API Performance Stats

Average API availability – unweighted

This chart shows the unweighted average availability of the account providers’ (ASPSPs)* Open Banking APIs.

Unweighted availability is calculated using the endpoint with the highest downtime for each bank, each day, regardless of the number of API calls each endpoint received.

Notes on the data:  Unweighted average API availability is based on data submitted by account providers (ASPSPs) to Open Banking for the last two years.  Since November 2022 there have been 9 Providers and 20 brands providing data.

Average API availability – weighted

This chart shows the weighted average availability of the account providers’ (ASPSPs)* Open Banking APIs.

Weighted availability is calculated by applying a factor to the availability of each endpoint, each day, based on the proportion of total daily API calls to that endpoint.

Notes on the data: Weighted average API availability is based on data submitted by account providers (ASPSPs) to Open Banking for the last two years.  Since November 2022 there have been 9 Providers and 20 brands providing data.

Successful API calls

This chart shows the number of successful API calls made by third party providers using account providers’ (ASPSPs)* Open Banking APIs.

Notes on the data: Successful API calls are based on data submitted by account providers (ASPSPs) to Open Banking for the last two years. Since November 2022 there have been 9 Providers and 20 brands providing data.

Successful Payments

This chart shows the number of successful single domestic payment and variable recurring payment initiations made by third party providers using account providers’ (ASPSPs)* Open Banking APIs.

Notes on the data: Successful payment initiations are based on data submitted by account providers (ASPSPs) to Open Banking for the last two years.  Since November 2022 there have been 9 Providers and 20 brands providing data.

Average API call response times

This chart shows the average response time for API calls made using account providers’ (ASPSPs)* Open Banking APIs.

Notes on the data: Average API call response times are based on data submitted by account providers (ASPSPs) to Open Banking for the last two years. Since November 2022 there have been 9 Providers and 20 brands providing data.

Open Banking User Connections

All User Connections

This chart shows the total and number of new user conections consuming Open Banking services each month

Notes on the data:

All user connections have consumed AIS and/or PIS services in the reporting period.  

Total user connections as reported includes the volume of new user connections.

Open Banking are unable to identify individuals consuming services through more than one brand.  Reporting therefore represents the number of user connections with the brands providing reporting, rather than individual users.

New user connections have consumed AIS and/or PIS services for the first time during the reporting period.  User connections consuming both services for the first time in different reporting periods, will be reported as a new user connection in each period in the ‘All User connections’ chart

Since November 2022 there have been 9 Providers and 20 brands providing data.

One ASPSP is unable to provide Total User Connections volumes de-duplicated across versions; therefore, only v4 User Connections are included for this ASPSP from April 2026.

One ASPSP is unable to identify whether v4 User Connections previously used other versions. Therefore, for this ASPSP, New User Connection volumes include all User Connections using v4 for the first time, regardless of prior usage of other versions, from April 2026.

AIS User Connections

This chart shows the total and number of new user connections consuming Open Banking services each month

Notes on the data: 

All user connections have consumed AIS and/or PIS services in the reporting period.  

Total user connections as reported includes the volume of new user connections.

Open Banking are unable to identify individuals consuming services through more than one brand.  Reporting therefore represents the number of user connections with the brands providing reporting, rather than individual users.

New user connections have consumed AIS and/or PIS services for the first time during the reporting period. User connections consuming both services for the first time in different reporting periods, will be reported as a new user connections in each period in the ‘All User Connections’ chart

One ASPSP is unable to provide Total User Connections volumes de-duplicated across versions; therefore, only v4 User Connections are included for this ASPSP from April 2026.

One ASPSP is unable to identify whether v4 User Connections previously used other versions. Therefore, for this ASPSP, New User Connection volumes include all User Connections using v4 for the first time, regardless of prior usage of other versions, from April 2026.

PIS User Connections

This chart shows the total and number of PIS user connections consuming Open Banking services each month

Notes on the data: 

All user connections have consumed AIS and/or PIS services in the reporting period.  

Total user connections as reported includes the volume of new user connections.

Open Banking are unable to identify individuals consuming services through more than one brand.  Reporting therefore represents the number of user connections with the brands providing reporting, rather than individual users.

New user connections have consumed AIS and/or PIS services for the first time during the reporting period.  User connections consuming both services for the first time in different reporting periods, will be reported as a new user in each period in the ‘All User Connections’ chart

One ASPSP is unable to provide Total User Connections volumes de-duplicated across versions; therefore, only v4 User Connections are included for this ASPSP from April 2026.

One ASPSP is unable to identify whether v4 User Connections previously used other versions. Therefore, for this ASPSP, New User Connection volumes include all User Connections using v4 for the first time, regardless of prior usage of other versions, from April 2026.

May key performance metrics

99.54%

Average API Availability

399ms

Average API Response Time

99.61%

Successful API Calls (%)

99.98%

Average API availability – weighted

2686.0m

Successful API Calls Actual

0.39%

Failed API Calls

May 2026

Average API availability – unweighted

This chart shows the unweighted average availability of the account providers’ (ASPSPs)* Open Banking APIs in May.

