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Barclays Card Application API

Integrate credit card application functionality with real-time status updates.

Barclays Card Application API is one of 30 APIs that Barclays publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include Card Applications and Credit Cards. The published artifact set on APIs.io includes API documentation, an API reference, and an OpenAPI specification.

This API exposes 9 operations across 9 paths, and defines 75 schemas. It is described by OpenAPI 3.1.0, at version 4.0.

9 operations 9 paths 75 schemas 1 GET8 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.1.0
API Version
4.0
Authentication
OAuth 2.0
Resource Areas
1

Authentication & Security 1

Barclays Card Application API declares 1 security scheme for authenticating requests. It supports OAuth 2.0 (ExternalTiaaUsCCAuth) using the clientCredentials flow, exposing 2 scopes.

  • ExternalTiaaUsCCAuth — OAuth2.0 Client Credentials Grant authentication using TIAA-US for external APIs

Paths & Operations 9

Across 9 paths, the API surfaces 9 operations — 1 GET, 8 POST. Each is listed below with its method, path, parameters, and response codes.

applyProductExternalAPI-OAS 9

Apply Product External API

POST
/cards/prequal
Pre Qualification Check.Please use Content-Type as application/jose for request, response will be send with Content-Type as application/jose.
postRequestForPrequalDecision 3 params body → 200400401500403404503
POST
/cards/applications/verify
Process the application post challenge verification
postApiForApplicationVerification 3 params body → 200400401500403404503
POST
/cards/prescreen/{prescreenId}/capture
Capture the fact that the offer(s) were displayed to the customer
postApiForPrescreenOffersCapture 4 params body → 200400401500403404503
POST
/cards/prescreen
Get all eligible offers for a customer. This operation contains sensitive data. Please use Content-Type as application/jose for request.
postApiForPrescreenOffer 3 params body → 200400401500403404503
POST
/cards/accounts/instant-credit
Get card details based on the accountId. This operation contains sensitive data. Expect response Content-Type as application/jose
postApiForInstantCreditCardDetail 3 params body → 200400401500403404503
POST
/cards/app-consent
The API accepts consent from Applicant for various capabilities. Expect response Content-Type as application/jose
postApiForAppConsent 3 params body → 200400401500403404503
POST
/cards/applications
Apply for the credit card and get status, T&C and CMA. This operation contains sensitive data. Please use Content-Type as application/jose for request, response will be send with Content-Type as appl…
applyPostOperation 3 params body → 200400401500403404503
GET
/cards/applications/{applicationId}
Get the status of application
getApiForApplicationStatus 4 params → 200400401500403404503
POST
/cards/offer
Accepts meta data to fetch a unique offerId
postApiForOffer 3 params body → 200400401500403503

Schemas 75

The contract defines 75 schemas that model the data the API accepts and returns. The most detailed are ApplicationReqAttributes (29 properties), ApplicationResAttributes (14 properties), ApplicationRequest (14 properties), ApplicationConsentResponseAttributes (11 properties). Each schema is shown below with its type and property counts.

