Barclays Event Notification API

openapi: 3.1.0
info:
  title: Event Notification
  description: The Event Notification API (also known as two-way notification of revocation API) allows ASPSPs and TPPs to
    notify each other if a consumer has revoked their consent.
  termsOfService: https://www.openbanking.org.uk/terms
  contact:
    name: Service Desk
    url: https://www.openbanking.org.uk
    email: ServiceDesk@openbanking.org.uk
  license:
    name: open-licence
    url: https://www.openbanking.org.uk/open-licence
  version: v4.0
x-method: searched
x-source: https://developer.barclays.com/api/apis/versions/710b0fca-35bd-4d6c-8991-6fb34797e441.bdn/design?specification=oas31
x-harvested: '2026-09-04'
x-harvested-note: Verbatim OpenAPI 3.1 design export from the Barclays API Exchange registry (developer.barclays.com), fetched
  anonymously. The untouched export is in openapi/_original/barclays-event-notification-openapi.json. The UK Open Banking
  documents carry OBIE (openbanking.org.uk) in info.contact/termsOfService because they are the OBIE standard contract as
  Barclays implements and publishes it — the API, the registry record and the host are Barclays'.
tags:
- name: Event Subscriptions
  description: Event Subscriptions
- name: Events
  description: Events
paths:
  /event-subscriptions/{eventSubscriptionId}:
    summary: Modify Event Subscriptions
    description: Modify Event Subscriptions
    put:
      tags:
      - Event Subscriptions
      summary: Change Event Subscription
      description: Change Event Subscription
      operationId: ChangeEventSubscriptionsEventSubscriptionId
      parameters:
      - $ref: '#/components/parameters/EventSubscriptionId'
      - $ref: '#/components/parameters/x-fapi-auth-date'
      - $ref: '#/components/parameters/x-fapi-customer-ip-address'
      - $ref: '#/components/parameters/x-fapi-interaction-id'
      - $ref: '#/components/parameters/Authorization'
      - $ref: '#/components/parameters/x-jws-signature'
      requestBody:
        description: Default
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/OBEventSubscriptionResponse1'
            examples:
              modify-event-subscription-request-example:
                value:
                  Data:
                    EventSubscriptionId: BARCLAYS-E-12345678901234
                    Version: '3.1'
                    EventTypes:
                    - UK.OBIE.Consent-Authorization-Revoked
                  Links:
                    Self: https://telesto.api.barclays/open-banking/v3.1/event-subscriptions
                  Meta: {}
        required: true
      responses:
        '500':
          $ref: '#/components/responses/500Error'
        '405':
          $ref: '#/components/responses/405Error'
      deprecated: false
    delete:
      tags:
      - Event Subscriptions
      summary: Delete Event Subscription
      description: Delete Event Subscription
      operationId: DeleteEventSubscriptionsEventSubscriptionId
      parameters:
      - $ref: '#/components/parameters/EventSubscriptionId'
      - $ref: '#/components/parameters/x-fapi-auth-date'
      - $ref: '#/components/parameters/x-fapi-customer-ip-address'
      - $ref: '#/components/parameters/x-fapi-interaction-id'
      - $ref: '#/components/parameters/Authorization'
      responses:
        '400':
          $ref: '#/components/responses/400Error'
        '401':
          $ref: '#/components/responses/401Error'
        '500':
          $ref: '#/components/responses/500Error'
        '204':
          $ref: '#/components/responses/204EventSubscriptionsEventSubscriptionIdDeleted'
        '403':
          $ref: '#/components/responses/403Error'
        '404':
          $ref: '#/components/responses/404Error'
        '405':
          $ref: '#/components/responses/405Error'
        '406':
          $ref: '#/components/responses/406Error'
        '429':
          $ref: '#/components/responses/429Error'
      deprecated: false
  /events:
    summary: Create Events
    description: Create Events
    post:
      tags:
      - Events
      summary: Create Events
      description: Create Events
      operationId: CreateEvents
      parameters:
      - $ref: '#/components/parameters/x-fapi-auth-date'
      - $ref: '#/components/parameters/x-fapi-customer-ip-address'
      - $ref: '#/components/parameters/x-fapi-interaction-id'
      - $ref: '#/components/parameters/Authorization'
      requestBody:
        description: Default
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/OBEventPolling1'
            examples:
              create-event-example:
                value:
                  maxEvents: 10
                  returnImmediately: true
