Payment initiation.

POST 
/api/v1/transactions/:payment-service/:payment-product

This method is used to initiate a payment at the ASPSP.

Variants of payment initiation requests

This method to initiate a payment initiation at the ASPSP can be sent with either a JSON body or an pain.001 body depending on the payment product in the path.

• There are the following payment products:
  • sepa-credit-transfers

Furthermore the request body depends on the payment-service:

• payments: A single payment initiation request.

This is the first step in the API to initiate the related recurring/periodic payment.

Request

Path Parameters

payment-service stringrequired
Possible values: [payments]
Payment service:
Possible values are:
• payments
Example: payments
payment-product stringrequired
Possible values: [sepa-credit-transfers]
The addressed payment product endpoint, e.g. for SEPA Credit Transfers (SCT). The ASPSP will publish which of the payment products/endpoints will be supported.
Possible values are:
• sepa-credit-transfers
Example: sepa-credit-transfers

Header Parameters

X-Request-ID uuidrequired
ID of the request, unique to the call, as determined by the initiating party.
Example: c66d0ad3-4089-4996-bd48-523ae3e484f7
Consent-ID string
This then contains the consentId of the related AIS consent, which was performed prior to this payment initiation.
Example: 354c3126-be8c-4bcb-8cc6-0c317b8efb30
Digest string
Is contained if and only if the OpenBankingGateway.Models.Payment.InitiatePayment.InitiatePaymentRequestHeaders.Signature element is contained in the header of the request.
Example: SHA-256=hl1/Eps8BEQW58FJhDApwJXjGY4nr1ArGDHIT25vq6A=
Signature string

A signature of the request by the TPP on application level. This might be mandated by ASPSP.

TPP-Signature-Certificate int32

The certificate used for signing the request, in base64 encoding. Must be contained if a signature is contained.

PSU-ID string

Client ID of the PSU in the ASPSP client interface.

Might be mandated in the ASPSP's documentation.

It might be contained even if an OAuth2 based authentication was performed in a pre-step or an OAuth2 based SCA was performed in an preceding AIS service in the same session. In this case the ASPSP might check whether PSU-ID and token match, according to ASPSP documentation.

PSU-ID-Type string

Type of the PSU-ID, needed in scenarios where PSUs have several PSU-IDs as access possibility. In this case, the mean and use are then defined in the ASPSP’s documentation.

PSU-Corporate-ID string

Might be mandated in the ASPSP's documentation. Only used in a corporate context.

PSU-Corporate-ID-Type string

Might be mandated in the ASPSP's documentation. Only used in a corporate context.

PSU-IP-Address stringrequired

Possible values: Value must match regular expression \d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}

The forwarded IP Address header field consists of the corresponding http request IP Address field between PSU and TPP. If not available, the TPP shall use the IP Address used by the TPP when submitting this request.

TPP-Redirect-Preferred boolean

If it equals true, the TPP prefers a redirect over an embedded SCA approach. If it equals "false", the TPP prefers not to be redirected for SCA. The ASPSP will then choose between the Embedded or the Decoupled SCA approach, depending on the parameter TPP-Decoupled-Preferred and the choice of the SCA procedure by the TPP/PSU. If the parameter is not used, the ASPSP will choose the SCA approach to be applied depending on the SCA method chosen by the TPP/PSU.

TPP-Redirect-URI uri

URI of the TPP, where the transaction flow shall be redirected to after a Redirect.

Mandated for the Redirect SCA Approach, specifically when TPP-Redirect-Preferred equals "true". It is recommended to always use this header field.

TPP-Decoupled-Preferred boolean

If it equals "true", the TPP prefers a decoupled SCA approach. If it equals "false", the TPP prefers not to use the decoupled approach for SCA. The ASPSP will then choose between the embedded or the redirect SCA approach, depending on the choice of the SCA procedure by the TPP/PSU. If the parameter is not used, the ASPSP will choose the SCA approach to be applied depending on the parameter TPP-Redirect-Preferred and the SCA method chosen by the TPP/PSU The parameter might be ignored by the ASPSP. If both parameters TPP-Redirect-Preferred and TPP-Decoupled-Preferred are present and true, the request is still not rejected, but it is up to the ASPSP, which approach will actually be used.

