Payload

{
  "event": "open_banking_in_progress",
  "event_id": "evt-a1b2c3d4-5678-90ab-cdef-1234567890ab",
  "application_id": "f47ac10b-58cc-4372-a567-0e02b2c3d479",
  "timestamp": "2026-02-12T10:30:00.000Z",
  "external_reference": "YOUR-REF-001"
}

Fields

Field	Type	Required	Description
`event`	string	Yes	Always `"open_banking_in_progress"`
`event_id`	string	Yes	Unique identifier for this event
`application_id`	string (UUID)	Yes	The unique application identifier
`timestamp`	string (ISO 8601)	Yes	When the event occurred
`external_reference`	string	Yes	Your external reference ID for the application

What This Means

The applicant has started the Open Banking data sharing process. At this stage:

The applicant has been directed to connect their bank account
Data collection is in progress
No action is required from the partner