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According to the OBIE, the Account Servicing Payment Service Providers (ASPSPs) need to make sure that the TPPs can be registered in a seamless and ideally, a fully automated process. In order to avoid any obstacles that may occur, the OBIE requires the ASPSPs to provide the TPP responses real-time once the registration is processed. The Dynamic Client Registration (DCR) endpoint is capable of dynamically registering the clients with the ASPSP when the client sends a registration request with its metadata. This results in a registration response that includes a client identifier and the client metadata values registered for the client.

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<DCR>
	<UseSoftwareIdAsApplicationName>true</UseSoftwareIdAsApplicationName>
</DCR>

<ApplicationConfiguration>
    <ApplicationAttributes>      
        <Attribute required="false">
            <Name>software_id_sandbox</Name>
            <Description>Software ID of the sandbox</Description>
        </Attribute>
        <Attribute required="false">
            <Name>software_id_production</Name>
            <Description>Software ID of the production</Description>
        </Attribute>
        <Attribute required="false">
            <Name>software_roles_sandbox</Name>
            <Description>Software roles of the sandbox</Description>
        </Attribute>
        <Attribute required="false">
            <Name>software_roles_production</Name>
            <Description>Software roles of the production</Description>
        </Attribute>
        <Attribute required="false">
            <Name>software_jwks_endpoint_sandbox</Name>
            <Description>JWKS endpoint of sandbox</Description>
        </Attribute>
        <Attribute required="false">
            <Name>software_jwks_endpoint_production</Name>
            <Description>JWKS endpoint of production</Description>
        </Attribute>       
        <Attribute required="false">
            <Name>software_on_behalf_of_org_sandbox</Name>
            <Description>Software on behalf of org of sandbox</Description>
        </Attribute>
        <Attribute required="false">
            <Name>ssoftware_on_behalf_of_org_production</Name>
            <Description>Software on behalf of org of production</Description>
        </Attribute>
        <Attribute required="false">
            <Name>org_name_sandbox</Name>
            <Description>Org name of the sandbox</Description>
        </Attribute>
        <Attribute required="false">
            <Name>org_name_production</Name>
            <Description>Org name of the production</Description>
        </Attribute>
    </ApplicationAttributes>
</ApplicationConfiguration>

1. The TPP sends a registration request,

   1. This is a POST request including an SSA (Software Statement Assertion) as a claim in the payload.

   2. The SSA is sent as a signed JWT, which is obtained from the Open Banking Directory. This contains the client metadata.

      Note
      The software statement (SSA) should be obtained from the Open Banking Directory by the TPP. The SSA is a signed JWT issued by the Open Banking directory.

   The automated DCR process is carried out by calling a synapse API in the gateway. The registration request relies on Mutual TLS authentication for TPP authentication. 
   An example request sent to the DCR registration endpoint is shown below: 

   Code Block

   curl -X POST \ https://localhost:8243/open-banking/v3.2/register \ -H 'Content-Type: application/jwt' \ -d eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6ImhjZ2V4dWd1VmI1cllTWVZCc2wtYzloQlB2WSJ9.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.s6btE-mH138nbVW4CGm5ER_aGN4SYqN2aq-FA2C3vlZhCiiNNULPIyC_HvxW1Mhi6UBZdokt9ofQnMyjLw1vSOPKgW3DZSYQtn0EWRj0KUhSWS0SJjMlVSE-hOIFxnjN0UjqNCsqAfvWj_HxXaRmbdFL4NdxPPOi2Qc4Dg6cMdOH7JGM374QeGM0rmu8n3u2od6zXlJPFjeVC1SCVdXbEL7mSWoblR30-RIij_QZyUrE2AB2cvE_m5sg5sINkigYmH19MzkfkYiku-lrndflmZOiw9dev0UBuLOQX5X4OjFrXfgwWzLFvXCSO0rabGbLgruu5ZFWjmt9iEVq0a8oEw

   Given below is the format of the payload JWT

   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.h_ixeb8Q-ne9Q7ZliWwjFq7B5uI8ohbWJESFMHDVJGhwuNBjDoBK1cMz3k0kC8zGZ8IqPkItNwA7mbLyKT7oMm94XwVUBXqwoJUMCvLnUtm-0MZDr_O7jFAc7r5UT8XxUJKFtoqZARJhDgCuFC0SGt215TwdwEK9AYRKt2mj3dh6dguA1tggGBAj3tV0iH-ZpX8PCtqsWiRSs5D-wbxz-F3YI0xpiolRaE2rzvwWkbr5VhB-_tv8uussWBnDGGwTo-MCUxM-9fzj4bL4mLLDQRrj5i6M6lU63AFIkwI7-qGkAKz0Gdxy6BjRxglengGCQWXjbPaNyYs_vht46bXfQA