        required: true
      responses:
        '200':
          $ref: '#/components/responses/200EventsRead'
        '201':
          $ref: '#/components/responses/201EventsCreated'
        '400':
          $ref: '#/components/responses/400Error'
        '401':
          $ref: '#/components/responses/401Error'
        '500':
          $ref: '#/components/responses/500Error'
        '403':
          $ref: '#/components/responses/403Error'
        '404':
          $ref: '#/components/responses/404Error'
        '415':
          $ref: '#/components/responses/415Error'
        '405':
          $ref: '#/components/responses/405Error'
        '406':
          $ref: '#/components/responses/406Error'
        '429':
          $ref: '#/components/responses/429Error'
      deprecated: false
  /event-subscriptions:
    summary: Event Subscriptions
    description: Event Subscriptions
    get:
      tags:
      - Event Subscriptions
      summary: Get Event Subscription
      description: Get Event Subscription
      operationId: GetEventSubscriptions
      parameters:
      - $ref: '#/components/parameters/x-fapi-auth-date'
      - $ref: '#/components/parameters/x-fapi-customer-ip-address'
      - $ref: '#/components/parameters/x-fapi-interaction-id'
      - $ref: '#/components/parameters/Authorization'
      responses:
        '200':
          $ref: '#/components/responses/200EventSubscriptionsRead'
        '400':
          $ref: '#/components/responses/400Error'
        '401':
          $ref: '#/components/responses/401Error'
        '500':
          $ref: '#/components/responses/500Error'
        '403':
          $ref: '#/components/responses/403Error'
        '404':
          $ref: '#/components/responses/404Error'
        '405':
          $ref: '#/components/responses/405Error'
        '406':
          $ref: '#/components/responses/406Error'
        '429':
          $ref: '#/components/responses/429Error'
      deprecated: false
    post:
      tags:
      - Event Subscriptions
      summary: Create Event Subscription
      description: Create Event Subscription
      operationId: CreateEventSubscriptions
      parameters:
      - $ref: '#/components/parameters/x-fapi-auth-date'
      - $ref: '#/components/parameters/x-fapi-customer-ip-address'
      - $ref: '#/components/parameters/x-fapi-interaction-id'
      - $ref: '#/components/parameters/Authorization'
      - $ref: '#/components/parameters/x-jws-signature'
      requestBody:
        description: Default
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/OBEventSubscription1'
            examples:
              create-event-subscription-example:
                value:
                  Data:
                    Version: '3.1'
                    EventTypes:
                    - UK.OBIE.Consent-Authorization-Revoked
        required: true
      responses:
        '201':
          $ref: '#/components/responses/201EventSubscriptionsCreated'
        '400':
          $ref: '#/components/responses/400Error'
        '401':
          $ref: '#/components/responses/401Error'
        '500':
          $ref: '#/components/responses/500Error'
        '403':
          $ref: '#/components/responses/403Error'
        '404':
          $ref: '#/components/responses/404Error'
        '415':
          $ref: '#/components/responses/415Error'
        '405':
          $ref: '#/components/responses/405Error'
        '406':
          $ref: '#/components/responses/406Error'
        '429':
          $ref: '#/components/responses/429Error'
        '409':
          $ref: '#/components/responses/409Error'
      deprecated: false
components:
  schemas:
    Meta:
      type: object
      additionalProperties: false
      deprecated: false
      description: Meta Data relevant to the payload
      properties:
        TotalPages:
          type: integer
          format: int32
          example: 42
          maximum: 999999
          minimum: 0
        FirstAvailableDateTime:
          $ref: '#/components/schemas/ISODateTime'
        LastAvailableDateTime:
          $ref: '#/components/schemas/ISODateTime'
      title: MetaData
    OBEventPollingResponse1:
      type: object
      additionalProperties: false
      deprecated: false
      properties:
        moreAvailable:
          type: boolean
          description: A JSON boolean value that indicates if more unacknowledged event notifications are available to be
            returned.
        sets:
          type: object
          additionalProperties:
            type: string
            description: 'An object named with the jti of the event notification to be delivered. The value is the event notification,
              expressed as a string.