Remark for Future: TPP-Redirect-Preferred and TPP-Decoupled-Preferred will be revised in future versions, maybe merged. Currently kept separate for downward compatibility.

TPP-Nok-Redirect-URI uri

If this URI is contained, the TPP is asking to redirect the transaction flow to this address instead of the TPP-Redirect-URI in case of a negative result of the redirect SCA method. This might be ignored by the ASPSP.

TPP-Explicit-Authorisation-Preferred boolean

If it equals "true", the TPP prefers to start the authorization process separately, e.g. because of the usage of a signing basket. This preference might be ignored by the ASPSP, if a signing basket is not supported as functionality.

If it equals "false" or if the parameter is not used, there is no preference of the TPP. his especially indicates that the TPP assumes a direct authorisation of the transaction in the next step, without using a signing basket.

TPP-Rejection-NoFunds-Preferred boolean

If it equals "true" then the TPP prefers a rejection of the payment initiation in case the ASPSP is providing an integrated confirmation of funds request an the result of this is that not sufficient funds are available.

If it equals "false" then the TPP prefers that the ASPSP is dealing with the payment initiation like in the ASPSPs online channel, potentially waiting for a certain time period for funds to arrive to initiate the payment.

This parameter might be ignored by the ASPSP.

TPP-Brand-Logging-Information string

This header might be used by TPPs to inform the ASPSP about the brand used by the TPP towards the PSU. This information is meant for logging entries to enhance communication between ASPSP and PSU or ASPSP and TPP. This header might be ignored by the ASPSP.

TPP-Notification-URI uri

URI for the Endpoint of the TPP-API to which the status of the payment initiation should be sent. This header field may by ignored by the ASPSP. For security reasons, it shall be ensured that the TPP-Notification-URI as introduced above is secured by the TPP eIDAS QWAC used for identification of the TPP.

The following applies: URIs which are provided by TPPs in TPP-Notification-URI shall comply with the domain secured by the eIDAS QWAC certificate of the TPP in the field CN or SubjectAltName of the certificate. Please note that in case of example-TPP.com as certificate entry TPP- Notification-URI like www.example-TPP.com/xs2a-client/v1/ASPSPidentifcation/mytransaction-id/notifications or notifications.example-TPP.com/xs2a-client/v1/ASPSPidentifcation/mytransaction-id/notifications would be compliant.

Wildcard definitions shall be taken into account for compliance checks by the ASPSP. ASPSPs may respond with ASPSP-Notification-Support set to false, if the provided URIs do not comply.

TPP-Notification-Content-Preferred string

The string has the form status=X1, ..., Xn where Xi is one of the constants SCA, PROCESS, LAST and where constants are not repeated.

The usage of the constants supports the of following semantics: SCA: A notification on every change of the scaStatus attribute for all related authorisation processes is preferred by the TPP. PROCESS: A notification on all changes of consentStatus or transactionStatus attributes is preferred by the TPP. LAST: Only a notification on the last consentStatus or transactionStatus as available in the XS2A interface is preferred by the TPP.

This header field may be ignored, if the ASPSP does not support resource notification services for the related TPP.

PSU-IP-Port string
Possible values: Value must match regular expression [\d]
The forwarded IP Port header field consists of the corresponding HTTP request IP Port field between PSU and TPP, if available.
Example: 123
PSU-Accept string

The forwarded IP Accept header fields consist of the corresponding HTTP request Accept header fields between PSU and TPP, if available.

PSU-Accept-Charset string

The forwarded IP Accept header fields consist of the corresponding HTTP request Accept header fields between PSU and TPP, if available.

PSU-Accept-Encoding string

The forwarded IP Accept header fields consist of the corresponding HTTP request Accept header fields between PSU and TPP, if available.

PSU-Accept-Language string

The forwarded IP Accept header fields consist of the corresponding HTTP request Accept header fields between PSU and TPP, if available.

PSU-User-Agent string

The forwarded Agent header field of the HTTP request between PSU and TPP, if available.