ApplicationConsentResponse
object
App consent response data
1 property 1 required
DownsellProductInfoAttributes
object
Downsell Product information will be sent in the response for the application status 'DOWNSELLAPPROVEDCONSENTREQUIRED' and 'DOWNSELLPENDEDCONSENTREQUIRED'.In c…
3 properties
CasServiceResponseAttributes
object
cas service apply response
1 property
ApplicationStatusResponseAttributes
object
Application status for applicant
8 properties 3 required
Address
object
Permanent address Info
5 properties 4 required
OfferAttributes
array
PartnerAttributes_2
array
Partner specific custom attributes
PartnerAttributes_1
array
Partner specific custom attributes
ApplyPreScreenCaptureResponseAttributes
object
Screening capture response
1 property 1 required
Attributes
array
PrequalResponse
object
Prequal decision response From apply screening
1 property 1 required
TrackingAttributeList
array
Tracking attribute list with respect to application request
BalanceTransfersAttributeList
array
Balance transfers with respect to application request
PrescreenOffersCaptureRequestAttributes
object
Prescreen offer capture request
1 property 1 required
InstantCreditByAccountResponse
object
InstantCredit look up by accountId API response
1 property 1 required
CasServiceResponse
object
SalesForce Apply Response data.
1 property 1 required
PartnerDataAttributes_1
array
List of partner data attributes
PrescreenOffersCaptureResponseAttributes
object
Prescreen offer capture response
1 property 1 required
ValidationError
object
Validation Errors
3 properties
BalanceTransfersAttributes
object
Balance transfer requests
2 properties 2 required
OfferReqAttributes
object
Offer Request Attributes
10 properties 6 required
DeviceVerificationContextAttributes
object
Device verification attributes
2 properties 2 required
PrequalRequestAttributes
object
PrequalRequestAttributes object
4 properties
PrescreenOffersCaptureRequest
object
Prescreen offer capture request
1 property 1 required
ErrorResponseType
object
An API error response.
2 properties
CardNumberAttributes
object
response
3 properties
DeviceProfiling
array
List of DeviceProfiling
ApplicationVerificationResponseAttributes
object
response
11 properties 1 required
ApplicationConsentRequestAttributes
object
Application Consent Request Attributes
4 properties 3 required
ApplicationReqAttributes
object
Application Request Attributes
29 properties 10 required
ApplyPreScreeningOfferCaptureResponse
object
Screening capture response
1 property 1 required
OfferRequest
object
Offer API request
1 property 1 required
PrescreenOffersRequest
object
Prescreen a customer against an existing offer
1 property 1 required
Offer
object
Offer Object
11 properties
ApplicationReqAttributes_secondaryApplicants
object
Secondary applicant details
4 properties
ProductDataAttributes
array
Product data attribute list with respect to application request
InstantCreditByAccountReqAttributes
object
Instant Credit look up account id request attributes
3 properties 1 required
PrescreenOffersResponseAttributes
object
The best offer for which Prospect customer is eligible for
9 properties 4 required
ApplicationReq
object
Application Request Attributes
1 property 1 required
ApplicationVerificationRequest
object
Verification request data
1 property 1 required
OfferResponse
object
Offer API response
1 property 1 required
OfferResAttributes
object
response
4 properties 1 required
ApplyPreScreeningOfferCaptureRequest
object
Screening offer request
1 property 1 required
ApplicationVerificationResponse
object
Verification response data
1 property 1 required
ErrorType
object
Message details - additional operation execution information.
5 properties 3 required
PartnerAttributes
array
Partner specific custom attributes
TokenAttributes
object
response
3 properties
AdditionalAttributes
array
Any additional attributes that needs to be sent with the request
DocumentTypeCategories
object
Document type categories
5 properties
TrackingInfo
array
List of tracking information
ApplicationRequest
object
Prequal a customer against for an given offer
14 properties 3 required
ApplicationVerificationRequestAttributes
object
Verification Request Attributes
2 properties 2 required
PrescreenOffersCaptureResponse
object
Prescreen offer capture response
1 property 1 required
ApplicationRes
object
Application response data
1 property 1 required
CardDetailAttributes
object
response
5 properties
InstantCreditByAccountRequest
object
InstantCredit look up by accountId API request
1 property 1 required
PartnerDataAttributes
array
Partner Data attribute list with respect to application request
CasServiceRequestAttributes
object
cas service apply request
7 properties
ApplyPreScreenCaptureRequestAttributes
object
Screening capture request
1 property 1 required
PrequalRequest
object
Prequal decision request for the customer
1 property 1 required
ApplicationConsentResponseAttributes
object
Application Consent Response Attributes
11 properties 1 required
CasServiceRequest
object
cas service request
1 property 1 required
InstantCreditByAccountResAttributes
object
response
2 properties 1 required
StateEnums
string
Applicant's State
CreditBureauDetails
object
Offer Object
3 properties
NameValueAttributePair
object
Name value attributes
2 properties 2 required
ApplicationResAttributes
object
response
14 properties 1 required
ApplicationStatusResponse
object
Application status for applicant
1 property 1 required
PrequalDecision
object
Decision object
6 properties
DocumentTypes
object
Document type categories
2 properties
OccupationEnum
string
Occupation types
ApplicationConsentRequest
object
App consent request data
1 property 1 required
PrescreenOffersRequestAttributes
object
Prescreen a customer against an existing offer
7 properties 3 required
PrequalRes
object
Decision response for the customer prequal submission
3 properties
PrescreenOffersResponse
object
The best offer for which Prospect customer is eligible for
1 property 1 required

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

barclays-card-application-openapi.yml Raw ↑

Other APIs Barclays publishes across the network.

Barclays Smartpay Web Payment API
Barclays Bank Ireland Confirmation of Funds API
Barclays Account and Transactions API
Barclays Bank Ireland Account Information API
Barclays Bank Ireland Payment Initiation API
Barclays Confirmation of Funds API
Barclays Dynamic Client Registration API
Barclays Event Notification API
Barclays Payment Initiation API
Barclays ATM Locator API
Barclays Branch Locator API
Barclays FCA Service Metrics API
Where this information came from

This is an independent, third-party profile of Barclays Card Application API, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.

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