   Anchor
   signingCertificateinDCR signingCertificateinDCR

   The payload is a signed JWT payload. To sign it, use the signing certificate issued by the Open Banking Directory. The  The kid parameter of the header should match the values in the kid of the signing certificate provided by the Open Banking Directory. 
   xml

   Code Block
   language
   Expand
   title Click here to see the format of the JWT payload once decoded.
   Code Block { " scope typ": " accounts payments JWT", "client_secret_expires_at "alg": 0 "RS256", " software_statement kid": " eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpc3MiOiJPcGVuQmFua2luZyIsImlhdCI6MTQ5OTgwNTg0OCwiZXhwIjoxNTMxMzQxODQ4LCJhdWQiOiJFeGFtcGxlIFRQUCIsInN1YiI6IkV4YW1wbGUgVFBQIiwiT2JUUFBJZCI6IklEQW1hem9uIiwiT2JUUFBSb2xlIjoiUElTUCJ9.RrrtJXnffK5c8rIxG3RowAsQeceH3oZQWMbpgHD78O8", hcgexuguVb5rYSYVBsl-c9hBPvY" } { " grant_types iss": [ "authorization_code "TPP1", "iat": 1554184766, " refresh_token exp": ] 1743573565, "request_object_signing_alg "jti": "92713892-5514-11e9-8647-d663bd873d93", "aud": " ES256 https://localhost:8243/token", " software_id scope": " VgQOIBMehPnlLUQw0BFM5S accounts payments", " id_ token_ signed endpoint_ response auth_ alg method": " ES256 private_key_jwt", " redirect grant_ uris types": [ "authorization_code", " https://wso2.com/redirect refresh_token" ], "token_endpoint_auth_method": "private_key_jwt", " "response_types": [ "code", "code id_token" ], "application_type "id_token_signed_response_alg": " web ES256", "client_id "request_object_signing_alg": " OBPK4uphJ5eTPfEteASUfs8plzsa ES256", " client software_ secret id": " P832Qflz1sI5DJNSgNa83aFwydsa VgQOIBMehPnlLUQw0BFM5S", " client_id_issued_at": 1563466935 application_type": "web", "redirect_uris": [ "https://wso2.com/" ], "software_statement": "eyJhbGciOiJQUzI1NiIsImtpZCI6ImRTM0hFenN5VkpPTHpRVkhJVWtPSkUySXFrbTN5SGI0QllfUGJCRVRXalk9IiwidHlwIjoiSldUIn0.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.CA4ife_7iuqJanxbOrb6XfQsTe6XQithX8-JKLLhxC72tXFR11RNotgk9j505nSB73BWDaa7tR0HmL1Q3epM_ESlEu-AKkckbZUAQ1CGyls6APmkL95krYvIX78U27qjbLU81yPvO1Zxrx68_n6cfIzTpyp-vSy09GpGtrfRgQbxjU2Orf9ecUpz1yKKhKwW2QxKM-Iuyizg7mcoSEBF5ngVqwl5N4_-d0Ksb1BW2ZEatWfVLaWVrveFOQhUniZArYUsPElS9gjEuQuNWejSpCLWfFwNhWZiIHGQi-zslph3cZQb6zMwSkRX6bR-Ysm3FxUqhiwXzm18zkevSvR5Rw" } Include the following claims in the body of the request payload; Claim Description Source Specification Optional Comments iss Request issuer (the TPP) [RFC7519] NO iat Time of issuance of the request [RFC7519] NO exp Request expiration time [RFC7519] NO aud Request audience (the ASPSP) [RFC7519] NO jti The JWT ID [RFC7519] NO redirect_uris Registered URIs the TPP uses to interact with the ASPSP AS [OIDC-R] NO Must match or be a subset of the software_redirect_uris claim in the SSA. token_endpoint_auth_method Specifies which token endpoint authentication method the TPP wants to use [RFC7591] NO private_key_jwt: If requested, the OP should extract the TPPs JWKS location from the included software statement assertion. Note tls_client_auth and private_key_jwt are the only FAPI compliant authentication methods. WSO2 Open Banking supports both these methods. grant_types A JSON array specifying what the TPP can request to be supplied to the token endpoint as an exchange for an access token [RFC7591] NO response_types A JSON array specifying what the TPP can request to be returned from the ASPSP authorization endpoint [RFC7591] YES ASPSPs may reject anything other than code. software_id The application name that is mentioned as software_client_id in the SSA. [RFC7591] YES If specified, the software_id in the request must match the software_id specified in the SSA. ASPSPs can choose to allow multiple registrations for a given software client name and may take the software_id from either the SSA or the TPP as a hint. scope The scopes requested by the client (if not specified, default scopes are assigned by the AS) [RFC7591] YES The minimum scope should be openid + whatever scopes are appropriate for the PSD2 role of the software. Tip The scopes are space

