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Barclays Payments API

Securely make and receive payments with fraud detection and real-time tracking.

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

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

This API exposes 11 operations across 9 paths, organized into 3 resource areas, and defines 83 schemas. It is described by OpenAPI 3.1.0, at version 2.0.

11 operations 9 paths 83 schemas 6 GET3 PATCH2 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.1.0
API Version
2.0
Authentication
OAuth 2.0
Resource Areas
3

Authentication & Security 1

Barclays Payments 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 11

Across 9 paths, the API surfaces 11 operations — 6 GET, 3 PATCH, 2 POST. They span 3 resource areas: paymentProductExternalAPI-AutoPay, paymentProductExternalAPI-OneTimePayment, paymentProductExternalAPI-ExternalAccount. Each is listed below with its method, path, parameters, and response codes.

paymentProductExternalAPI-AutoPay 4

OAS3 External AutoPay APIs

PATCH
/cards/accounts/{extAccountId}/payments/subscriptions/{subscriptionId}
Update an AutoPay subscription - update attributes or cancel
updateSubscriptionV2 5 params body → 200401500404503
GET
/cards/accounts/{extAccountId}/payments/subscriptions
Retrieve the most recent and active AutoPay subscription
getSubscriptionV2 3 params → 200401500404503
POST
/cards/accounts/{extAccountId}/payments/subscriptions
Create an AutoPay subscription
addSubscriptionV2 4 params body → 200401500404503
GET
/cards/accounts/{extAccountId}/payments/subscriptions/options
Retrieve options for setting up an AutoPay subscription
getSubscriptionOptionsV2 3 params → 200401500404503
paymentProductExternalAPI-OneTimePayment 5

OAS3 External Onetime Payment APIs

PATCH
/cards/accounts/{extAccountId}/payments/{referenceNumber}
Modify One-time Payment for partner
updatePaymentV2 5 params body → 200400401500
GET
/cards/accounts/{extAccountId}/payments/payment-options
Payment options for the accountId from partner
getPaymentOptionsV2 3 params → 200400401500404
GET
/cards/accounts/{extAccountId}/payments
Payment activity for the accountId from partner
getPaymentSummaryV2 9 params → 200400401500404
POST
/cards/accounts/{extAccountId}/payments
Make a One-time Payment for account id from partner
schedulePaymentV2 4 params body → 200400401500
PATCH
/cards/accounts/{extAccountId}/auto-payments/{referenceNumber}
Modify Autopay Payment for current cycle
modifyAutoPayPayment 5 params body → 200400401500
paymentProductExternalAPI-ExternalAccount 2

OAS3 External Account APIs

GET
/cards/accounts/{extAccountId}/payments/external-accounts/{bankAccountId}
Get an external bank account for partner provided external bank account ID
getExternalAccountV2 4 params → 200401500404503
GET
/cards/accounts/{extAccountId}/payments/external-accounts
Get all external bank accounts for partner provided accountId
getAllExternalAccountsV2 3 params → 200401500404503

Schemas 83

The contract defines 83 schemas that model the data the API accepts and returns. The most detailed are PaymentSummary (13 properties), Subscription (8 properties), ModifySubscriptionDetails (8 properties), PaymentRequest (7 properties). Each schema is shown below with its type and property counts.

