post https://sandbox.finmid.com/api/v1/capital/simulation/credits//reject
This endpoint simulates updating the KYB information with rejection details and marking the funding as rejected.
Endpoint can be used only for PENDING fundings without paid_out_at timestamp.
In the live environment, fundings can be rejected when the Business fails the KYB process or does not meet the underwriting criteria.
Only available in sandbox environment.