Average API availability

99.54%

Core hours (06:00-00:00)

99.72%

Non core hours (00:00-06:00)

98.93%

Notes on the data: Unweighted API availability is based on data submitted by account providers (ASPSPs) to Open Banking. Core and non-core hours are based on planned and unplanned API downtime reported to / recorded by Open Banking.

Unweighted availability is calculated using the endpoint with the highest downtime for each bank, each day, regardless of the number of API calls each endpoint received.

May 2026

Average API availability by brand – unweighted

This chart shows the unweighted average availability of the account providers’ (ASPSPs)* Open Banking APIs in May.

Notes on the data: Unweighted API availability is based on data submitted by account providers (ASPSPs) to Open Banking. Core and non-core hours are based on planned and unplanned API downtime reported to / recorded by Open Banking.

Unweighted availability is calculated using the endpoint with the highest downtime for each bank, each day, regardless of the number of API calls each endpoint received.

May 2026

Core hours by brand (06:00 – 0:00) – unweighted

This chart shows the unweighted average availability of the account providers’ (ASPSPs)* Open Banking APIs in May.

Notes on the data: Unweighted API availability is based on data submitted by account providers (ASPSPs) to Open Banking. Core and non-core hours are based on planned and unplanned API downtime reported to / recorded by Open Banking.

Unweighted availability is calculated using the endpoint with the highest downtime for each bank, each day, regardless of the number of API calls each endpoint received.

May 2026

Non core hours by brand (00:00 – 6:00) – unweighted

This chart shows the unweighted average availability of the account providers’ (ASPSPs)* Open Banking APIs in May.

Notes on the data: Unweighted API availability is based on data submitted by account providers (ASPSPs) to Open Banking. Core and non-core hours are based on planned and unplanned API downtime reported to / recorded by Open Banking.

Unweighted availability is calculated using the endpoint with the highest downtime for each bank, each day, regardless of the number of API calls each endpoint received.

May 2026

AIS availability by brand – unweighted

This chart shows the unweighted average availability of the account providers’ (ASPSPs)* Open Banking APIs in May.

Notes on the data: Unweighted API availability is based on data submitted by account providers (ASPSPs) to Open Banking. Core and non-core hours are based on planned and unplanned API downtime reported to / recorded by Open Banking.

Unweighted availability is calculated using the endpoint with the highest downtime for each bank, each day, regardless of the number of API calls each endpoint received.

May 2026

PIS availability by brand – unweighted

This chart shows the unweighted average availability of the account providers’ (ASPSPs)* Open Banking APIs in May.

Notes on the data: Unweighted API availability is based on data submitted by account providers (ASPSPs) to Open Banking. Core and non-core hours are based on planned and unplanned API downtime reported to / recorded by Open Banking.

Unweighted availability is calculated using the endpoint with the highest downtime for each bank, each day, regardless of the number of API calls each endpoint received.

May 2026

API availability by category – unweighted

Select an account provider

AIB (NI) Availability by Endpoint Category:

May 2026
Account Requests – AIS

100.00%

Accounts

100.00%

Balances

100.00%

Beneficiaries

100.00%

Direct Debits

100.00%

Payments – AIS

100.00%

Payments – CoF

100.00%

Payments – PIS

100.00%

Payments – VRP

100.00%

Products

100.00%

Standing Orders – AIS

100.00%

Standing Orders – PIS

100.00%

Transactions

100.00%

AIB Group (UK) p.l.c. Availability by Endpoint Category:

May 2026
Account Requests – AIS

100.00%

Accounts

100.00%

Balances

100.00%

Payments – AIS

100.00%

Payments – CoF

100.00%

Payments – PIS

100.00%

Payments – VRP

100.00%

Products

100.00%

Standing Orders – AIS

100.00%

Standing Orders – PIS

100.00%

Transactions

100.00%

Bank of Ireland UK Availability by Endpoint Category:

May 2026
Account Requests – AIS

96.90%

Account Requests – COF

96.90%

Accounts

96.90%

Balances

96.90%

Beneficiaries

97.41%

Payments – AIS

97.14%

Payments – CoF

96.90%

Payments – PIS

96.60%

Payments – VRP

96.90%

Products

96.90%

Standing Orders – AIS

98.79%

Standing Orders – PIS

96.60%

Statements

98.09%

Transactions

96.90%

Bank of Scotland Availability by Endpoint Category:

May 2026
Account Requests – AIS

100.00%

Account Requests – COF

100.00%

Accounts

100.00%

Balances

100.00%

Beneficiaries

100.00%

Direct Debits

100.00%

Payments – AIS

100.00%

Payments – CoF

100.00%

Payments – PIS

100.00%

Payments – VRP

100.00%

Products

100.00%

Standing Orders – AIS

100.00%

Standing Orders – PIS

100.00%

Statements

100.00%

Transactions

100.00%

Barclays Availability by Endpoint Category:

May 2026
Account Requests – AIS

99.98%

Account Requests – COF

99.98%

Accounts

99.98%

Balances

99.98%

Beneficiaries

99.98%

Direct Debits

99.98%

Payments – AIS

99.98%

Payments – CoF

99.98%

Payments – PIS

99.98%

Payments – VRP

99.98%

Products

99.98%

Standing Orders – AIS

99.98%

Standing Orders – PIS

99.98%

Statements

99.98%

Transactions

99.98%

Coutts Availability by Endpoint Category:

May 2026
Account Requests – AIS

95.00%

Account Requests – COF

98.90%

Accounts

95.00%

Balances

95.00%

Beneficiaries

95.00%

Direct Debits

99.71%

Payments – AIS

99.71%

Payments – CoF

96.15%

Payments – PIS

95.00%

Payments – VRP

99.87%

Products

95.00%

Standing Orders – AIS

95.00%

Standing Orders – PIS

95.00%

Transactions

95.00%

Danske Bank Availability by Endpoint Category:

May 2026
Account Requests – AIS

99.98%

Account Requests – COF

100.00%

Accounts

99.97%

Balances

99.98%

Beneficiaries

100.00%

Direct Debits

100.00%

Payments – AIS

100.00%

Payments – CoF

100.00%

Payments – PIS

100.00%

Payments – VRP

100.00%

Products

100.00%

Standing Orders – AIS

100.00%

Standing Orders – PIS

100.00%

Transactions

99.97%

First Direct Availability by Endpoint Category:

May 2026
Account Requests – AIS

100.00%

Account Requests – COF

100.00%

Accounts

100.00%

Balances

100.00%

Beneficiaries

100.00%

Direct Debits

100.00%

Payments – AIS

100.00%

Payments – CoF

100.00%

Payments – PIS

100.00%

Payments – VRP

100.00%

Products

100.00%

Standing Orders – AIS

100.00%

Standing Orders – PIS

100.00%

Statements

100.00%

Transactions

100.00%

Halifax Availability by Endpoint Category:

May 2026
Account Requests – AIS

100.00%

Account Requests – COF

100.00%

Accounts

100.00%

Balances

99.99%

Beneficiaries

100.00%

Direct Debits

100.00%

Payments – AIS

100.00%

Payments – CoF

100.00%

Payments – PIS

99.99%

Payments – VRP

100.00%

Products

100.00%

Standing Orders – AIS

100.00%

Standing Orders – PIS

100.00%

Statements

100.00%

Transactions

100.00%

HSBC Business Availability by Endpoint Category:

May 2026
Account Requests – AIS

100.00%

Account Requests – COF

100.00%

Accounts

100.00%

Balances

100.00%

Beneficiaries

100.00%

Direct Debits

100.00%

Payments – AIS

100.00%

Payments – CoF

100.00%

Payments – PIS

100.00%

Payments – VRP

100.00%

Products

100.00%

Standing Orders – AIS

100.00%

Standing Orders – PIS

100.00%

Statements

100.00%

Transactions

100.00%

HSBC Kinetic Availability by Endpoint Category:

May 2026
Account Requests – AIS

100.00%

Account Requests – COF

100.00%

Accounts

99.86%

Balances

100.00%

Beneficiaries

100.00%

Direct Debits

100.00%

Payments – AIS

100.00%

Payments – CoF

100.00%

Payments – PIS

100.00%

Payments – VRP

100.00%

Products

100.00%

Standing Orders – AIS

100.00%

Standing Orders – PIS

100.00%

Statements

100.00%

Transactions

100.00%

HSBC Personal Availability by Endpoint Category:

May 2026
Account Requests – AIS

100.00%

Account Requests – COF

100.00%

Accounts

100.00%

Balances

100.00%

Beneficiaries

100.00%

Direct Debits

100.00%

Payments – AIS

100.00%

Payments – CoF

100.00%

Payments – PIS

100.00%

Payments – VRP

100.00%

Products

100.00%

Standing Orders – AIS

100.00%

Standing Orders – PIS

100.00%

Statements

100.00%

Transactions

100.00%

Lloyds Availability by Endpoint Category:

May 2026
Account Requests – AIS

100.00%

Account Requests – COF

100.00%

Accounts

100.00%

Balances

99.99%

Beneficiaries

100.00%

Direct Debits

100.00%

Payments – AIS

100.00%

Payments – CoF

100.00%

Payments – PIS

100.00%

Payments – VRP

100.00%

Products

100.00%

Standing Orders – AIS

100.00%

Standing Orders – PIS

100.00%

Statements

100.00%

Transactions

100.00%

MBNA Availability by Endpoint Category:

May 2026
Account Requests – AIS

100.00%

Account Requests – COF

100.00%

Accounts

100.00%

Balances

99.74%

Beneficiaries

100.00%

Direct Debits

100.00%

Payments – AIS

100.00%

Payments – CoF

100.00%

Payments – PIS

100.00%

Payments – VRP

100.00%

Products

100.00%

Standing Orders – AIS

100.00%

Standing Orders – PIS

100.00%

Statements

100.00%

Transactions

100.00%

Mettle Availability by Endpoint Category:

May 2026
Account Requests – AIS

100.00%

Accounts

99.96%

Balances

100.00%

Beneficiaries

100.00%

Direct Debits

100.00%

Payments – AIS

100.00%

Payments – PIS

100.00%

Payments – VRP

100.00%

Products

100.00%

Standing Orders – AIS

100.00%

Statements

100.00%

Transactions

100.00%

Nationwide Building Society Availability by Endpoint Category:

May 2026
Account Requests – AIS

100.00%

Account Requests – COF

100.00%

Accounts

100.00%

Balances

100.00%

Beneficiaries

100.00%

Direct Debits

99.80%

Payments – AIS

100.00%

Payments – CoF

99.99%

Payments – PIS

100.00%

Payments – VRP

100.00%

Products

100.00%

Standing Orders – AIS

100.00%

Standing Orders – PIS

100.00%

Statements

100.00%

Transactions

100.00%

NWB Availability by Endpoint Category:

May 2026
Account Requests – AIS

99.95%

Account Requests – COF

100.00%

Accounts

99.95%

Balances

99.95%

Beneficiaries

99.95%

Direct Debits

99.95%

Payments – AIS

99.95%

Payments – CoF

99.86%

Payments – PIS

99.86%

Payments – VRP

99.86%

Products

99.95%

Standing Orders – AIS

99.95%

Standing Orders – PIS

99.86%

Statements

99.96%

Transactions

99.95%

RBS Availability by Endpoint Category:

May 2026
Account Requests – AIS

99.92%

Account Requests – COF

100.00%

Accounts

99.92%

Balances

99.92%

Beneficiaries

99.92%

Direct Debits

99.92%

Payments – AIS

99.94%

Payments – CoF

99.84%

Payments – PIS

99.84%

Payments – VRP

99.84%

Products

99.92%

Standing Orders – AIS

99.92%

Standing Orders – PIS

99.84%

Statements

99.96%

Transactions

99.92%

Santander UK plc Availability by Endpoint Category:

May 2026
Account Requests – AIS

100.00%

Account Requests – COF

100.00%

Accounts

100.00%

Balances

100.00%

Beneficiaries

100.00%

Direct Debits

100.00%

Payments – CoF

100.00%

Payments – PIS

100.00%

Payments – VRP

100.00%

Products

100.00%

Standing Orders – AIS

100.00%

Standing Orders – PIS

100.00%

Statements

100.00%

Transactions

100.00%

UBN Availability by Endpoint Category:

May 2026
Account Requests – AIS

99.90%

Account Requests – COF

100.00%

Accounts

99.90%

Balances

99.90%

Beneficiaries

99.90%

Direct Debits

99.90%

Payments – AIS

99.99%

Payments – CoF

99.81%

Payments – PIS

99.81%

Payments – VRP

99.81%

Products

99.90%

Standing Orders – AIS

99.90%

Standing Orders – PIS

99.81%

Statements

100.00%

Transactions

99.90%

May 2026

Average API availability – weighted

This chart shows the weighted average availability of the account providers’ (ASPSPs)* Open Banking APIs in May.

Average weighted API availability

99.98 %

Core hours (06:00-00:00)

99.98 %

Non core hours (00:00-06:00)

99.98 %
May 2026

Average API availability by brand – weighted

This chart shows the weighted average availability of the account providers’ (ASPSPs)* Open Banking APIs in May.

May 2026

Core hours by brand (06:00 – 0:00) – weighted

This chart shows the weighted average availability of the account providers’ (ASPSPs)* Open Banking APIs in May.

May 2026

Non core hours by brand (00:00 – 6:00) – weighted

This chart shows the weighted average availability of the account providers’ (ASPSPs)* Open Banking APIs in May.

May 2026

AIS availability by brand – weighted

This chart shows the weighted average availability of the account providers’ (ASPSPs)* Open Banking APIs in May.

May 2026

PIS availability by brand – weighted

This chart shows the weighted average availability of the account providers’ (ASPSPs)* Open Banking APIs in May.

May 2026

API availability by category – weighted

Select an account provider

AIB (NI) Availability by Endpoint Category:

May 2026
Account Requests – AIS

100.00%

Accounts

100.00%

Balances

100.00%

Beneficiaries

100.00%

Direct Debits

100.00%

Payments – AIS

100.00%

Payments – CoF

100.00%

Payments – PIS

100.00%

Payments – VRP

100.00%

Products

100.00%

Standing Orders – AIS

100.00%

Standing Orders – PIS

100.00%

Transactions

100.00%

AIB Group (UK) p.l.c. Availability by Endpoint Category:

May 2026
Account Requests – AIS

100.00%

Accounts

100.00%

Balances

100.00%

Payments – AIS

100.00%

Payments – CoF

100.00%

Payments – PIS

100.00%

Payments – VRP

100.00%

Products

100.00%

Standing Orders – AIS

100.00%

Standing Orders – PIS

100.00%

Transactions

100.00%

Bank of Ireland UK Availability by Endpoint Category:

May 2026
Account Requests – AIS

98.63%

Account Requests – COF

79.00%

Accounts

98.72%

Balances

98.71%

Beneficiaries

80.26%

Payments – AIS

93.35%

Payments – CoF

98.76%

Payments – PIS

98.40%

Payments – VRP

97.28%

Products

98.37%

Standing Orders – AIS

98.52%

Standing Orders – PIS

98.51%

Statements

92.29%

Transactions

98.64%

Bank of Scotland Availability by Endpoint Category:

May 2026
Account Requests – AIS

100.00%

Account Requests – COF

100.00%

Accounts

100.00%

Balances

100.00%

Beneficiaries

100.00%

Direct Debits

100.00%

Payments – AIS

100.00%

Payments – CoF

100.00%

Payments – PIS

100.00%

Payments – VRP

100.00%

Products

100.00%

Standing Orders – AIS

100.00%

Standing Orders – PIS

100.00%

Statements

100.00%

Transactions

100.00%

Barclays Availability by Endpoint Category:

May 2026
Account Requests – AIS

99.97%

Account Requests – COF

99.96%

Accounts

99.97%

Balances

99.97%

Beneficiaries

99.97%

Direct Debits

99.98%

Payments – AIS

99.96%

Payments – CoF

99.97%

Payments – PIS

99.96%

Payments – VRP

99.96%

Products

99.97%

Standing Orders – AIS

99.97%

Standing Orders – PIS

99.96%

Statements

99.97%

Transactions

99.97%

Coutts Availability by Endpoint Category:

May 2026
Account Requests – AIS

95.49%

Account Requests – COF

96.63%

Accounts

95.90%

Balances

96.03%

Beneficiaries

96.74%

Direct Debits

99.61%

Payments – AIS

99.61%

Payments – CoF

99.10%

Payments – PIS

95.52%

Payments – VRP

94.44%

Products

96.47%

Standing Orders – AIS

96.46%

Standing Orders – PIS

75.53%

Transactions

96.20%

Danske Bank Availability by Endpoint Category:

May 2026
Account Requests – AIS

99.98%

Account Requests – COF

100.00%

Accounts

99.97%

Balances

99.98%

Beneficiaries

100.00%

Direct Debits

100.00%

Payments – AIS

100.00%

Payments – CoF

100.00%

Payments – PIS

100.00%

Payments – VRP

100.00%

Products

100.00%

Standing Orders – AIS

100.00%

Standing Orders – PIS

100.00%

Transactions

99.97%

First Direct Availability by Endpoint Category:

May 2026
Account Requests – AIS

100.00%

Account Requests – COF

100.00%

Accounts

100.00%

Balances

100.00%

Beneficiaries

100.00%

Direct Debits

100.00%

Payments – AIS

100.00%

Payments – CoF

100.00%

Payments – PIS

100.00%

Payments – VRP

100.00%

Products

100.00%

Standing Orders – AIS

100.00%

Standing Orders – PIS

100.00%

Statements

100.00%

Transactions

100.00%

Halifax Availability by Endpoint Category:

May 2026
Account Requests – AIS

100.00%

Account Requests – COF

100.00%

Accounts

100.00%

Balances

100.00%

Beneficiaries

100.00%

Direct Debits

100.00%

Payments – AIS

100.00%

Payments – CoF

100.00%

Payments – PIS

100.00%

Payments – VRP

100.00%

Products

100.00%

Standing Orders – AIS

100.00%

Standing Orders – PIS

100.00%

Statements

100.00%

Transactions

100.00%

HSBC Business Availability by Endpoint Category:

May 2026
Account Requests – AIS

100.00%

Account Requests – COF

100.00%

Accounts

100.00%

Balances

100.00%

Beneficiaries

100.00%

Direct Debits

100.00%

Payments – AIS

100.00%

Payments – CoF

100.00%

Payments – PIS

100.00%

Payments – VRP

100.00%

Products

100.00%

Standing Orders – AIS

100.00%

Standing Orders – PIS

100.00%

Statements

100.00%

Transactions

100.00%

HSBC Kinetic Availability by Endpoint Category:

May 2026
Account Requests – AIS

100.00%

Account Requests – COF

100.00%

Accounts

99.86%

Balances

100.00%

Beneficiaries

100.00%

Direct Debits

100.00%

Payments – AIS

100.00%

Payments – CoF

100.00%

Payments – PIS

100.00%

Payments – VRP

100.00%

Products

100.00%

Standing Orders – AIS

100.00%

Standing Orders – PIS

100.00%

Statements

100.00%

Transactions

100.00%

HSBC Personal Availability by Endpoint Category:

May 2026
Account Requests – AIS

100.00%

Account Requests – COF

100.00%

Accounts

100.00%

Balances

100.00%

Beneficiaries

100.00%

Direct Debits

100.00%

Payments – AIS

100.00%

Payments – CoF

100.00%

Payments – PIS

100.00%

Payments – VRP

100.00%

Products

100.00%

Standing Orders – AIS

100.00%

Standing Orders – PIS

100.00%

Statements

100.00%

Transactions

100.00%

Lloyds Availability by Endpoint Category:

May 2026
Account Requests – AIS

100.00%

Account Requests – COF

100.00%

Accounts

100.00%

Balances

100.00%

Beneficiaries

100.00%

Direct Debits

100.00%

Payments – AIS

100.00%

Payments – CoF

100.00%

Payments – PIS

100.00%

Payments – VRP

100.00%

Products

100.00%

Standing Orders – AIS

100.00%

Standing Orders – PIS

100.00%

Statements

100.00%

Transactions

100.00%

MBNA Availability by Endpoint Category:

May 2026
Account Requests – AIS

100.00%

Accounts

100.00%

Balances

99.93%

Beneficiaries

100.00%

Direct Debits

100.00%

Payments – PIS

100.00%

Products

100.00%

Standing Orders – AIS

100.00%

Statements

100.00%

Transactions

100.00%

Mettle Availability by Endpoint Category:

