generated: '2026-07-20'
method: searched
source: https://www.bankofapis.com/updates-and-releases
versioning:
  scheme: uri-path
  current: v3.1
  standard: OBIE UK Open Banking Read/Write API Standard
  spec_version: 3.1.11
  next: v4.0
  migration_note: >-
    Bank of APIs is rolling v4.0 endpoints across the NatWest Group brands (NatWest,
    Royal Bank of Scotland, Ulster Bank NI, NatWest International, RBS International)
    per Open Banking Limited's v4.0 implementation timeline; v3.1 remains available
    during the migration window.
  docs: https://www.bankofapis.com/updates-and-releases
deprecation:
  policy: >-
    Version and endpoint deprecations are announced on the Updates and Releases page
    and the APIs Status Page ahead of migration; the OBIE Read/Write standard governs
    version lifecycle across the CMA9.
  docs: https://www.bankofapis.com/updates-and-releases
sla:
  fca_service_metrics: https://www.bankofapis.com/products/natwest-group-open-banking/fca-service-metrics
  performance_metrics: https://www.bankofapis.com/performance/openbanking-metrics
  note: >-
    As a regulated CMA9 provider, NatWest publishes FCA service-availability and
    performance metrics rather than a commercial uptime SLA. Open Banking APIs are
    provided free under the PSD2/CMA mandate.
status_page: https://www.bankofapis.com/performance/service-interruptions
status_notes: >-
  All service updates are shared via the Bank of APIs Status Page / Service
  Interruptions page; manual API Service Desk notification emails were discontinued
  at end of February 2026.
deprecated_operations: []
notes: >-
  No operations in the harvested OBIE v3.1.11 specs are flagged deprecated. Version
  lifecycle is driven at the standard level (OBIE / Open Banking Limited), not per
  operation.