PSU-Http-Method PSUHttpMethod
Possible values: [GET, POST, PUT, PATCH, DELETE]
HTTP method used at the PSU ? TPP interface, if available. Valid values are:
• GET
• POST
• PUT
• PATCH
• DELETE
PSU-Device-ID string
UUID (Universally Unique Identifier) for a device, which is used by the PSU, if available. UUID identifies either a device or a device dependant application installation. In case of an installation identification this ID needs to be unaltered until removal from device.
Example: 99435c7e-ad88-49ec-a2ad-99ddcb1f5555
PSU-Geo-Location string
The forwarded Geo Location of the corresponding http request between PSU and TPP if available.
Example: GEO:52.506931;13.144558

application/json

Body

JSON request body for a payment initiation request message.

oneOf
InitiatePaymentRequestBody
debtorAccount objectrequired
Reference to an account by either
• IBAN, of a payment accounts, or
• BBAN, for payment accounts if there is no IBAN, or
• Not used by SDC the Primary Account Number(PAN) of a card, can be tokenised by the ASPSP due to PCI DSS requirements, or
• Not used by SDC the Primary Account Number(PAN) of a card in a masked form, or
• Not used by SDC an alias to access a payment account via a registered mobile phone number(MSISDN).
• A payment account AccountReferenceOther when using a national payment Form.
iban stringnullablerequired
Possible values: Value must match regular expression [A-Z]{2,2}[0-9]{2,2}[a-zA-Z0-9]{1,30}
IBAN of the account.
bban stringnullablerequired
Basic Bank Account Number (BBAN) Identifier.
This data element can be used in the body of the consent request. Message for retrieving account access consent from this account. This data elements is used for payment accounts which have no IBAN. ISO20022: Basic Bank Account Number (BBAN).
Identifier used nationally by financial institutions, i.e., in individual countries, generally as part of a National Account Numbering Scheme(s), which uniquely identifies the account of a customer
currency stringrequired
Possible values: non-empty, Value must match regular expression [A-Z]{3}
Account Currency Code.
instructedAmount objectrequired
Base Model for amount.
currency stringrequired
Possible values: non-empty, Value must match regular expression [A-Z]{3}
Currency Code.
amount stringrequired
Possible values: non-empty, Value must match regular expression -?[0-9]{1,14}(\.[0-9]{1,3})?
The amount given with fractional digits, where fractions must be compliant to the currency definition. Up to 14 significant figures. Negative amounts are signed by minus. The decimal separator is a dot.
Example Valid representations for EUR with up to two decimals are:
• 1056
• 5768.2
• -1.50
• 5877.78
creditorAccount objectrequired
Reference to an account by either
• IBAN, of a payment accounts, or
• BBAN, for payment accounts if there is no IBAN, or
• Not used by SDC the Primary Account Number(PAN) of a card, can be tokenised by the ASPSP due to PCI DSS requirements, or
• Not used by SDC the Primary Account Number(PAN) of a card in a masked form, or
• Not used by SDC an alias to access a payment account via a registered mobile phone number(MSISDN).
• A payment account AccountReferenceOther when using a national payment Form.
iban stringnullablerequired
Possible values: Value must match regular expression [A-Z]{2,2}[0-9]{2,2}[a-zA-Z0-9]{1,30}
IBAN of the account.
bban stringnullablerequired
Basic Bank Account Number (BBAN) Identifier.
This data element can be used in the body of the consent request. Message for retrieving account access consent from this account. This data elements is used for payment accounts which have no IBAN. ISO20022: Basic Bank Account Number (BBAN).
Identifier used nationally by financial institutions, i.e., in individual countries, generally as part of a National Account Numbering Scheme(s), which uniquely identifies the account of a customer
currency stringrequired
Possible values: non-empty, Value must match regular expression [A-Z]{3}
Account Currency Code.
creditorAgentName stringnullablerequired
Creditor Agent Name
creditorName stringnullablerequired
Creditor Name
creditorAgentProprietary stringnullablerequired
Creditor Name
creditorAddress object
streetName stringnullablerequired
Street name.
buildingNumber stringnullablerequired
Building Number.
townName stringnullablerequired
Town Name.
postalCode stringnullablerequired
postal Code
country stringnullablerequired
Possible values: Value must match regular expression [A-Z]{2}
Country code.
ISO 3166 ALPHA2 country code. Is only required for Cross border payment
chargeBearer ChargeBearerrequired
Possible values: [DEBT, CRED, SHAR]
Charge Bearer. ChargeBearerType1Code from ISO20022 only mandatory for Crossborder
remittanceInformationUnstructured stringnullablerequired
Unstructured remittance information.
remittanceInformationUnstructuredArray string[]nullablerequired
Unstructured remittance information.
remittanceInformationStructuredArray object[]nullable
Array of structured remittance information.
Array [
reference stringnullablerequired
referenceType ReferenceTyperequired
Possible values: [SCOR, PSPS, ETER, PYMR, IIND, IMSG, PDTX, DPDT]
referenceIssuer ReferenceType[]nullablerequired
Possible values: [SCOR, PSPS, ETER, PYMR, IIND, IMSG, PDTX, DPDT]
]
regulatoryReportingAmountCurrency object
Base Model for amount.
currency stringrequired
Possible values: non-empty, Value must match regular expression [A-Z]{3}
Currency Code.
amount stringrequired
Possible values: non-empty, Value must match regular expression -?[0-9]{1,14}(\.[0-9]{1,3})?
The amount given with fractional digits, where fractions must be compliant to the currency definition. Up to 14 significant figures. Negative amounts are signed by minus. The decimal separator is a dot.
Example Valid representations for EUR with up to two decimals are:
• 1056
• 5768.2
• -1.50
• 5877.78