              The payload of the event should be defined in the OBEventNotification2 format.'
          description: A JSON object that contains zero or more nested JSON attributes. If there are no outstanding event
            notifications to be transmitted, the JSON object SHALL be empty.
          properties: {}
      required:
      - moreAvailable
      - sets
      nullable: false
    Version:
      type: string
      deprecated: false
      description: Version for the event notification.
      maxLength: 10
      minLength: 1
    OBErrorResponse1:
      type: object
      additionalProperties: false
      deprecated: false
      description: An array of detail error codes, and messages, and URLs to documentation to help remediation.
      properties:
        Id:
          type: string
          description: A unique reference for the error instance, for audit purposes, in case of unknown/unclassified errors.
          maxLength: 40
          minLength: 1
          pattern: ^(?!\\s)([a-zA-Z0-9- '.,@#?_/()]){1,40}$
        Code:
          type: string
          description: Deprecated <br>High level textual error code, to help categorise the errors.
          example: 400 BadRequest
          maxLength: 40
          minLength: 1
          pattern: ^(?!\\s)([a-zA-Z0-9- '.,@#?_/()]){1,40}$
        Message:
          type: string
          description: Deprecated <br>Brief Error message
          example: There is something wrong with the request parameters provided
          maxLength: 500
          minLength: 1
          pattern: ^(?!\\s)([a-zA-Z0-9- '.,@#?_/()]){1,500}$
        Errors:
          type: array
          items:
            $ref: '#/components/schemas/OBError1'
          maxItems: 50
          minItems: 1
      required:
      - Errors
      nullable: false
    OBEventPolling1:
      type: object
      additionalProperties: false
      deprecated: false
      properties:
        maxEvents:
          type: integer
          description: Maximum number of events to be returned. A value of zero indicates the ASPSP should not return events
            even if available
          maximum: 999999
          minimum: 0
        returnImmediately:
          type: boolean
          description: Indicates whether an ASPSP should return a response immediately or provide a long poll
        ack:
          type: array
          items:
            type: string
            description: An array of jti values indicating event notifications positively acknowledged by the TPP
            maxLength: 128
            minLength: 1
          maxItems: 99999
          minItems: 0
        setErrs:
          type: object
          additionalProperties:
            type: object
            additionalProperties: false
            properties:
              err:
                type: string
                description: "A value from the IANA \"Security Event Token Delivery Error Codes\" registry that identifies\
                  \ the error as defined here \nhttps://tools.ietf.org/id/draft-ietf-secevent-http-push-03.html#error_codes"
                maxLength: 40
                minLength: 1
              description:
                type: string
                description: A human-readable string that provides additional diagnostic information
                maxLength: 256
                minLength: 1
            required:
            - description
            - err
          description: An object that encapsulates all negative acknowledgements transmitted by the TPP
          properties: {}
      nullable: false
    OBExternalStatusReason1Code:
      type: string
      deprecated: false
      description: Low level textual error code, for all enum values see `ExternalReturnReason1Code` here - https://github.com/OpenBankingUK/External_Interal_CodeSets/
      example: AC17
      maxLength: 4
      minLength: 4
      nullable: false
    OBEventSubscription1:
      type: object
      additionalProperties: false
      deprecated: false
      properties:
        Data:
          type: object
          additionalProperties: false
          properties:
            CallbackUrl:
              type: string
              format: uri
              description: Callback URL for a TPP hosted service. Will be used by ASPSPs, in conjunction with the resource
                name, to construct a URL to send event notifications to.
