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The Benefit flow has two resources:
  1. An eligibility check evaluates one Member reference, service, date and amount.
  2. A pre-authorization binds an eligible decision to one covered Booking and reserves one Session.
Both writes require an Idempotency-Key.

Check eligibility

An eligible response states whether pre-authorization is required, the current Session allowance and the amount limit applied to the decision.
ineligible is a decision, not a transport error. Inspect reason_codes before continuing.

Create a pre-authorization

The Booking must exist in the same tenant, use Cover and start at the time evaluated by the eligibility check.
An approved pre-authorization reserves one Session atomically. Retrying the same request returns the original resource and does not reserve another Session.

Data boundary

Responses omit the Member reference, payer identifier and internal coverage record. Clinical Notes, Diagnoses and Session content are never part of this contract. Use benefits:write for decisions and benefits:read for retrieval.
Last modified on July 30, 2026