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.
If you need help email us and we'll get back to you as soon as possible.
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Performance
We publish statistics every three months about how our Online and Open Banking services are performing.
1 January 2026 - 31 March 2026
| Date | AISP Uptime % | AISP Response (ms) | AISP Error Rate % | MAAD Uptime % | MAAD Response (ms) | MAAD Error Rate % | Mobile Uptime% | Mobile Response (ms) | Mobile Error Rate % |
|---|---|---|---|---|---|---|---|---|---|
| 01/01/2026 | 100.00% | 651 | 0% | 100.00% | 305 | 0.03% | 100.00% | 189 | 0.14% |
| 02/01/2026 | 100.00% | 564 | 0% | 100.00% | 289 | 0.02% | 100.00% | 212 | 0.20% |
| 03/01/2026 | 100.00% | 350 | 6.25% | 100.00% | 311 | 0.03% | 100.00% | 194 | 0.16% |
| 04/01/2026 | 100.00% | 705 | 0% | 100.00% | 268 | 0.03% | 100.00% | 193 | 0.16% |
| 05/01/2026 | 100.00% | 726 | 0% | 100.00% | 316 | 0.02% | 100.00% | 221 | 0.22% |
| 06/01/2026 | 100.00% | 829 | 0% | 100.00% | 296 | 0.03% | 100.00% | 217 | 0.20% |
| 07/01/2026 | 100.00% | 1135 | 0% | 100.00% | 291 | 0.02% | 100.00% | 213 | 0.19% |
| 08/01/2026 | 100.00% | 737 | 0% | 100.00% | 281 | 0.02% | 100.00% | 211 | 0.20% |
| 09/01/2026 | 100.00% | 639 | 0% | 100.00% | 282 | 0.02% | 100.00% | 213 | 0.19% |
| 10/01/2026 | 100.00% | 424 | 0% | 100.00% | 247 | 0.03% | 100.00% | 195 | 0.15% |
| 11/01/2026 | 100.00% | 967 | 0% | 100.00% | 253 | 0.02% | 100.00% | 192 | 0.16% |
| 12/01/2026 | 100.00% | 687 | 0% | 100.00% | 285 | 0.02% | 100.00% | 215 | 0.23% |
| 13/01/2026 | 100.00% | 584 | 0% | 100.00% | 258 | 0.03% | 100.00% | 209 | 0.22% |
| 14/01/2026 | 100.00% | 617 | 0% | 100.00% | 262 | 0.02% | 100.00% | 211 | 0.24% |
| 15/01/2026 | 100.00% | 606 | 0% | 100.00% | 269 | 0.01% | 100.00% | 218 | 0.27% |
| 16/01/2026 | 100.00% | 293 | 0% | 100.00% | 281 | 0.01% | 100.00% | 208 | 0.20% |
| 17/01/2026 | 100.00% | 411 | 0% | 100.00% | 243 | 0.02% | 100.00% | 192 | 0.15% |
| 18/01/2026 | 100.00% | 452 | 0% | 100.00% | 243 | 0.02% | 100.00% | 189 | 0.16% |
| 19/01/2026 | 100.00% | 808 | 0% | 100.00% | 272 | 0.02% | 100.00% | 204 | 0.24% |
| 20/01/2026 | 100.00% | 651 | 0% | 100.00% | 290 | 0.02% | 100.00% | 206 | 0.25% |
| 21/01/2026 | 100.00% | 628 | 0% | 100.00% | 272 | 0.03% | 100.00% | 206 | 0.24% |
| 22/01/2026 | 100.00% | 628 | 0% | 100.00% | 262 | 0.02% | 100.00% | 208 | 0.23% |
| 23/01/2026 | 100.00% | 885 | 0% | 100.00% | 264 | 0.03% | 100.00% | 210 | 0.25% |
| 24/01/2026 | 100.00% | 702 | 0% | 100.00% | 254 | 0.03% | 100.00% | 190 | 0.18% |
| 25/01/2026 | 100.00% | 952 | 0% | 100.00% | 270 | 0.03% | 100.00% | 188 | 0.19% |
| 26/01/2026 | 100.00% | 749 | 0% | 100.00% | 334 | 0.02% | 100.00% | 210 | 0.30% |