BankName
string
Bank name of the bank account added as payment source
AmountOptions_minimumDue
object
Minimum due amount that customer needs to pay
2 properties 2 required
SchedulePaymentRequestData
object
Schedule Payment Request Data
1 property 1 required
ModifySubscriptionDetails
object
Object holding the subscription information after enrollment
8 properties 6 required
AmountOptions_statementBalance
object
Statement balance i.e. the amount owed by the customer till the last billing cycle
2 properties 2 required
AddSubscriptionResponse
object
Object holding the response for enrollment for an AutoPay subscription
3 properties 1 required
SubscriptionOptionsData
object
Subscription options data
1 property 1 required
ModifyAutoPaymentResponseData
object
Modify Current Cycle AutoPay Response Data
1 property 1 required
AddSubscriptionDetails
object
Object holding the subscription information after enrollment
6 properties 6 required
PaymentSummaryResponseData
object
Payment Summary Data
2 properties 2 required
ModifyAutoPaymentRequestData
object
Modify Current Cycle AutoPay Request Data
1 property 1 required
AmountOptions_remainingMinimumDue
object
Remaining minimum due amount if some part of it is already paid
2 properties 2 required
ModifyPaymentResponse
object
Modify Payment Response
3 properties 1 required
DaysBeforeDueDateToProcess
integer
Days from Due Date from which the subscription was set up
Subscription
object
Object holding the subscription information for an account
8 properties 8 required
DateType
string
Standard Date format
Status
string
Fraud verification status
ModifySubscriptionResponse
object
Object holding the response for updating an AutoPay subscription
3 properties 1 required
PaymentDate
string
Date on which processing of the payment started
ExternalBankAccountDetailsLast4
object
Bank account details
5 properties
ReferenceNumber
string
Payment reference number
DayOfMonth
integer
Day of the Month on which the subscription was set up
AuthorizationText
string
Authorization text displayed on the subscription confirmation screen
SubscriptionOptions_dateOptions
object
Options for the dates on which the subscription can be set up for
2 properties 2 required
ErrorResponseType
object
An API error response.
2 properties
ModifyAutoPaymentRequest
object
Modify AutoPay Request
2 properties 2 required
MinCustomRangeInterval
integer
Lower limit for Custom Amount payment option
RepeatPayOptionType
array
The amount options customer can choose to pay for the subscription
AmountOptions_remainingStatementBalance
object
Remaining statement balance if some part of it is already paid
2 properties 2 required
ProjectedCreditDate
string
Projected credit date of payment
ExternalBankDetails
object
4 properties
BankAccountId
string
ID of bank account added as payment source
BankAccountType
string
Account type of the bank account used as payment source
UpdatedPaymentDetails
object
Update Payment Response
3 properties 3 required
BankRoutingNumber
string
Bank routing number of the bank account added as payment source
GetAllExternalAccountsResponseDataLast4
object
All external bank accounts response data
1 property 1 required
SubscriptionOptions_dateOptions_daysBeforeDueDateRange
object
Interval from Due Date within the subscription can be set up
2 properties 2 required
sessionLoginTime
string
Timestamp when the customer login
BankAccountNickname
string
Nickname for bank account added as payment source
GetExternalAccountResponseDataLast4
object
external bank account response data
1 property 1 required
amt
number
Amount figure of payment amount
UpdatedAutoPaymentDetails
object
Update Auto Payment Response
4 properties 4 required
AmountOptionType
string
Payment amount option type
ExternalAccountListLast4
array
Get all external account list
AmountOptions_availableCredit
object
Credit available for the card account
2 properties 2 required
RiskAssessmentDetails
object
Risk summary
1 property 1 required
ExternalAccountLast4
object
Get all external account response
5 properties
DateOptions_customDateRange
object
Custom date range for future payments
2 properties 2 required
PaymentSummaryListResponse
array
List of payments
SubscriptionRequest
object
Object holding the subscription information for creating/patching an AutoPay subscription
7 properties 5 required
SubscriptionId
integer
Unique Identifier for the Subscription
PaymentSummary
object
Payment Summary fields
13 properties 13 required
BankAccountNumberLast4
string
Last 4 digits of Bank account number to be added as a payment source
ErrorType
object
Message details - additional operation execution information.
5 properties 3 required
PaymentOptionsResponse
object
payment options fields
2 properties 2 required
AmountOptions
object
amount options
7 properties 7 required
SchedulePaymentResponseData
object
Schedule Payment Response Data
1 property 1 required
ModifySubscriptionReqData
object
Update a subscription
1 property 1 required
SubscriptionOptions
object
Object holding options for date, payment option type & range for custom amount
3 properties 3 required
currency
string
Currency of payment amount
DateOptions
object
Date options available under payment options
6 properties 6 required
AmountOptions_currentBalance
object
Current balance i.e. total amount owed by the customer at the given moment
2 properties 2 required
AddSubscriptionReqData
object
Enroll to a subscription request data
1 property 1 required
ModifyPaymentRequest
object
Modify Payment Request
2 properties 2 required
ModifyPaymentResponseData
object
Modify Payment Response Data
1 property 1 required
ModifySubscriptionRequest
object
Object holding the subscription information for updating an AutoPay subscription
2 properties 2 required
Amount
object
Payment Amount Object
2 properties 2 required
PaymentSummaryMetaResponse
object
2 properties
AmountOptions_creditLimit
object
Credit limit for the card account
2 properties 2 required
CustomAmountRange
object
Range allowed for the custom amount payment option
2 properties 2 required
PaymentOptionsResponseData
object
Payment Options Response Data
1 property 1 required
ModifyPaymentRequestData
object
Modify Payment Request Data
1 property 1 required
actionSubmittedTime
string
Timestamp when the submit button was clicked
SchedulePaymentResponse
object
Schedule Payment Response
3 properties 1 required
RepeatPayOptions
string
The amount options customer can choose to pay for the subscription
ModifyAutoPaymentResponse
object
Modify AutoPay Response
3 properties 1 required
MinMaxDueDateInterval
integer
Lower or Upper limit from Due Date within the subscription can be set up
PaymentRequest
object
Payment Request
7 properties 7 required
ModifySubscriptionResData
object
Response for subscription update
1 property 1 required
MaxCustomRangeInterval
integer
Higher limit for Custom Amount payment option
SubscriptionData
object
Subscription data
1 property 1 required
AddSubscriptionResData
object
Response for subscription enrollment
1 property 1 required
ScheduledPaymentDetails
object
Schedule Payment Response
4 properties 4 required

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

barclays-payments-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 Payments 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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