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Chase UK Statements API

The Statements API from Chase UK — 5 operation(s) for statements.

Chase UK Statements API is one of 28 APIs that Chase UK publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

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

This API exposes 5 operations across 5 paths, and defines 97 schemas. It is described by OpenAPI 3.2.0, at version 4.0.1.

Requests are made against a single base URL, /open-banking/v4.0/aisp.

5 operations 5 paths 97 schemas 5 GET

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.2.0
API Version
4.0.1
Server
/open-banking/v4.0/aisp
Authentication
OAuth 2.0, OAuth 2.0
Terms of Service
Resource Areas
1

Authentication & Security 2

Chase UK Statements API declares 2 security schemes for authenticating requests. It supports OAuth 2.0 (TPPOAuth2Security) using the clientCredentials flow, exposing 1 scope. It supports OAuth 2.0 (PSUOAuth2Security) using the authorizationCode flow, exposing 1 scope.

  • TPPOAuth2Security — TPP client credential authorisation flow with the ASPSP
  • PSUOAuth2Security — OAuth flow, it is required when the PSU needs to perform SCA with the ASPSP when a TPP wants to access an ASPSP resource owned by the PSU

Paths & Operations 5

Across 5 paths, the API surfaces 5 operations — 5 GET. Each is listed below with its method, path, parameters, and response codes.

Statements 5
GET
/accounts/{AccountId}/statements
Get Statements for an AccountId
GetAccountsAccountIdStatements 9 params → 200400401403404405406429
GET
/accounts/{AccountId}/statements/{StatementId}
Get Statement by StatementId for an AccountId
GetAccountsAccountIdStatementsStatementId 8 params → 200400401403404405406429
GET
/accounts/{AccountId}/statements/{StatementId}/file
Get Statement file by StatementId for an AccountId
GetAccountsAccountIdStatementsStatementIdFile 8 params → 200400401403404405406429
GET
/accounts/{AccountId}/statements/{StatementId}/transactions
Get Statement Transactions for an AccountId
GetAccountsAccountIdStatementsStatementIdTransactions 8 params → 200400401403404405406429
GET
/statements
Get Statements
GetStatements 8 params → 200400401403404405406429

Schemas 97

The contract defines 97 schemas that model the data the API accepts and returns. The most detailed are OBTransaction6 (32 properties), OBPostalAddress7 (18 properties), OBStatement2 (16 properties), OBCurrencyExchange5 (7 properties). Each schema is shown below with its type and property counts.