Responses

200

JSON request body for a payment inition request message.

There are the following payment-services supported:

• "payments"

All optional, conditional and predefined but not yet used fields are defined.

201

Created

Response Headers

• X-Request-ID string

  ID of the request, unique to the call, as determined by the initiating party.

• responseCode string

  ID of the response by a code 200 for OK and 4xx for bad response

• Location string

  Location of the created resource.

application/json

Schema

Schema

transactionStatus TransactionStatusrequired

Possible values: [ACCC, ACCP, ACSC, ACSP, ACTC, ACWC, RCVD, PDNG, RJCT, CANC, ACFC, PATC, PART]

The transaction status is filled with codes of the ISO 20022

paymentId stringrequired

Possible values: non-empty

PaymentId

transactionFees object
Base Model for amount.
currency stringrequired
Possible values: non-empty, Value must match regular expression [A-Z]{3}
Currency Code.
amount stringrequired
Possible values: non-empty, Value must match regular expression -?[0-9]{1,14}(\.[0-9]{1,3})?
The amount given with fractional digits, where fractions must be compliant to the currency definition. Up to 14 significant figures. Negative amounts are signed by minus. The decimal separator is a dot.
Example Valid representations for EUR with up to two decimals are:
• 1056
• 5768.2
• -1.50
• 5877.78
currencyConversionFee object
Base Model for amount.
currency stringrequired
Possible values: non-empty, Value must match regular expression [A-Z]{3}
Currency Code.
amount stringrequired
Possible values: non-empty, Value must match regular expression -?[0-9]{1,14}(\.[0-9]{1,3})?
The amount given with fractional digits, where fractions must be compliant to the currency definition. Up to 14 significant figures. Negative amounts are signed by minus. The decimal separator is a dot.
Example Valid representations for EUR with up to two decimals are:
• 1056
• 5768.2
• -1.50
• 5877.78
estimatedTotalAmount object
Base Model for amount.
currency stringrequired
Possible values: non-empty, Value must match regular expression [A-Z]{3}
Currency Code.
amount stringrequired
Possible values: non-empty, Value must match regular expression -?[0-9]{1,14}(\.[0-9]{1,3})?
The amount given with fractional digits, where fractions must be compliant to the currency definition. Up to 14 significant figures. Negative amounts are signed by minus. The decimal separator is a dot.
Example Valid representations for EUR with up to two decimals are:
• 1056
• 5768.2
• -1.50
• 5877.78
estimatedInterbankSettlementAmount object
Base Model for amount.
currency stringrequired
Possible values: non-empty, Value must match regular expression [A-Z]{3}
Currency Code.
amount stringrequired
Possible values: non-empty, Value must match regular expression -?[0-9]{1,14}(\.[0-9]{1,3})?
The amount given with fractional digits, where fractions must be compliant to the currency definition. Up to 14 significant figures. Negative amounts are signed by minus. The decimal separator is a dot.
Example Valid representations for EUR with up to two decimals are:
• 1056
• 5768.2
• -1.50
• 5877.78
transactionFeeIndicator booleannullablerequired

