Open Banking

API performance and documentation

Documentation

Currently we only offer open application programming interfaces (APIs) for the cash hub account of our Active Savings service. Find out more by reading our Active Savings FAQs.

HL API Summary Information

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Performance

We publish statistics every three months about how our Online and Open Banking services are performing.

1 April 2026 - 30 June 2026

DateAISP Uptime %AISP Response (ms)AISP Error Rate %MAAD Uptime %MAAD Response (ms)MAAD Error Rate %Mobile Uptime %Mobile Response (ms)API Error Rate %
01/04/2026100.00%6460.00%100.00%2650.06%100.00%2120.24%
02/04/2026100.00%360.00%100.00%2270.06%100.00%1990.23%
03/04/2026100.00%5770.00%100.00%2010.06%100.00%1780.16%
04/04/2026100.00%1730.00%100.00%2050.06%100.00%1710.14%
05/04/2026100.00%670.00%100.00%2060.08%100.00%1720.22%
06/04/2026100.00%5800.00%100.00%2270.06%100.00%1800.21%
07/04/2026100.00%00.00%100.00%2510.04%100.00%2070.24%
08/04/2026100.00%5300.00%100.00%2800.03%99.44%5680.43%
09/04/2026100.00%12830.00%100.00%2420.06%100.00%1990.26%
10/04/2026100.00%1690.00%100.00%2470.03%100.00%2010.22%
11/04/2026100.00%6190.00%100.00%2210.06%100.00%1800.15%
12/04/2026100.00%5110.00%100.00%2220.05%100.00%1760.16%
13/04/2026100.00%560.00%100.00%2420.05%100.00%1970.23%
14/04/2026100.00%1480.00%100.00%2340.04%100.00%2010.23%
15/04/2026100.00%5360.00%100.00%2330.03%100.00%1960.22%
16/04/2026100.00%1470.00%100.00%2360.05%100.00%2000.24%
17/04/2026100.00%4640.00%100.00%2440.03%100.00%2070.23%
18/04/2026100.00%7320.00%100.00%1720.04%100.00%1980.16%
19/04/2026100.00%1470.00%100.00%1680.03%100.00%1930.16%
20/04/2026100.00%13260.00%99.86%2450.02%99.86%2090.25%
21/04/2026100.00%3410.00%100.00%2460.03%100.00%2210.23%
22/04/2026100.00%7880.00%100.00%2650.04%100.00%2160.27%
23/04/2026100.00%1320.00%100.00%2450.04%100.00%2150.24%
24/04/2026100.00%1530.00%100.00%2570.02%100.00%2160.22%
25/04/2026100.00%7060.00%100.00%2450.12%100.00%1951.20%
26/04/2026100.00%7380.00%100.00%2490.05%100.00%1970.15%
27/04/2026100.00%6370.00%100.00%2510.04%100.00%2160.22%
28/04/2026100.00%4900.00%100.00%2530.04%100.00%2220.22%
29/04/2026100.00%00.00%100.00%2450.08%100.00%2180.23%
30/04/2026100.00%6170.00%100.00%2620.02%100.00%2190.28%
01/05/2026100.00%3660.00%100.00%2660.03%100.00%2230.22%
02/05/2026100.00%3900.00%100.00%2510.03%100.00%2050.14%
03/05/2026100.00%770.00%100.00%2720.03%100.00%1920.15%
04/05/2026100.00%4770.00%100.00%2470.03%100.00%2040.17%
05/05/2026100.00%840.00%100.00%2870.05%100.00%2280.24%
06/05/2026100.00%7620.00%100.00%3080.05%100.00%2380.22%
07/05/2026100.00%4330.00%100.00%3040.05%100.00%2370.29%
08/05/2026100.00%3440.00%100.00%3000.05%100.00%2390.20%
09/05/2026100.00%780.00%100.00%2750.13%100.00%2120.15%
10/05/2026100.00%12440.00%100.00%1800.03%100.00%1900.15%
11/05/2026100.00%540.00%100.00%2900.02%100.00%2370.22%