Description_1
string
Description that may be available for the statement fee.
StartDateTime
string
Date and time at which the statement period starts. All dates in the JSON payloads are represented in ISO 8601 date-time format. All date-time fields in respon…
OBActiveOrHistoricCurrencyAndAmount_7
object
Amount of money associated with the statement interest amount type.
2 properties 2 required
OBInternalStatementFeeFrequency1Code
string
How frequently the fee is applied to the Account. For a full list of values see OBInternalStatementFeeFrequency1Code in OBInternalCodeSet [here](https://github…
PostBox
string
Information that locates and identifies a box in a post office assigned to a person or organization, where letters for them are kept until called for.
OBTransaction6
object
Provides further details on an entry in the report.
32 properties 5 required
OBError1
object
4 properties 1 required
Meta
object
Meta Data relevant to the payload
3 properties
BuildingNumber
string
Number that identifies the position of a building on a street.
Rate
string
Rate associated with the statement rate type.
OBExternalPurpose1Code
string
For a full list of enumeration values refer to ExternalPurpose1Code in ISOExternalCodeSet [here](https://github.com/OpenBankingUK/ExternalInternalCodeSets)
OBReadStatement2
object
3 properties 1 required
OBAddressType2Code
string
Identifies the nature of the postal address. For a full set of codes see OBAddressType2Code in OBInternalCodeSet [here](https://github.com/OpenBankingUK/Extern…
TransactionReference
string
Unique reference for the transaction. This reference is optionally populated, and may as an example be the FPID in the Faster Payments context.
OBRate1_1
number
Rate for Statement Interest (where it is applicable in terms of a rate rather than an amount)
OBCurrencyExchange5
object
Set of elements used to provide details on the currency exchange.
7 properties 2 required
OBExternalStatusReason1Code
string
Low level textual error code, for all enum values see OBExternalStatusReason1Code in OBInternalCodeSet [here](https://github.com/OpenBankingUK/ExternalInternal…
TransactionInformation
string
Further details of the transaction. This is the transaction narrative, which is unstructured text.
OBInternalStatementAmountType1Code
string
Amount type, in a coded form.
BuildingName
string
Name of a referenced building.
OBInternalStatementValueType1Code
string
Statement value type, in a coded form. For a full list of values see OBInternalStatementValueType1Code in OBInternalCodeSet [here](https://github.com/OpenBanki…
OBReadTransaction6
object
3 properties 1 required
OBActiveOrHistoricCurrencyAndAmount_6
object
Amount of money associated with the statement fee type.
2 properties 2 required
StatementReference
string
Unique reference for the statement. This reference may be optionally populated if available.
AccountId
string
A unique and immutable identifier used to identify the account resource. This identifier has no meaning to the account owner.
OBActiveCurrencyAndAmount_SimpleType
string
A number of monetary units specified in an active currency where the unit of currency is explicit and compliant with ISO 4217.
ProprietaryBankTransactionCodeStructure1
object
Set of elements to fully identify a proprietary bank transaction code.
2 properties 1 required
OBReadDataTransaction6
object
1 property
OBExtendedProprietaryBankTransactionCode
object
Additional proprietary bank transaction codes used by the ASPSP for the underlying transaction
3 properties 1 required
UnitNumber
string
Number that identifies the unit of a specific address .
File
object
OBBankTransactionCodeStructure1
object
Set of elements used to fully identify the type of underlying transaction resulting in an entry.
2 properties 2 required
LEI
string
Legal entity identification as an alternate identification for a party. Legal Entity Identifier is a code allocated to a party as described in ISO 17442 "Finan…
Links
object
Links relevant to the payload
5 properties 1 required
OBTransactionCardInstrument1
object
Set of elements to describe the card instrument used in the transaction. For a full list of enumeration values refer to OBInternalCardSchemeType1Code in OBInte…
4 properties 1 required
OBMerchantDetails1
object
Details of the merchant involved in the transaction.
2 properties
OBBranchAndFinancialInstitutionIdentification6_2
object
Financial institution servicing an account for the debtor.
5 properties
DateTime
string
Date and time associated with the date time type. All dates in the JSON payloads are represented in ISO 8601 date-time format. All date-time fields in response…
ExternalProxyAccountType1Code
string
Specifies the external proxy account type code, as published in the proxy account type external code set. For more information and a full list of values see Ex…
OBInternalAccountIdentification4Code
string
Name of the identification scheme, in a coded form as published in an external list. For a full list of enumeration values refer to OBInternalAccountIdentifica…
Identification_0
string
Identification assigned by an institution to identify an account. This identification is known by the account owner.
OBInternalStatementFeeType1Code
string
Fee type, in a coded form. For a full list of values see OBInternalStatementFeeType1Code in OBInternalCodeSet [here](https://github.com/OpenBankingUK/ExternalI…
OBErrorResponse1
object
An array of detail error codes, and messages, and URLs to documentation to help remediation.
4 properties 1 required
Room
string
Information that locates and identifies a room to form part of an address
OBInternalStatementInterestRateType1Code
string
This code specifies the type of interest (e.g., BOE Base Rate, Fixed Rate, Gross).
OBInternalStatementInterestFrequency1Code
string
Specifies the statement fee type requested. For a full list of values see OBInternalStatementInterestFrequency1Code in OBInternalCodeSet [here](https://github.…
OBInternalStatementRateType1Code
string
Statement rate type, in a coded form. For a full list of values see OBInternalStatementRateType1Code in OBInternalCodeSet [here](https://github.com/OpenBanking…
OBProxy1
object
Specifies an alternate assumed name for the identification of the account.
3 properties 2 required
OBInternalStatementInterestType1Code
string
Interest amount type, in a coded form. For a full list of values see OBInternalStatementInterestType1Code in OBInternalCodeSet [here](https://github.com/OpenBa…
BookingDateTime
string
Date and time when a transaction entry is posted to an account on the account servicer's books. Usage: Booking date is the expected booking date, unless the st…
Description_2
string
Description that may be available for the statement interest.
OBActiveOrHistoricCurrencyAndAmount_10
object
Transaction charges to be paid by the charge bearer.
2 properties 2 required
OBCreditDebitCode_0
string
Indicates whether the amount is a credit or a debit. For a full list of values see OBInternalCreditDebitCode in OBInternalCodeSet [here](https://github.com/Ope…
DistrictName
string