If equals 'true', the transaction will involve specific transaction cost as shown by the ASPSP in their public price list or as agreed between ASPSP and PSU. If equals 'false', the transaction will not involve additional specific transaction costs to the PSU unless the fee amount is given specifically in the data elements transactionFees and/or currencyConversionFees. If this data element is not used, there is no information about transaction fees unless the fee amount is given explicitly in the data element transactionFees and/or currencyConversionFees.

scaMethods object[]nullable
Authentication object. This data element might be contained, if SCA is required and if the PSU has a choice between different authentication methods.
Depending on the risk management of the ASPSP this choice might be offered before or after the PSU has been identified with the first relevant factor, or if an access token is transported.
If this data element is contained, then there is also a hyperlink of type 'startAuthorisationWithAuthenticationMethodSelection' contained in the response body.
These methods shall be presented towards the PSU for selection by the TPP.
Array [
authenticationType ScaAuthenticationTyperequired
Possible values: [SMS_OTP, CHIP_OTP, PHOTO_OTP, PUSH_OTP, SMTP_OTP]
Type of the authentication method.
authenticationVersion stringnullablerequired
Depending on the "authenticationType". This version can be used by differentiating authentication tools used within performing OTP generation in the same authentication type. This version can be referred to in the ASPSP?s documentation.
authenticationMethodId stringrequired
Possible values: non-empty and <= 35 characters
An identification provided by the ASPSP for the later identification of the authentication method selection.
name stringnullablerequired
This is the name of the authentication method defined by the PSU in the Online Banking frontend of the ASPSP. Alternatively this could be a description provided by the ASPSP like "SMS OTP on phone +49160 xxxxx 28". This name shall be used by the TPP when presenting a list of authentication methods to the PSU, if available.
explanation stringnullablerequired
Detailed information about the SCA method for the PSU.
]
chosenScaMethod object

Authentication object.

authenticationType ScaAuthenticationTyperequired

Possible values: [SMS_OTP, CHIP_OTP, PHOTO_OTP, PUSH_OTP, SMTP_OTP]

Type of the authentication method.

authenticationVersion stringnullablerequired

Depending on the "authenticationType". This version can be used by differentiating authentication tools used within performing OTP generation in the same authentication type. This version can be referred to in the ASPSP?s documentation.

authenticationMethodId stringrequired

Possible values: non-empty and <= 35 characters

An identification provided by the ASPSP for the later identification of the authentication method selection.

name stringnullablerequired

This is the name of the authentication method defined by the PSU in the Online Banking frontend of the ASPSP. Alternatively this could be a description provided by the ASPSP like "SMS OTP on phone +49160 xxxxx 28". This name shall be used by the TPP when presenting a list of authentication methods to the PSU, if available.

explanation stringnullablerequired

Detailed information about the SCA method for the PSU.

challengeData object

It is contained in addition to the data element 'chosenScaMethod' if challenge data is needed for SCA. In rare cases this attribute is also used in the context of the 'startAuthorisationWithPsuAuthentication' link.

myProperty bytenullablerequired

PNG data(max. 512 kilobyte) to be displayed to the PSU, Base64 encoding, cp. [RFC4648]. This attribute is used only, when PHOTO_OTP or CHIP_OTP is the selected SCA method.

data stringnullablerequired

A collection of strings as challenge data.

imageLink urinullablerequired

A link where the ASPSP will provides the challenge image for the TPP.

otpMaxLength int32nullablerequired

The maximal length for the OTP to be typed in by the PSU.

otpFormat OtpFormatrequired

Possible values: [characters, integer]

The format type of the OTP to be typed in. The admitted values are "characters" or "integer".

additionalInformation stringnullablerequired

Additional explanation for the PSU to explain e.g. fallback mechanism for the chosen SCA method. The TPP is obliged to show this to the PSU

psuMessage stringnullablerequired

Possible values: <= 500 characters

Text to be displayed to the PSU.

_links objectrequired

A list of hyperlinks to be recognised by the TPP. The actual hyperlinks used in the response depend on the dynamical decisions of the ASPSP when processing the request.

Remark: All links can be relative or full links, to be decided by the ASPSP.