   -

   delimited values. software_statement The SSA issued by Open Banking identifier [RFC7519] NO application_type Specifies whether the application type is web or mobile [OIDC-R] NO Must be web, if specified. id_token_signed_response_alg The algorithm with which the TPP expects to sign the id_token if an id_token is returned [OIDC-R] NO Supported values must comply with [FAPI-RW] Section 8.6. request_object_signing_alg The algorithm with which the TPP expects to sign the request object if a request object is part of the authorization request sent to the ASPSP. [OIDC-R] NO Supported values must comply with [FAPI-RW]

   Section 8.6.

   Section 8.6.

   The payload contains an SSA. Given below is a decoded SSA.

   Code Block
   language xml
   { "alg": "PS256", "kid": "dS3HEzsyVJOLzQVHIUkOJE2Iqkm3yHb4BY_PbBETWjY=", "typ": "JWT" } { "iss": "OpenBanking Ltd", "iat": 1549010219887, "jti": "a445638c875b4463", "software_environment": "sandbox", "software_mode": "Test", "software_id": "VgQOIBMehPnlLUQw0BFM5S", "software_client_id": "VgQOIBMehPnlLUQw0BFM5S", "software_client_name": "TEST_TPP", "software_client_description": "This is a test TPP", "software_version": 1.1, "software_client_uri": "https://wso2.com", "software_redirect_uris": [ "https://wso2.com/redirect" ], "software_roles": [ "AISP", "PISP" ], "organisation_competent_authority_claims": { "authority_id": "OBGBR", "registration_id": "Unknown0015800001HQQrZAAX", "status": "Active", "authorisations": [ { "member_state": "GB", "roles": [ "AISP", "PISP" ] }, { "member_state": "IE", "roles": [ "AISP", "PISP" ] }, { "member_state": "NL", "roles": [ "AISP", "PISP" ] } ] }, "software_logo_uri": "https://wso2.com/images/logo.jpg", "org_status": "Active", "org_id": "0015800001HQQrZAAX", "org_name": "WSO2 (UK) LIMITED", "org_contacts": [ { "name": "Business", "email": "test@mail.com", "phone": "+940000000", "type": "Business" }, { "name": "Technical", "email": "test@mail.com", "phone": "+940000000", "type": "Technical" } ], "org_jwks_endpoint": "https://keystore.openbankingtest.org.uk/0015800001HQQrZAAX/0015800001HQQrZAAX.jwks", "org_jwks_revoked_endpoint": "https://keystore.openbankingtest.org.uk/0015800001HQQrZAAX/revoked/0015800001HQQrZAAX.jwks", "software_jwks_endpoint": "https://keystore.openbankingtest.org.uk/0015800001HQQrZAAX/VgQOIBMehPnlLUQw0BFM5S.jwks", "software_jwks_revoked_endpoint": "https://keystore.openbankingtest.org.uk/0015800001HQQrZAAX/revoked/VgQOIBMehPnlLUQw0BFM5S.jwks", "software_policy_uri": "https://wso2.com/terms-of-use", "software_tos_uri": "https://wso2.com/terms-of-use", "software_on_behalf_of_org": "TESTORG TPP" } <signature>

2. The ASPSP validates the SSA based on the specifications provided in the Open Banking OpenID Dynamic Client (OIDC) Registration specification.

3. The ASPSP registers the client application using the metadata sent in the SSA.

• If client creation is successful, the ASPSP responds with a JSON payload that describes the client that was created. The TPP can then use the client to access resources on the ASPSP's resource server. 

• If client creation is unsuccessful, the ASPSP responds with an error payload.