May 2026
Account Requests – AIS

100.00%

Accounts

99.96%

Balances

100.00%

Beneficiaries

100.00%

Direct Debits

100.00%

Payments – AIS

100.00%

Payments – PIS

100.00%

Payments – VRP

100.00%

Products

100.00%

Standing Orders – AIS

100.00%

Statements

100.00%

Transactions

100.00%

Nationwide Building Society Availability by Endpoint Category:

May 2026
Account Requests – AIS

100.00%

Account Requests – COF

100.00%

Accounts

100.00%

Balances

100.00%

Beneficiaries

100.00%

Direct Debits

99.99%

Payments – AIS

100.00%

Payments – CoF

99.99%

Payments – PIS

100.00%

Payments – VRP

100.00%

Products

100.00%

Standing Orders – AIS

100.00%

Standing Orders – PIS

100.00%

Statements

100.00%

Transactions

100.00%

NWB Availability by Endpoint Category:

May 2026
Account Requests – AIS

99.95%

Account Requests – COF

100.00%

Accounts

99.95%

Balances

99.95%

Beneficiaries

99.95%

Direct Debits

99.95%

Payments – AIS

99.96%

Payments – CoF

99.95%

Payments – PIS

99.95%

Payments – VRP

99.95%

Products

99.94%

Standing Orders – AIS

99.95%

Standing Orders – PIS

99.94%

Statements

99.97%

Transactions

99.95%

RBS Availability by Endpoint Category:

May 2026
Account Requests – AIS

99.93%

Account Requests – COF

100.00%

Accounts

99.93%

Balances

99.93%

Beneficiaries

99.93%

Direct Debits

99.93%

Payments – AIS

99.83%

Payments – CoF

99.94%

Payments – PIS

99.93%

Payments – VRP

99.94%

Products

99.91%

Standing Orders – AIS

99.93%

Standing Orders – PIS

99.91%

Statements

99.95%

Transactions

99.93%

Santander UK plc Availability by Endpoint Category:

May 2026
Account Requests – AIS

100.00%

Account Requests – COF

100.00%

Accounts

100.00%

Balances

100.00%

Beneficiaries

100.00%

Direct Debits

100.00%

Payments – CoF

100.00%

Payments – PIS

100.00%

Payments – VRP

100.00%

Products

100.00%

Standing Orders – AIS

100.00%

Standing Orders – PIS

100.00%

Statements

100.00%

Transactions

100.00%

UBN Availability by Endpoint Category:

May 2026
Account Requests – AIS

99.91%

Account Requests – COF

100.00%

Accounts

99.91%

Balances

99.91%

Beneficiaries

99.91%

Direct Debits

99.93%

Payments – AIS

99.91%

Payments – CoF

99.92%

Payments – PIS

99.91%

Payments – VRP

99.92%

Products

99.88%

Standing Orders – AIS

99.92%

Standing Orders – PIS

99.87%

Statements

100.00%

Transactions

99.91%

May 2026

Average API response times

This chart shows the speed of the account providers’ (ASPSPs)* Open Banking APIs in May.

Average API Response Time

399 milliseconds
May 2026

Average API response times by brand

This chart shows the speed of the account providers’ (ASPSPs)* Open Banking APIs in May.

May 2026

Response times by brand

Select an account provider

AIB (NI) Response times (milliseconds):

May 2026
Account Requests – AIS

189ms

Accounts

142ms

Balances

114ms

Beneficiaries

1,640ms

Direct Debits

1,412ms

Payments – AIS

88ms

Payments – CoF

177ms

Payments – PIS

168ms

Payments – VRP

562ms

Products

361ms

Standing Orders – AIS

153ms

Standing Orders – PIS

154ms

Transactions

126ms

AIB Group (UK) p.l.c. Response times (milliseconds):

May 2026
Account Requests – AIS

112ms

Accounts

58ms

Balances

38ms

Payments – AIS

12ms

Payments – CoF

139ms

Payments – PIS

67ms

Payments – VRP

243ms

Products

194ms

Standing Orders – AIS

61ms

Standing Orders – PIS

88ms

Transactions

47ms

Bank of Ireland UK Response times (milliseconds):

May 2026
Account Requests – AIS

170ms

Account Requests – COF

979ms

Accounts

286ms

Balances

292ms

Beneficiaries

3,630ms

Payments – AIS

829ms

Payments – CoF

488ms

Payments – PIS

904ms

Payments – VRP

863ms

Products

510ms

Standing Orders – AIS

1,204ms

Standing Orders – PIS

442ms

Statements

969ms

Transactions

315ms

Bank of Scotland Response times (milliseconds):

May 2026
Account Requests – AIS

196ms

Account Requests – COF

249ms

Accounts

128ms

Balances

142ms

Beneficiaries

236ms

Direct Debits

213ms

Payments – AIS

256ms

Payments – CoF

212ms

Payments – PIS

375ms

Payments – VRP

350ms

Products

414ms

Standing Orders – AIS

190ms

Standing Orders – PIS

405ms

Statements

371ms

Transactions

228ms

Barclays Response times (milliseconds):