Type of links admitted in this response, (further links might be added for ASPSP defined extensions):

• 'scaRedirect': In case of an SCA Redirect Approach, the ASPSP is transmitting the link to which to redirect the PSU browser.
• 'scaOAuth': In case of a SCA OAuth2 Approach, the ASPSP is transmitting the URI where the configuration of the Authorisation Server can be retrieved.The configuration follows the OAuth 2.0 Authorisation Server Metadata specification.
• 'confirmation': Might be added by the ASPSP if either the "scaRedirect" or "scaOAuth" hyperlink is returned in the same response message. This hyperlink defines the URL to the resource which needs to be updated with
  • a confirmation code as retrieved after the plain redirect authentication process with the ASPSP authentication server or
  • an access token as retrieved by submitting an authorization code after the integrated OAuth based authentication process with the ASPSP authentication server.
• 'startAuthorisationWithPsuIdentification': The link to the authorisation end-point, where the authorisation sub-resource has to be generated while uploading the PSU identification data.
• 'startAuthorisationWithPsuAuthentication': The link to the authorisation end-point, where the authorisation sub-resource has to be generated while uploading the PSU authentication data.
  • 'startAuthorisationWithEncryptedPsuAuthentication': Same as startAuthorisactionWithPsuAuthentication where the authentication data need to be encrypted on application layer in uploading.
• 'startAuthorisationWithAuthenticationMethodSelection': The link to the authorisation end-point, where the authorisation sub-resource has to be generated while selecting the authentication method. This link is contained under exactly the same conditions as the data element "scaMethods".
• 'startAuthorisationWithTransactionAuthorisation': The link to the authorisation end-point, where the authorisation sub-resource has to be generated while authorising the transaction e.g. by uploading an OTP received by SMS.
• 'self': The link to the payment initiation resource created by this request. This link can be used to retrieve the resource data.
• 'status': The link to retrieve the transaction status of the payment initiation.
• 'scaStatus': The link to retrieve the scaStatus of the corresponding authorisation sub-resource. This link is only contained, if an authorisation sub-resource has been already created.

scaRedirect object

Link to a resource.

href stringnullablerequired

href Entry.

scaOAuth object

Link to a resource.

href stringnullablerequired

href Entry.

confirmation object

Link to a resource.

href stringnullablerequired

href Entry.

startAuthorisation object

Link to a resource.

href stringnullablerequired

href Entry.

startAuthorisationWithPsuIdentification object

Link to a resource.

href stringnullablerequired

href Entry.

startAuthorisationWithPsuAuthentication object

Link to a resource.

href stringnullablerequired

href Entry.

startAuthorisationWithAuthenticationMethodSelection object

Link to a resource.

href stringnullablerequired

href Entry.

startAuthorisationWithTransactionAuthorisation object

Link to a resource.

href stringnullablerequired

href Entry.

self object

Link to a resource.

href stringnullablerequired

href Entry.

scaStatus object

Link to a resource.

href stringnullablerequired

href Entry.

status object

Link to a resource.

href stringnullablerequired

href Entry.

tppMessages object[]nullable
TPP messages.
Array [
category TppMessageCategoryrequired
Possible values: [ERROR, WARNING]
Category of the TPP message category.
code MessageCode201PaymentInitiationrequired
Possible values: [WARNING, BENEFICIARY_WHITELISTING_REQUIRED]
Message codes for HTTP Codes 201 to a Payment Initiation Request.
text stringnullablerequired
Possible values: <= 500 characters
Additional explaining text to the TPP.
]

Example (from schema)

