curl --request POST \
--url https://api.decodahealth.com/billing/create-payin-config-booking-fee-billing/{event_id}/{patient_id} \
--header 'API-KEY: <api-key>' \
--header 'TENANT: <tenant>'"<string>"curl --request POST \
--url https://api.decodahealth.com/billing/create-payin-config-booking-fee-billing/{event_id}/{patient_id} \
--header 'API-KEY: <api-key>' \
--header 'TENANT: <tenant>'"<string>"