May 2026
Account Requests – AIS

235ms

Account Requests – COF

462ms

Accounts

500ms

Balances

551ms

Beneficiaries

520ms

Direct Debits

635ms

Payments – AIS

488ms

Payments – CoF

524ms

Payments – PIS

452ms

Payments – VRP

483ms

Products

1,368ms

Standing Orders – AIS

639ms

Standing Orders – PIS

421ms

Statements

192ms

Transactions

684ms

Coutts Response times (milliseconds):

May 2026
Account Requests – AIS

2,600ms

Account Requests – COF

1,701ms

Accounts

1,636ms

Balances

1,634ms

Beneficiaries

2,517ms

Direct Debits

1,727ms

Payments – AIS

3,632ms

Payments – CoF

1,737ms

Payments – PIS

2,148ms

Payments – VRP

2,386ms

Products

1,685ms

Standing Orders – AIS

1,614ms

Standing Orders – PIS

2,822ms

Transactions

1,728ms

Danske Bank Response times (milliseconds):

May 2026
Account Requests – AIS

90ms

Accounts

650ms

Balances

243ms

Beneficiaries

237ms

Direct Debits

427ms

Payments – AIS

177ms

Payments – CoF

163ms

Payments – PIS

173ms

Payments – VRP

272ms

Products

172ms

Standing Orders – AIS

303ms

Standing Orders – PIS

147ms

Transactions

740ms

First Direct Response times (milliseconds):

May 2026
Account Requests – AIS

141ms

Account Requests – COF

314ms

Accounts

329ms

Balances

338ms

Beneficiaries

569ms

Direct Debits

511ms

Payments – AIS

752ms

Payments – CoF

433ms

Payments – PIS

275ms

Payments – VRP

346ms

Products

586ms

Standing Orders – AIS

502ms

Standing Orders – PIS

303ms

Statements

71ms

Transactions

498ms

Halifax Response times (milliseconds):

May 2026
Account Requests – AIS

205ms

Account Requests – COF

233ms

Accounts

128ms

Balances

143ms

Beneficiaries

231ms

Direct Debits

212ms

Payments – AIS

208ms

Payments – CoF

211ms

Payments – PIS

399ms

Payments – VRP

346ms

Products

413ms

Standing Orders – AIS

191ms

Standing Orders – PIS

473ms

Statements

356ms

Transactions

247ms

HSBC Business Response times (milliseconds):

May 2026
Account Requests – AIS

190ms

Account Requests – COF

301ms

Accounts

315ms

Balances

301ms

Beneficiaries

253ms

Direct Debits

583ms

Payments – AIS

126ms

Payments – CoF

532ms

Payments – PIS

591ms

Payments – VRP

483ms

Products

692ms

Standing Orders – AIS

136ms

Standing Orders – PIS

452ms

Statements

7,826ms

Transactions

405ms

HSBC Kinetic Response times (milliseconds):

May 2026
Account Requests – AIS

155ms

Account Requests – COF

292ms

Accounts

403ms

Balances

399ms

Beneficiaries

853ms

Direct Debits

1,296ms

Payments – AIS

1,363ms

Payments – CoF

618ms

Payments – PIS

337ms

Payments – VRP

441ms

Products

1,149ms

Standing Orders – AIS

1,297ms

Standing Orders – PIS

248ms

Statements

4,079ms

Transactions

438ms

HSBC Personal Response times (milliseconds):

May 2026
Account Requests – AIS

154ms

Account Requests – COF

283ms

Accounts

307ms

Balances

330ms

Beneficiaries

516ms

Direct Debits

503ms

Payments – AIS

798ms

Payments – CoF

421ms

Payments – PIS

270ms

Payments – VRP

336ms

Products

567ms

Standing Orders – AIS

568ms

Standing Orders – PIS

292ms

Statements

927ms

Transactions

501ms

Lloyds Response times (milliseconds):

May 2026
Account Requests – AIS

207ms

Account Requests – COF

233ms

Accounts

128ms

Balances

141ms

Beneficiaries

231ms

Direct Debits

211ms

Payments – AIS

224ms

Payments – CoF

209ms

Payments – PIS

386ms

Payments – VRP

347ms

Products

411ms

Standing Orders – AIS

190ms

Standing Orders – PIS

465ms

Statements

347ms

Transactions

229ms

MBNA Response times (milliseconds):

May 2026
Account Requests – AIS

210ms

Accounts

128ms

Balances

238ms

Beneficiaries

235ms

Direct Debits

150ms

Payments – PIS

219ms

Products

147ms

Standing Orders – AIS

160ms

Statements

303ms

Transactions

450ms

Mettle Response times (milliseconds):

May 2026
Account Requests – AIS

87ms

Accounts

110ms

Balances

85ms

Beneficiaries

65ms

Direct Debits

129ms

Payments – AIS

57ms

Payments – PIS

196ms

Payments – VRP

201ms

Products

88ms

Standing Orders – AIS

59ms

Statements

816ms

Transactions

90ms

Nationwide Building Society Response times (milliseconds):

May 2026
Account Requests – AIS

163ms

Account Requests – COF

263ms

Accounts

249ms

Balances

213ms

Beneficiaries

369ms

Direct Debits

645ms

Payments – AIS

147ms

Payments – CoF

257ms

Payments – PIS

371ms

Payments – VRP

308ms

Products

251ms

Standing Orders – AIS

259ms

Standing Orders – PIS

378ms

Statements

441ms

Transactions

239ms

NWB Response times (milliseconds):

