unsupported:
- Fraud checks
- Daily limit checks
- Mobile app journey
- Stress / load / performance / penetration testing
note: Never invent additional test values; only the published sandbox values above are asserted.