{
  "transactionStatus": "ACCC",
  "paymentId": "25ba82ce-b975-4f47-a2e9-9cac0ba27c82",
  "transactionFees": {
    "currency": "EUR",
    "amount": "5877.78"
  },
  "currencyConversionFee": {
    "currency": "EUR",
    "amount": "5877.78"
  },
  "estimatedTotalAmount": {
    "currency": "EUR",
    "amount": "5877.78"
  },
  "estimatedInterbankSettlementAmount": {
    "currency": "EUR",
    "amount": "5877.78"
  },
  "transactionFeeIndicator": true,
  "scaMethods": [
    {
      "authenticationType": "SMS_OTP",
      "authenticationVersion": "string",
      "authenticationMethodId": "string",
      "name": "SMS OTP on phone +49160 xxxxx 28",
      "explanation": "Detailed information about the SCA method for the PSU."
    }
  ],
  "chosenScaMethod": {
    "authenticationType": "SMS_OTP",
    "authenticationVersion": "string",
    "authenticationMethodId": "string",
    "name": "SMS OTP on phone +49160 xxxxx 28",
    "explanation": "Detailed information about the SCA method for the PSU."
  },
  "challengeData": {
    "myProperty": "string",
    "data": "string",
    "imageLink": "string",
    "otpMaxLength": 0,
    "otpFormat": "characters",
    "additionalInformation": "string"
  },
  "psuMessage": "string",
  "_links": {
    "scaRedirect": {
      "href": "string"
    },
    "scaOAuth": {
      "href": "string"
    },
    "confirmation": {
      "href": "string"
    },
    "startAuthorisation": {
      "href": "string"
    },
    "startAuthorisationWithPsuIdentification": {
      "href": "string"
    },
    "startAuthorisationWithPsuAuthentication": {
      "href": "string"
    },
    "startAuthorisationWithAuthenticationMethodSelection": {
      "href": "string"
    },
    "startAuthorisationWithTransactionAuthorisation": {
      "href": "string"
    },
    "self": {
      "href": "string"
    },
    "scaStatus": {
      "href": "string"
    },
    "status": {
      "href": "string"
    }
  },
  "tppMessages": [
    {
      "category": "ERROR",
      "code": "WARNING",
      "text": "string"
    }
  ]
}

Example

{
  "transactionStatus": "RJCT",
  "paymentId": null,
  "psuMessage": "Success"
}

400

Bad Request

Response Headers

• X-Request-ID string

  ID of the request, unique to the call, as determined by the initiating party.

• responseCode string

  ID of the response by a code 200 for OK and 4xx for bad response

• Location string

  Location of the created resource.

application/json

Schema

Schema

responseCode int32required
responseMessage stringnullablerequired
responseType stringnullablerequired
result objectnullable
property name* string[]nullable
Array [
string
]

Example (from schema)

{
  "responseCode": 0,
  "responseMessage": "string",
  "responseType": "string",
  "result": {}
}

Example

{
  "responseCode": 400,
  "responseMessage": "One or more validation errors occurred.",
  "responseType": "InvalidRequest",
  "result": {
    "Amount": [
      "Amount is required.",
      "Amount should be not empty."
    ],
    "Currency": [
      "Currency it is required.",
      "Currency should be not empty.",
      "Currency should be 3 characters.",
      "Currency is not valid. Currency showld be format ISO 4217:2015."
    ],
    "AccountNumber": [
      "AccountNumber is required.",
      "AccountNumber should be not empty."
    ],
    "AccountBranch": [
      "AccountBranch is required.",
      "AccountBranch should be not empty."
    ],
    "InstitutionCode": [
      "InstitutionCode is required.",
      "InstitutionCode should be not empty."
    ],
    "ProductDescription": [
      "ProductDescription is required.",
      "InstitutionCode should be not empty."
    ],
    "BillNumber": [
      "BillNumber is required.",
      "BillNumber should be not empty."
    ],
    "CustomerNumber": [
      "CustomerNumber is required.",
      "CustomerNumber should be not empty."
    ],
    "MobileNumber": [
      "MobileNumber is required.",
      "MobileNumber should be not empty."
    ]
  }
}

401

Unauthorized

403

Forbidden

500

Server Error

Response Headers

• X-Request-ID string

  ID of the request, unique to the call, as determined by the initiating party.

• responseCode string

  ID of the response by a code 200 for OK and 4xx for bad response

• Location string

  Location of the created resource.

application/json

Schema

Schema

responseCode int32required
responseMessage stringnullablerequired
responseType stringnullablerequired
result stringnullablerequired

Example (from schema)

{
  "responseCode": 0,
  "responseMessage": "string",
  "responseType": "string",
  "result": "string"
}

Example

{
  "responseCode": 500,
  "responseMessage": "One or more errors occurred. (We have identified an unexpected error on our side.)",
  "responseType": "InternalServerError",
  "result": null
}

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