May 2026
Account Requests – AIS

157ms

Account Requests – COF

365ms

Accounts

454ms

Balances

446ms

Beneficiaries

775ms

Direct Debits

235ms

Payments – AIS

335ms

Payments – CoF

259ms

Payments – PIS

341ms

Payments – VRP

305ms

Products

320ms

Standing Orders – AIS

517ms

Standing Orders – PIS

305ms

Statements

185ms

Transactions

549ms

RBS Response times (milliseconds):

May 2026
Account Requests – AIS

165ms

Account Requests – COF

394ms

Accounts

432ms

Balances

439ms

Beneficiaries

797ms

Direct Debits

249ms

Payments – AIS

324ms

Payments – CoF

277ms

Payments – PIS

379ms

Payments – VRP

336ms

Products

287ms

Standing Orders – AIS

527ms

Standing Orders – PIS

301ms

Statements

210ms

Transactions

478ms

Santander UK plc Response times (milliseconds):

May 2026
Account Requests – AIS

53ms

Account Requests – COF

157ms

Accounts

144ms

Balances

109ms

Beneficiaries

204ms

Direct Debits

149ms

Payments – CoF

118ms

Payments – PIS

226ms

Payments – VRP

161ms

Products

241ms

Standing Orders – AIS

92ms

Standing Orders – PIS

231ms

Statements

15ms

Transactions

219ms

UBN Response times (milliseconds):

May 2026
Account Requests – AIS

170ms

Account Requests – COF

489ms

Accounts

422ms

Balances

398ms

Beneficiaries

827ms

Direct Debits

265ms

Payments – AIS

279ms

Payments – CoF

294ms

Payments – PIS

407ms

Payments – VRP

359ms

Products

301ms

Standing Orders – AIS

553ms

Standing Orders – PIS

340ms

Statements

304ms

Transactions

437ms

May 2026

Successful API calls

This chart shows the number of successful API calls made to account providers’ (ASPSPs)* Open Banking APIs in May.

Successful API calls

Total calls 2,685,988,494 % of overall total calls 99.61 %

AIS

Total calls 2,107,382,290 % of overall total calls 99.54 %

PIS

Total calls 165,071,662 % of overall total calls 99.78 %
May 2026

Successful API calls by brand

This chart shows the number of successful API calls made to account providers’ (ASPSPs)* Open Banking APIs in May.

May 2026

Successful AIS calls by brand

This chart shows the number of successful API calls made to account providers’ (ASPSPs)* Open Banking APIs in May.

May 2026

Successful PIS calls by brand

This chart shows the number of successful API calls made to account providers’ (ASPSPs)* Open Banking APIs in May.

May 2026

Successful payment initiation requests by brand

This chart shows the number of successful API calls made to account providers’ (ASPSPs)* Open Banking APIs in May.

May 2026

Failed API calls

This chart shows the number of failed API calls made to account providers’ (ASPSPs)* Open Banking APIs in May.

Failed API Calls

Total calls 10,606,218 % of overall total calls 0.39%

Business

Total calls 9,491,669 % of overall total calls 0.35%

Technical

Total calls 1,114,549 % of overall total calls 0.04%

Notes on the data: The data does not include abandoned authorisations.

Business failures include 4xx http codes – e.g. if a third-party provider data request is incorrect such as incorrect data, incorrect data format, incorrect sequence of calls.

May 2026

Failed API calls by brand

This chart shows the number of failed API calls made to account providers’ (ASPSPs)* Open Banking APIs in May.

Failed Technical calls

Failed Business calls

Notes on the data: The data does not include abandoned authorisations.

Business failures include 4xx http codes – e.g. if a third-party provider data request is incorrect such as incorrect data, incorrect data format, incorrect sequence of calls.

May 2026

Failed business calls by brand

This chart shows the number of failed API calls made to account providers’ (ASPSPs)* Open Banking APIs in May.

Failed business calls as % of total calls

Volume of failed business calls

Notes on the data: The data does not include abandoned authorisations.

Business failures include 4xx http codes – e.g. if a third-party provider data request is incorrect such as incorrect data, incorrect data format, incorrect sequence of calls.

May 2026

Failed technical calls by brand

This chart shows the number of failed API calls made to account providers’ (ASPSPs)* Open Banking APIs in May.

Failed technical calls as % of total calls

Volume of failed technical calls

Notes on the data: The data does not include abandoned authorisations.

Business failures include 4xx http codes – e.g. if a third-party provider data request is incorrect such as incorrect data, incorrect data format, incorrect sequence of calls.

May 2026

Rejected API calls

This chart shows the number of rejected API calls made to account providers’ (ASPSPs)* Open Banking APIs in May.

Rejected API Calls

Total calls 4,074,443 % of overall total calls 0.151%

HSBC are currently the only ASPSP including abandoned consent requests in rejected API call reporting and therefore show higher rejected call volumes than other ASPSPs.

May 2026

Rejected API calls by brand

This chart shows the number of rejected API calls made to account providers’ (ASPSPs)* Open Banking APIs in May.

HSBC are currently the only ASPSP including abandoned consent requests in rejected API call reporting and therefore show higher rejected call volumes than other ASPSPs.