  A sample response is given below:

  Code Block
  title Response
  HTTP/1.1 200 Ok Content-Type: application/json { "grant_types": [ "authorization_code", "refresh_token" ], "software_client_name": "Open Banking test", "supportedGrantTypes": [ "refresh_token", "client_credentials" ], "redirect_uris": [ "https://www.amazon.com", "https://www.amazon.com/tt/webview/oobe/proposition" ], "software_jwks_endpoint": "https://keystore.openbankingtest.org.uk/0015800001HQQrZAAX/3c8F2a7zpWaxnO5kFOZpyE.jwks", "token_endpoint_auth_method": "private_key_jwt", "client_secret": "DMcSUBmgi4tjKktagizDuDaiCAAa", "software_id": "3c8F2a7zpWaxnO5kFOZpyE", "software_logo_uri": "https://www.amazon.com/logo", "scope": [ "openid", "payments" ], "request_object_signing_alg": "ES256", "software_roles": [ "AISP", "PISP" ], "client_id": "kKcxI71dFnCtIHoM9zTZiG6U1GUa", "id_token_signed_response_alg": "ES256" }

...

The API allows the TPP to retrieve the details for a client that has already been registered. The request relies on Mutual TLS authentication and application access token (Client Credentials grant type) for TPP authentication. 

curl -X POST \
  https://localhost:8243/token \
  -H 'Content-Type: application/x-www-form-urlencoded' \
  -H 'ssl.client.auth.cert.X509: MIIFODCCBCCgAwIBAgIEWcVqyzANBgkqhkiG9w0BAQsFADBTMQswCQYDVQQGEwJH' -k \
  -d 'grant_type=client_credentials&scope=openid%20&client_assertion=eyJraWQiOiJoY2dleHVndVZiNXJZU1lWQnNsLWM5aEJQdlkiLCJhbGciOiJQUzI1NiJ9.eyJzdWIiOiJ1aHo5NWVTaUtrMmxUeld4YzRqckxUWHh3RThhIiwiYXVkIjoiaHR0cHM6Ly9sb2NhbGhvc3Q6ODI0My90b2tlbiIsImlzcyI6InVoejk1ZVNpS2sybFR6V3hjNGpyTFRYeHdFOGEiLCJleHAiOjE1OTkxODcyMDEsImlhdCI6MTU3MDA3NjUyNiwianRpIjoiMTU1NDE5MjU0MTkifQ.sb-lwJhbtbaPrCvftyNcDLUt3uqtANXdJkbCNG6x7BL57b4cqkxo20BKHn4Cnvd8f00OIfuEQLBKo5BH9bpkt06MVsoZdEhq4YMT_FqUZb_38B-MEmWuaE2n6-ZCa_Jlp8TZ49PRY_q-Zz-y8WkDF2Hy51lulL5exxq0eGfNzGNMHk9_yQeEPte2-IY7NHPNpY0WpPKpYTUHPvDC3u_o5oL7WAcdE5bwqZQ4M5VcQf_QSqVLxrRpFv2FO9FBiU_iTG1S9CgNrYICzlgk9Gg2DhFu75iqcrjpGiEcXjSULKwRT89j--jJMWSCSuJ64OFllao3x56JecxxGdlA0HuaSw&client_assertion_type=urn%3Aietf%3Aparams%3Aoauth%3Aclient-assertion-type%3Ajwt-bearer&redirect_uri=https%3A%2F%2Fwso2.com%2F'

The request consists of has one path parameter named ClientId that named ClientId. It specifies the ClientId of the application that the TPP wants to retrieve details for.

• If the request is successful and the identifier (ClientId) matches the client to whom the Client Credentials grant access token was issued, the ASPSP returns details of the requested client
• If the ClientId is unknown, the ASPSP responds with an Unauthorized status code and immediately revokes the access token

Given below is a sample request sent to the retrieving endpoint:

...