            Version:
              $ref: '#/components/schemas/Version'
            EventTypes:
              type: array
              items:
                type: string
                description: Array of event types the subscription applies to.
                enum:
                - UK.OBIE.Consent-Authorization-Revoked
                example: UK.OBIE.Consent-Authorization-Revoked
              maxItems: 99999
              minItems: 0
          required:
          - Version
      required:
      - Data
      nullable: false
    Links:
      type: object
      additionalProperties: false
      deprecated: false
      description: Links relevant to the payload
      properties:
        Self:
          type: string
          format: uri
        First:
          type: string
          format: uri
        Prev:
          type: string
          format: uri
        Next:
          type: string
          format: uri
        Last:
          type: string
          format: uri
      required:
      - Self
    OBEventSubscriptionsResponse1:
      type: object
      additionalProperties: false
      deprecated: false
      properties:
        Data:
          type: object
          additionalProperties: false
          properties:
            EventSubscription:
              type: array
              items:
                type: object
                additionalProperties: false
                properties:
                  EventSubscriptionId:
                    type: string
                    description: Unique identification as assigned by the ASPSP to uniquely identify the callback url resource.
                    example: BARCLAYS-E-12345678901234
                    maxLength: 25
                    minLength: 25
                    pattern: ^BARCLAYS-E-\d{14}$
                    nullable: false
                  CallbackUrl:
                    type: string
                    format: uri
                    description: Callback URL for a TPP hosted service. Will be used by ASPSPs, in conjunction with the resource
                      name, to construct a URL to send event notifications to.
                  Version:
                    $ref: '#/components/schemas/Version'
                  EventTypes:
                    type: array
                    items:
                      type: string
                      description: Array of event types the subscription applies to.
                      enum:
                      - UK.OBIE.Consent-Authorization-Revoked
                      example: UK.OBIE.Consent-Authorization-Revoked
                    maxItems: 99999
                    minItems: 0
                required:
                - EventSubscriptionId
                - Version
        Links:
          $ref: '#/components/schemas/Links'
        Meta:
          $ref: '#/components/schemas/Meta'
      required:
      - Data
      nullable: false
    ISODateTime:
      type: string
      format: date-time
      deprecated: false
      description: "All dates in the JSON payloads are represented in ISO 8601 date-time format. \nAll date-time fields in\
        \ responses must include the timezone. An example is below:\n2017-04-05T10:43:07+00:00"
    OBError1:
      type: object
      additionalProperties: false
      deprecated: false
      minProperties: 1
      properties:
        ErrorCode:
          $ref: '#/components/schemas/OBExternalStatusReason1Code'
        Message:
          type: string
          description: A description of the error that occurred. e.g., 'A mandatory field isn't supplied' or 'RequestedExecutionDateTime
            must be in future' OBIE doesn't standardise this field
          maxLength: 500
          minLength: 1
          pattern: ^(?!\\s)([a-zA-Z0-9- '.,@#?_/()]){1,500}$
        Path:
          type: string
          description: Recommended but optional reference to the JSON Path of the field with error, e.g., Data.Initiation.InstructedAmount.Currency
          maxLength: 500
          minLength: 1
          pattern: ^(?!\\s)([a-zA-Z0-9- '.,@#?_/()]){1,500}$
        Url:
          type: string
          description: URL to help remediate the problem, or provide more information, or to API Reference, or help etc
      required:
      - ErrorCode
    OBEventSubscriptionResponse1:
      type: object
      additionalProperties: false
      deprecated: false
      properties:
        Data:
          type: object
          additionalProperties: false
          properties:
            EventSubscriptionId:
              type: string
              description: Unique identification as assigned by the ASPSP to uniquely identify the callback URL resource.
              example: BARCLAYS-E-12345678901234
              maxLength: 25
              minLength: 25
              pattern: ^BARCLAYS-E-\d{14}$
              nullable: false
            CallbackUrl:
              type: string
              format: uri
              description: Callback URL for a TPP hosted service. Will be used by ASPSPs, in conjunction with the resource
                name, to construct a URL to send event notifications to.
