API endpoints

NatWest Westminster Bank (sandbox) API endpoints
NameURL
BaseAISPApiUrihttps://ob.sandbox.natwest.com/open-banking/v3.1/aisp
BasePISPApiUrihttps://ob.sandbox.natwest.com/open-banking/v3.1/pisp
BaseCBPIIApiUrihttps://ob.sandbox.natwest.com/open-banking/v3.1/cbpii

Sandbox OAuth API configuration

NatWest Westminster Bank (sandbox) Sandbox OAuth API endpoints
NameValue
request_object_signing_alg_values_supported
PS256
issuerhttps://api.sandbox.natwest.com
authorization_endpointhttps://api.sandbox.natwest.com/authorize
token_endpoint_auth_methods_supported
client_secret_post
token_endpointhttps://ob.sandbox.natwest.com/token
scopes_supported
openid
accounts
payments
id_token_signing_alg_values_supported
PS256
grant_types_supported
refresh_token
client_credentials
authorization_code

Test users

Use the Customer Number below.

For the PIN and password security use the details that are displayed above each input box. For the following example:

Business Account API KeyPINPASSWORD
1234567890125, 7, 24, 3, 6

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