| 27/01/2026 | 100.00% | 588 | 0% | 100.00% | 261 | 0.02% | 100.00% | 209 | 0.27% |
| 28/01/2026 | 100.00% | 666 | 0% | 100.00% | 259 | 0.02% | 100.00% | 210 | 0.27% |
| 29/01/2026 | 100.00% | 468 | 0% | 100.00% | 252 | 0.02% | 100.00% | 214 | 0.32% |
| 30/01/2026 | 100.00% | 445 | 0% | 100.00% | 263 | 0.02% | 100.00% | 214 | 0.34% |
| 31/01/2026 | 100.00% | 516 | 0% | 100.00% | 265 | 0.02% | 100.00% | 192 | 0.20% |
| 01/02/2026 | 100.00% | 560 | 0% | 100.00% | 265 | 0.02% | 100.00% | 190 | 0.19% |
| 02/02/2026 | 100.00% | 729 | 0% | 100.00% | 297 | 0.02% | 100.00% | 216 | 0.33% |
| 03/02/2026 | 100.00% | 846 | 0% | 100.00% | 290 | 0.02% | 100.00% | 221 | 0.27% |
| 04/02/2026 | 100.00% | 1092 | 0% | 100.00% | 270 | 0.01% | 100.00% | 219 | 0.22% |
| 05/02/2026 | 100.00% | 689 | 0% | 100.00% | 239 | 0.02% | 100.00% | 215 | 0.27% |
| 06/02/2026 | 100.00% | 598 | 0% | 100.00% | 240 | 0.01% | 100.00% | 222 | 0.24% |
| 07/02/2026 | 100.00% | 713 | 0% | 100.00% | 241 | 0.03% | 100.00% | 208 | 0.16% |
| 08/02/2026 | 100.00% | 1004 | 0% | 100.00% | 237 | 0.04% | 100.00% | 195 | 0.16% |
| 09/02/2026 | 100.00% | 611 | 0% | 100.00% | 266 | 0.02% | 100.00% | 213 | 0.22% |
| 10/02/2026 | 100.00% | 1120 | 0% | 100.00% | 264 | 0.02% | 100.00% | 216 | 0.19% |
| 11/02/2026 | 100.00% | 1005 | 0% | 100.00% | 268 | 0.01% | 100.00% | 216 | 0.20% |
| 12/02/2026 | 100.00% | 571 | 0% | 100.00% | 259 | 0.01% | 100.00% | 210 | 0.19% |
| 13/02/2026 | 100.00% | 1204 | 0% | 100.00% | 266 | 0.01% | 100.00% | 210 | 0.19% |
| 14/02/2026 | 100.00% | 818 | 0% | 100.00% | 252 | 0.02% | 100.00% | 193 | 0.14% |
| 15/02/2026 | 100.00% | 952 | 0% | 100.00% | 256 | 0.02% | 100.00% | 193 | 0.14% |
| 16/02/2026 | 100.00% | 343 | 0% | 100.00% | 259 | 0.02% | 100.00% | 208 | 0.19% |
| 17/02/2026 | 100.00% | 562 | 0% | 100.00% | 248 | 0.03% | 100.00% | 213 | 0.23% |
| 18/02/2026 | 100.00% | 863 | 0% | 100.00% | 256 | 0.02% | 100.00% | 238 | 0.23% |
| 19/02/2026 | 100.00% | 411 | 0% | 100.00% | 217 | 0.01% | 100.00% | 207 | 0.20% |
| 20/02/2026 | 100.00% | 284 | 0% | 100.00% | 229 | 0.01% | 100.00% | 212 | 0.20% |
| 21/02/2026 | 100.00% | 499 | 0% | 100.00% | 215 | 0.03% | 100.00% | 198 | 0.14% |
| 22/02/2026 | 100.00% | 858 | 0% | 100.00% | 224 | 0.02% | 100.00% | 194 | 0.15% |
| 23/02/2026 | 100.00% | 652 | 0% | 100.00% | 231 | 0.02% | 100.00% | 213 | 0.22% |
| 24/02/2026 | 100.00% | 571 | 0% | 100.00% | 236 | 0.02% | 100.00% | 216 | 0.21% |
| 25/02/2026 | 100.00% | 642 | 0% | 100.00% | 226 | 0.02% | 100.00% | 213 | 0.20% |
| 26/02/2026 | 100.00% | 56 | 0% | 100.00% | 229 | 0.15% | 100.00% | 213 | 0.20% |
| 27/02/2026 | 100.00% | 862 | 0% | 100.00% | 248 | 0.06% | 100.00% | 219 | 0.24% |