            Version:
              $ref: '#/components/schemas/Version'
            EventTypes:
              type: array
              items:
                type: string
                description: Array of event types the subscription applies to.
                enum:
                - UK.OBIE.Consent-Authorization-Revoked
                example: UK.OBIE.Consent-Authorization-Revoked
              maxItems: 99999
              minItems: 0
          required:
          - EventSubscriptionId
          - Version
        Links:
          $ref: '#/components/schemas/Links'
        Meta:
          $ref: '#/components/schemas/Meta'
      required:
      - Data
      nullable: false
  responses:
    403Error:
      description: Forbidden
      headers:
        x-fapi-interaction-id:
          description: An RFC4122 UID used as a correlation id.
          schema:
            type: string
            deprecated: false
            maxLength: 36
            minLength: 32
            pattern: ^[A-Za-f0-9]{8}-?[A-Za-f0-9]{4}-?[1-5][A-Za-f0-9]{3}-?[89ab][A-Za-f0-9]{3}-?[A-Za-f0-9]{12}$
            nullable: false
          example: 93bac548-d2de-4546-b106-880a5018460d
        Cache-Control:
          description: GIS mandatory response header. This is added by the Cognac sidecar.
          schema:
            type: string
            default: no-cache, no-store, must-revalidate
            deprecated: false
            maxLength: 35
            minLength: 35
            pattern: ^no-cache, no-store, must-revalidate$
            nullable: false
          example: no-cache, no-store, must-revalidate
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/OBErrorResponse1'
          examples:
            401ErrorResponse:
              value:
                Code: OB.BadRequest
                Id: 2b5f0fb2-730b-11e8-adc0-fa7ae01bbebc
                Message: Invalid request parameters
                Errors:
                - ErrorCode: AC17
                  Message: Version must be supplied
                  Path: Data.Initiation
                  Url: <url to the api reference for Event Notification API>
                - ErrorCode: AC17
                  Message: Version supplied is not valid
                  Path: Data.Initiation.CreditorAccount
                  Url: <url to the api reference for Event Notification API>
    500Error:
      description: Internal Server Error
      headers:
        x-fapi-interaction-id:
          description: An RFC4122 UID used as a correlation id.
          schema:
            type: string
            deprecated: false
            maxLength: 36
            minLength: 32
            pattern: ^[A-Za-f0-9]{8}-?[A-Za-f0-9]{4}-?[1-5][A-Za-f0-9]{3}-?[89ab][A-Za-f0-9]{3}-?[A-Za-f0-9]{12}$
            nullable: false
          example: 93bac548-d2de-4546-b106-880a5018460d
        Cache-Control:
          description: GIS mandatory response header. This is added by the Cognac sidecar.
          schema:
            type: string
            default: no-cache, no-store, must-revalidate
            deprecated: false
            maxLength: 35
            minLength: 35
            pattern: ^no-cache, no-store, must-revalidate$
            nullable: false
          example: no-cache, no-store, must-revalidate
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/OBErrorResponse1'
          examples:
            500ErrorResponse:
              value:
                Code: OB.BadRequest
                Id: 2b5f0fb2-730b-11e8-adc0-fa7ae01bbebc
                Message: Invalid request parameters
                Errors:
                - ErrorCode: AC17
                  Message: Version must be supplied
                  Path: Data.Initiation
                  Url: <url to the api reference for Event Notification API>
                - ErrorCode: AC17
                  Message: Version supplied is not valid
                  Path: Data.Initiation.CreditorAccount
                  Url: <url to the api reference for Event Notification API>
    406Error:
      description: Not Acceptable
      headers:
        x-fapi-interaction-id:
          description: An RFC4122 UID used as a correlation id.
          schema:
            type: string
            deprecated: false
            maxLength: 36
            minLength: 32
            pattern: ^[A-Za-f0-9]{8}-?[A-Za-f0-9]{4}-?[1-5][A-Za-f0-9]{3}-?[89ab][A-Za-f0-9]{3}-?[A-Za-f0-9]{12}$
            nullable: false
          example: 93bac548-d2de-4546-b106-880a5018460d
        Cache-Control:
          description: GIS mandatory response header. This is added by the Cognac sidecar.
          schema:
            type: string
            default: no-cache, no-store, must-revalidate
            deprecated: false
            maxLength: 35
            minLength: 35
            pattern: ^no-cache, no-store, must-revalidate$
            nullable: false
          example: no-cache, no-store, must-revalidate
    204EventSubscriptionsEventSubscriptionIdDeleted:
      description: Event Subscription Deleted
      headers:
        x-fapi-interaction-id:
          description: An RFC4122 UID used as a correlation id.