12/05/2026100.00%5690.00%100.00%2840.03%100.00%2260.22%
13/05/2026100.00%8140.00%100.00%2760.02%100.00%2270.23%
14/05/2026100.00%5290.00%100.00%8270.08%100.00%2290.22%
15/05/2026100.00%3060.00%100.00%2890.05%100.00%2370.22%
16/05/2026100.00%4980.00%100.00%2530.35%100.00%2120.14%
17/05/2026100.00%6130.00%100.00%2690.42%100.00%1960.14%
18/05/2026100.00%00.00%100.00%3330.08%100.00%2230.21%
19/05/2026100.00%10510.00%100.00%2970.04%100.00%2280.22%
20/05/2026100.00%00.00%100.00%2920.04%100.00%2540.23%
21/05/2026100.00%5870.00%100.00%3410.04%100.00%3250.32%
22/05/2026100.00%00.00%100.00%3680.04%100.00%3460.31%
23/05/2026100.00%00.00%100.00%1860.05%100.00%3830.14%
24/05/2026100.00%13570.00%100.00%2390.10%100.00%1840.14%
25/05/2026100.00%10060.00%100.00%4670.08%100.00%1960.15%
26/05/2026100.00%7110.00%100.00%2920.10%100.00%2430.21%
27/05/2026100.00%7150.00%100.00%2790.03%100.00%2360.20%
28/05/2026100.00%2800.00%100.00%2660.04%100.00%2260.23%
29/05/2026100.00%1380.00%99.72%3030.09%100.00%2450.22%
30/05/2026100.00%4470.00%98.75%14420.43%99.86%1922.86%
31/05/2026100.00%11370.00%100.00%2310.05%100.00%1900.14%
01/06/2026100.00%5990.00%100.00%3130.04%100.00%2480.23%
02/06/2026100.00%7800.00%100.00%2860.03%100.00%2481.30%
03/06/2026100.00%7770.00%100.00%2640.04%100.00%2351.29%
04/06/2026100.00%00.00%100.00%3600.06%100.00%2921.39%
05/06/2026100.00%9670.00%100.00%5940.15%100.00%3761.55%
06/06/2026100.00%4090.00%100.00%1720.06%100.00%3250.44%
07/06/2026100.00%980.00%100.00%2100.04%100.00%1820.61%
08/06/2026100.00%6390.00%100.00%2490.04%100.00%2301.26%
09/06/2026100.00%4670.00%100.00%2490.06%100.00%2291.07%
10/06/2026100.00%7090.00%100.00%2270.05%100.00%2290.56%
11/06/2026100.00%4710.00%100.00%2380.03%100.00%2280.58%
12/06/2026100.00%6160.00%100.00%2400.03%100.00%2520.64%
13/06/2026100.00%5910.00%100.00%2210.04%100.00%1980.37%
14/06/2026100.00%6370.00%100.00%2100.04%100.00%1880.32%
15/06/2026100.00%7100.00%100.00%2390.06%100.00%2400.63%
16/06/2026100.00%5170.00%100.00%2620.04%100.00%2270.58%
17/06/2026100.00%51123.53%100.00%2390.03%100.00%2180.59%
18/06/2026100.00%593100.00%100.00%2380.03%100.00%2140.64%
19/06/2026100.00%36836.36%100.00%2300.03%100.00%2050.54%
20/06/2026100.00%41050.00%100.00%2060.05%100.00%1720.30%
21/06/2026100.00%55250.00%100.00%2040.03%100.00%1640.27%
22/06/2026100.00%82575.00%100.00%2680.04%100.00%2140.59%
23/06/2026100.00%26666.67%100.00%2400.04%100.00%2100.58%
24/06/2026100.00%83966.67%100.00%3910.17%100.00%2250.60%
25/06/2026100.00%32766.67%100.00%2530.05%100.00%2370.22%
26/06/2026100.00%545100.00%100.00%2520.08%100.00%2090.19%
27/06/2026100.00%53650.00%100.00%2100.07%100.00%1690.12%
28/06/2026100.00%79566.67%100.00%2020.05%100.00%1630.13%
29/06/2026100.00%66550.00%100.00%2390.04%100.00%2080.20%
30/06/2026100.00%356100.00%100.00%2720.05%100.00%2150.19%

View previous Open Banking API performance data