| 28/02/2026 | 100.00% | 58 | 0% | 100.00% | 232 | 0.08% | 100.00% | 199 | 0.18% |
| 01/03/2026 | 100.00% | 55 | 0% | 100.00% | 230 | 0.07% | 100.00% | 192 | 0.22% |
| 02/03/2026 | 100.00% | 50 | 0% | 100.00% | 265 | 0.05% | 100.00% | 224 | 0.28% |
| 03/03/2026 | 100.00% | 140 | 0% | 100.00% | 256 | 0.06% | 100.00% | 215 | 0.24% |
| 04/03/2026 | 100.00% | 595 | 0% | 99.65% | 2257 | 0.18% | 99.72% | 216 | 0.98% |
| 05/03/2026 | 100.00% | 624 | 0% | 100.00% | 228 | 0.10% | 100.00% | 204 | 0.20% |
| 06/03/2026 | 100.00% | 67 | 0% | 100.00% | 842 | 0.03% | 100.00% | 207 | 0.69% |
| 07/03/2026 | 100.00% | 148 | 0% | 100.00% | 207 | 0.05% | 100.00% | 190 | 0.17% |
| 08/03/2026 | 100.00% | 218 | 0% | 100.00% | 220 | 0.06% | 100.00% | 188 | 0.20% |
| 09/03/2026 | 100.00% | 332 | 0% | 100.00% | 240 | 0.04% | 100.00% | 209 | 0.26% |
| 10/03/2026 | 100.00% | 258 | 0% | 100.00% | 229 | 0.05% | 100.00% | 207 | 0.22% |
| 11/03/2026 | 100.00% | 333 | 0% | 100.00% | 223 | 0.05% | 100.00% | 202 | 0.22% |
| 12/03/2026 | 100.00% | 74 | 0% | 100.00% | 219 | 0.08% | 100.00% | 199 | 0.27% |
| 13/03/2026 | 100.00% | 57 | 0% | 100.00% | 220 | 0.03% | 100.00% | 196 | 0.25% |
| 14/03/2026 | 100.00% | 64 | 0% | 100.00% | 206 | 0.06% | 100.00% | 179 | 0.18% |
| 15/03/2026 | 100.00% | 505 | 0% | 100.00% | 219 | 0.07% | 100.00% | 181 | 0.19% |
| 16/03/2026 | 100.00% | 567 | 0% | 100.00% | 227 | 0.04% | 100.00% | 199 | 0.27% |
| 17/03/2026 | 100.00% | 329 | 0% | 100.00% | 215 | 0.06% | 100.00% | 195 | 0.29% |
| 18/03/2026 | 100.00% | 347 | 0% | 100.00% | 215 | 0.05% | 100.00% | 196 | 0.25% |
| 19/03/2026 | 100.00% | 1583 | 12.50% | 79.24% | 751 | 1.96% | 79.24% | 191 | 4.73% |
| 20/03/2026 | 100.00% | 291 | 0% | 56.18% | 240 | 2.42% | 55.90% | 173 | 13.70% |
| 21/03/2026 | 100.00% | 36 | 0% | 100.00% | 195 | 0.07% | 100.00% | 171 | 0.18% |
| 22/03/2026 | 100.00% | 40 | 0% | 100.00% | 204 | 0.07% | 100.00% | 169 | 0.19% |
| 23/03/2026 | 100.00% | 524 | 0% | 100.00% | 229 | 0.04% | 100.00% | 206 | 0.31% |
| 24/03/2026 | 100.00% | 540 | 2.27% | 100.00% | 215 | 0.05% | 100.00% | 192 | 0.25% |
| 25/03/2026 | 100.00% | 583 | 0% | 100.00% | 218 | 0.03% | 100.00% | 196 | 0.24% |
| 26/03/2026 | 100.00% | 161 | 0% | 100.00% | 205 | 0.05% | 100.00% | 190 | 0.25% |
| 27/03/2026 | 100.00% | 57 | 0% | 100.00% | 221 | 0.04% | 100.00% | 193 | 0.24% |
| 28/03/2026 | 100.00% | 297 | 0% | 100.00% | 266 | 0.09% | 100.00% | 173 | 0.16% |
| 29/03/2026 | 100.00% | 402 | 0% | 100.00% | 204 | 0.08% | 100.00% | 170 | 0.17% |
| 30/03/2026 | 100.00% | 185 | 0% | 100.00% | 224 | 0.04% | 100.00% | 198 | 0.24% |
| 31/03/2026 | 100.00% | 153 | 0% | 100.00% | 226 | 0.07% | 100.00% | 201 | 0.26% |