          schema:
            type: string
            deprecated: false
            maxLength: 36
            minLength: 32
            pattern: ^[A-Za-f0-9]{8}-?[A-Za-f0-9]{4}-?[1-5][A-Za-f0-9]{3}-?[89ab][A-Za-f0-9]{3}-?[A-Za-f0-9]{12}$
            nullable: false
          example: 93bac548-d2de-4546-b106-880a5018460d
        Cache-Control:
          description: GIS mandatory response header. This is added by the Cognac sidecar.
          schema:
            type: string
            default: no-cache, no-store, must-revalidate
            deprecated: false
            maxLength: 35
            minLength: 35
            pattern: ^no-cache, no-store, must-revalidate$
            nullable: false
          example: no-cache, no-store, must-revalidate
    409Error:
      description: Conflict
      headers:
        x-fapi-interaction-id:
          description: An RFC4122 UID used as a correlation id.
          schema:
            type: string
            deprecated: false
            maxLength: 36
            minLength: 32
            pattern: ^[A-Za-f0-9]{8}-?[A-Za-f0-9]{4}-?[1-5][A-Za-f0-9]{3}-?[89ab][A-Za-f0-9]{3}-?[A-Za-f0-9]{12}$
            nullable: false
          example: 93bac548-d2de-4546-b106-880a5018460d
        Cache-Control:
          description: GIS mandatory response header. This is added by the Cognac sidecar.
          schema:
            type: string
            default: no-cache, no-store, must-revalidate
            deprecated: false
            maxLength: 35
            minLength: 35
            pattern: ^no-cache, no-store, must-revalidate$
            nullable: false
          example: no-cache, no-store, must-revalidate
    400Error:
      description: Bad request
      headers:
        x-fapi-interaction-id:
          description: An RFC4122 UID used as a correlation id.
          schema:
            type: string
            deprecated: false
            maxLength: 36
            minLength: 32
            pattern: ^[A-Za-f0-9]{8}-?[A-Za-f0-9]{4}-?[1-5][A-Za-f0-9]{3}-?[89ab][A-Za-f0-9]{3}-?[A-Za-f0-9]{12}$
            nullable: false
          example: 93bac548-d2de-4546-b106-880a5018460d
        Cache-Control:
          description: GIS mandatory response header. This is added by the Cognac sidecar.
          schema:
            type: string
            default: no-cache, no-store, must-revalidate
            deprecated: false
            maxLength: 35
            minLength: 35
            pattern: ^no-cache, no-store, must-revalidate$
            nullable: false
          example: no-cache, no-store, must-revalidate
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/OBErrorResponse1'
          examples:
            400ErrorResponse:
              value:
                Code: OB.BadRequest
                Id: 2b5f0fb2-730b-11e8-adc0-fa7ae01bbebc
                Message: Invalid request parameters
                Errors:
                - ErrorCode: AC17
                  Message: Version must be supplied
                  Path: Data.Initiation
                  Url: <url to the api reference for Event Notification API>
                - ErrorCode: AC17
                  Message: Version supplied is not valid
                  Path: Data.Initiation.CreditorAccount
                  Url: <url to the api reference for Event Notification API>
    201EventSubscriptionsCreated:
      description: Event Subscription Created
      headers:
        Location:
          description: Mandatory response header for HTTP 201 (Created) response codes
          schema:
            type: string
            deprecated: false
            maxLength: 492
            minLength: 2
            pattern: ^(https:\/\/[-a-zA-Z0-9\\._\\\/?=]{2,492})$
            nullable: true
          example: https://www.example.org/index.php
        x-fapi-interaction-id:
          description: An RFC4122 UID used as a correlation id.
          schema:
            type: string
            deprecated: false
            maxLength: 36
            minLength: 32
            pattern: ^[A-Za-f0-9]{8}-?[A-Za-f0-9]{4}-?[1-5][A-Za-f0-9]{3}-?[89ab][A-Za-f0-9]{3}-?[A-Za-f0-9]{12}$
            nullable: false
          example: 93bac548-d2de-4546-b106-880a5018460d
        x-jws-signature:
          description: 'Header containing a detached JWS signature of the body of the payload.