Number that of the regional area, known as a district, which forms part of an address
StreetName
string
Name of a street or thoroughfare.
OBInternalFinancialInstitutionIdentification4Code
string
Name of the identification scheme, in a coded form as published in an external list. For a full list of enumeration values refer to OBInternalFinancialInstitut…
OBIntermediaryAgent
object
The intermediary agent associated with this transaction.
6 properties
Name_1
string
Name by which an agent is known and which is usually used to identify that agent.
OBPostalAddress7
object
Information that locates and identifies a specific address, as defined by postal services.
18 properties
OBReadDataStatement2
object
1 property
Name_0
string
The account name is the name or names of the account owner(s) represented at an account level, as displayed by the ASPSP's online channels. Note, the account n…
OBCreditDebitCode_2
string
Indicates whether the balance is a credit or a debit balance. Usage: A zero balance is considered to be a credit balance. For a full list of enumeration values…
ExternalEntryStatus1Code
string
Status of a transaction entry on the books of the account servicer. For a full list of enumeration values refer to ExternalEntryStatus1Code in ISOExternalCodeS…
StatementId
string
Unique identifier for the statement resource within a servicing institution. This identifier is both unique and immutable.
CareOf
string
The 'care of' address is used whenever sending mail to a person or organisation who does not actually live or work at the address. They will receive the mail f…
OBUltimateCreditor1
object
Ultimate party to which an amount of money is due.
5 properties
ExternalCategoryPurpose1Code
string
Enumeration of codes that outlines the type of purpose behind a transaction, payment or risk. For all enum values see ExternalCategoryPurpose1Code in ISOExtern…
OBInternalStatementBenefitType1Code
string
Benefit type, in a coded form. For a full list of values see OBInternalStatementBenefitType1Code in OBInternalCodeSet [here](https://github.com/OpenBankingUK/E…
ActiveOrHistoricCurrencyCode_1
string
A code allocated to a currency by a Maintenance Agency under an international identification scheme, as described in the latest edition of the international st…
OBCreditDebitCode_1
string
Indicates whether the transaction is a credit or a debit entry. For a full list of enumeration values refer to OBInternalCreditDebitCode in OBInternalCodeSet […
OBUltimateDebtor1
object
Ultimate party that owes an amount of money to the (ultimate) creditor.
5 properties
OBInternalStatementType1Code
string
Statement type, in a coded form. For a full list of values see OBInternalStatementType1Code in OBInternalCodeSet [here](https://github.com/OpenBankingUK/Extern…
Floor
string
Number that identifies the level within a building
ValueDateTime
string
Date and time at which assets become available to the account owner in case of a credit entry, or cease to be available to the account owner in case of a debit…
OBCashAccount6_0
object
Unambiguous identification of the account of the creditor, in the case of a debit transaction.
5 properties
CreationDateTime
string
Date and time at which the resource was created. All dates in the JSON payloads are represented in ISO 8601 date-time format. All date-time fields in responses…
Identification_2
string
Unique and unambiguous identification of a financial institution or a branch of a financial institution.
OBInternalStatementDateTimeType1Code
string
Date time type, in a coded form. For a full list of values see OBInternalStatementDateTimeType1Code in OBInternalCodeSet [here](https://github.com/OpenBankingU…
OBBalanceType1Code
string
Balance type, in a coded form. For a full list of enumeration values refer to ExternalBalanceType1Code in ISOExternalCodeSet [here](https://github.com/OpenBank…
OBActiveOrHistoricCurrencyAndAmount_9
object
Amount of money in the cash transaction entry.
2 properties 2 required
OBInternalStatementFeeRateType1Code
string
This code indicates the specific type of fee rate (e.g., AER, EAR). For a full list of values see OBInternalStatementFeeRateType1Code in OBInternalCodeSet [her…
AddressLine
string
Information that locates and identifies a specific address for a transaction entry, that is presented in free format text.
EndDateTime
string
Date and time at which the statement period ends. All dates in the JSON payloads are represented in ISO 8601 date-time format. All date-time fields in response…
TownName
string
Name of a built-up area, with defined boundaries, and a local government.
OBSupplementaryData1
object
Additional information that can not be captured in the structured fields and/or any other specific block.
ISODateTime
string
All dates in the JSON payloads are represented in ISO 8601 date-time format. All date-time fields in responses must include the timezone. An example is below:…
SecondaryIdentification
string
This is secondary identification of the account, as assigned by the account servicing institution. This can be used by building societies to additionally ident…
OBRate1_0
number
Rate charged for Statement Fee (where it is charged in terms of a rate rather than an amount)
OBBranchAndFinancialInstitutionIdentification6_1
object
Financial institution servicing an account for the creditor.
5 properties
OBInternalTransactionMutability1Code
string
Specifies the Mutability of the Transaction record. For a full list of enumeration values refer to OBInternalTransactionMutability1Code in OBInternalCodeSet [h…
Value
string
Value associated with the statement value type.
PostCode
string
Identifier consisting of a group of letters and/or numbers that is added to a postal address to assist the sorting of mail.
TransactionId
string
Unique identifier for the transaction within a servicing institution. This identifier is both unique and immutable.
OBStatement2
object
Provides further details on a statement resource.
16 properties 5 required
OBActiveOrHistoricCurrencyAndAmount_5
object
Amount of money associated with the statement benefit type.
2 properties 2 required
OBTransactionCashBalance
object
Set of elements used to define the balance as a numerical representation of the net increases and decreases in an account after a transaction entry is applied…
3 properties 3 required
OBCashAccount6_1
object
Unambiguous identification of the account of the debtor, in the case of a credit transaction.
5 properties

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

chase-uk-statements-api-openapi.yml Raw ↑

Other APIs Chase UK publishes across the network.

Chase UK Account Access Consents API
Chase UK Accounts API
Chase UK Balances API
Chase UK Beneficiaries API
Chase UK Direct Debits API
Chase UK Domestic Payment Consents API
Chase UK Domestic Payments API
Chase UK Domestic Scheduled Payment Consents API
Chase UK Domestic Scheduled Payments API
Chase UK Domestic Standing Order Consents API
Chase UK Domestic Standing Orders API
Chase UK File Payment Consents API
Where this information came from

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