curl -X POST \
  https://localhost:8243/token \
  -H 'Content-Type: application/x-www-form-urlencoded' \
  -H 'ssl.client.auth.cert.X509: MIIFODCCBCCgAwIBAgIEWcVqyzANBgkqhkiG9w0BAQsFADBTMQswCQYDVQQGEwJH' -k \
  -d 'grant_type=client_credentials&scope=openid%20&client_assertion=eyJraWQiOiJoY2dleHVndVZiNXJZU1lWQnNsLWM5aEJQdlkiLCJhbGciOiJQUzI1NiJ9.eyJzdWIiOiJ1aHo5NWVTaUtrMmxUeld4YzRqckxUWHh3RThhIiwiYXVkIjoiaHR0cHM6Ly9sb2NhbGhvc3Q6ODI0My90b2tlbiIsImlzcyI6InVoejk1ZVNpS2sybFR6V3hjNGpyTFRYeHdFOGEiLCJleHAiOjE1OTkxODcyMDEsImlhdCI6MTU3MDA3NjUyNiwianRpIjoiMTU1NDE5MjU0MTkifQ.sb-lwJhbtbaPrCvftyNcDLUt3uqtANXdJkbCNG6x7BL57b4cqkxo20BKHn4Cnvd8f00OIfuEQLBKo5BH9bpkt06MVsoZdEhq4YMT_FqUZb_38B-MEmWuaE2n6-ZCa_Jlp8TZ49PRY_q-Zz-y8WkDF2Hy51lulL5exxq0eGfNzGNMHk9_yQeEPte2-IY7NHPNpY0WpPKpYTUHPvDC3u_o5oL7WAcdE5bwqZQ4M5VcQf_QSqVLxrRpFv2FO9FBiU_iTG1S9CgNrYICzlgk9Gg2DhFu75iqcrjpGiEcXjSULKwRT89j--jJMWSCSuJ64OFllao3x56JecxxGdlA0HuaSw&client_assertion_type=urn%3Aietf%3Aparams%3Aoauth%3Aclient-assertion-type%3Ajwt-bearer&redirect_uri=https%3A%2F%2Fwso2.com%2F'

The TPP submits ClientId as a path parameter and a request has one path parameter named ClientId. It specifies the ClientId of the application that the TPP wants to modify. The TPP submits a JWS payload that describes the characteristics of the client to be modified. This must include all the claims, including the ones that will not be modified.

• If the client is successfully modified, the ASPSP responds with a JSON payload that describes the client that was created.

• If the ClientId is unknown, the ASPSP responds with an Unauthorized status code and immediately revokes the access token.

• If client modification is unsuccessful, the ASPSP responds with an error payload.

...

curl -X POST \
  https://localhost:8243/token \
  -H 'Content-Type: application/x-www-form-urlencoded' \
  -H 'ssl.client.auth.cert.X509: MIIFODCCBCCgAwIBAgIEWcVqyzANBgkqhkiG9w0BAQsFADBTMQswCQYDVQQGEwJH' -k \
  -d 'grant_type=client_credentials&scope=openid%20&client_assertion=eyJraWQiOiJoY2dleHVndVZiNXJZU1lWQnNsLWM5aEJQdlkiLCJhbGciOiJQUzI1NiJ9.eyJzdWIiOiJ1aHo5NWVTaUtrMmxUeld4YzRqckxUWHh3RThhIiwiYXVkIjoiaHR0cHM6Ly9sb2NhbGhvc3Q6ODI0My90b2tlbiIsImlzcyI6InVoejk1ZVNpS2sybFR6V3hjNGpyTFRYeHdFOGEiLCJleHAiOjE1OTkxODcyMDEsImlhdCI6MTU3MDA3NjUyNiwianRpIjoiMTU1NDE5MjU0MTkifQ.sb-lwJhbtbaPrCvftyNcDLUt3uqtANXdJkbCNG6x7BL57b4cqkxo20BKHn4Cnvd8f00OIfuEQLBKo5BH9bpkt06MVsoZdEhq4YMT_FqUZb_38B-MEmWuaE2n6-ZCa_Jlp8TZ49PRY_q-Zz-y8WkDF2Hy51lulL5exxq0eGfNzGNMHk9_yQeEPte2-IY7NHPNpY0WpPKpYTUHPvDC3u_o5oL7WAcdE5bwqZQ4M5VcQf_QSqVLxrRpFv2FO9FBiU_iTG1S9CgNrYICzlgk9Gg2DhFu75iqcrjpGiEcXjSULKwRT89j--jJMWSCSuJ64OFllao3x56JecxxGdlA0HuaSw&client_assertion_type=urn%3Aietf%3Aparams%3Aoauth%3Aclient-assertion-type%3Ajwt-bearer&redirect_uri=https%3A%2F%2Fwso2.com%2F'

The request consists of request has one path parameter namely ClientId of the TPP which should be deleted. named ClientId. It specifies the ClientId of the application that the TPP wants to delete.

• If the request is successful and the ClientId matches the client to whom the Client Credentials grant access token was issued, the ASPSP must delete the client and invalidate long lived access tokens that were issued to the client
• If the ClientId is unknown, the ASPSP responds with an Unauthorized status code and immediately revokes the access token

...