            '
          schema:
            type: string
            deprecated: false
            maxLength: 8192
            minLength: 10
            pattern: ^[A-Za-z0-9-_="\/.]{1,8192}$
            nullable: false
          example: V2hhdCBoYXRoIGdvZCB3cm91Z2h0ID8=..QnkgR2VvcmdlLCBzaGUncyBnb3QgaXQhIEJ5IEdlb3JnZSBzaGUncyBnb3QgaXQhIE5vdyBvbmNlIGFnYWluLCB3aGVyZSBkb2VzIGl0IHJhaW4
        Cache-Control:
          description: GIS mandatory response header. This is added by the Cognac sidecar.
          schema:
            type: string
            default: no-cache, no-store, must-revalidate
            deprecated: false
            maxLength: 35
            minLength: 35
            pattern: ^no-cache, no-store, must-revalidate$
            nullable: false
          example: no-cache, no-store, must-revalidate
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/OBEventSubscriptionResponse1'
          examples:
            create-event-subscription-response-example:
              value:
                Data:
                  EventSubscriptionId: BARCLAYS-E-12345678901234
                  Version: '3.1'
                  EventTypes:
                  - UK.OBIE.Consent-Authorization-Revoked
                Links:
                  Self: https://telesto.api.barclays/open-banking/v3.1/event-subscriptions
                Meta: {}
    200EventsRead:
      description: Read awaiting events
      headers:
        x-fapi-interaction-id:
          description: An RFC4122 UID used as a correlation id.
          schema:
            type: string
            deprecated: false
            maxLength: 36
            minLength: 32
            pattern: ^[A-Za-f0-9]{8}-?[A-Za-f0-9]{4}-?[1-5][A-Za-f0-9]{3}-?[89ab][A-Za-f0-9]{3}-?[A-Za-f0-9]{12}$
            nullable: false
          example: 93bac548-d2de-4546-b106-880a5018460d
        Cache-Control:
          description: GIS mandatory response header. This is added by the Cognac sidecar.
          schema:
            type: string
            default: no-cache, no-store, must-revalidate
            deprecated: false
            maxLength: 35
            minLength: 35
            pattern: ^no-cache, no-store, must-revalidate$
            nullable: false
          example: no-cache, no-store, must-revalidate
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/OBEventPollingResponse1'
          examples:
            CreateEventsResponse:
              value:
                sets:
                  b6a68c1db7fc4c178fd7d8a41b9ef85c: eyJhbG...NEysZ4
                  2644f8cbc8294325ad103ddfc4a5b15d: eyJhbG...Qssw5c
                  1fd954d5fb964afb97deee232bb88d1f: eyJhbG...9kogfI
                moreAvailable: false
            CreateEventsEmptyResponse:
              value:
                sets: {}
                moreAvailable: false
    415Error:
      description: Unsupported Media Type
      headers:
        x-fapi-interaction-id:
          description: An RFC4122 UID used as a correlation id.
          schema:
            type: string
            deprecated: false
            maxLength: 36
            minLength: 32
            pattern: ^[A-Za-f0-9]{8}-?[A-Za-f0-9]{4}-?[1-5][A-Za-f0-9]{3}-?[89ab][A-Za-f0-9]{3}-?[A-Za-f0-9]{12}$
            nullable: false
          example: 93bac548-d2de-4546-b106-880a5018460d
        Cache-Control:
          description: GIS mandatory response header. This is added by the Cognac sidecar.
          schema:
            type: string
            default: no-cache, no-store, must-revalidate
            deprecated: false
            maxLength: 35
            minLength: 35
            pattern: ^no-cache, no-store, must-revalidate$
            nullable: false
          example: no-cache, no-store, must-revalidate
    401Error:
      description: Unauthorized
      headers:
        x-fapi-interaction-id:
          description: An RFC4122 UID used as a correlation id.
          schema:
            type: string
            deprecated: false
            maxL

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# Full source: https://raw.githubusercontent.com/api-evangelist/barclays/refs/heads/main/openapi/barclays-event-notification-openapi.yml