Submit stage 1 of the onboarding process.

When a 4xx client error occurs, response body may have schema YL.Domain.Messages.ResultWrapper
and contain more details on the error body.

Possible values of YL.Domain.Messages.ResultWrapper.ErrorType for this endpoint:

11 - Missing information

The data property returned in the body of the error is an array of strings containing the missing information. It can contain one or more of the following values:
"Payment data", "Organisation details", "Bankstatement details".

If this endpoint returns YL.Domain.Messages.ResultWrapper.ErrorType this is usually caused by missing one of the prior mandatory calls. Please check your error trace for "Payment data", "Organisation details", "Bankstatement details"

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