Handles `GET /v1/verifications/sessions/{session_id}`.
The same result the exchange returns, by session id, for as long as the session is kept. A customer whose exchange response was lost, or who never configured a webhook, reads it here.
Errors
401, 403 without VERIFICATIONS_READ, 404 for an unknown session
or another tenant’s, 503 when a store cannot be reached.
Authorizations
A tenant API key. Acts for exactly one tenant and cannot conclude a case, because a conclusion records a person.
Path Parameters
Session identifier
Response
The session's result so far
A hosted session's result, as the customer may read it.
Per-check results so far, worded from the check's kind, outcome and reason code; never from stored text.
RFC 3339 opening time.
FIRST_TIME or REVERIFICATION.
Why, as stable codes with customer-safe wording. A stored code this
build does not describe is UNSPECIFIED.
PENDING, PASSED, REVIEW_REQUIRED, FAILED or EXPIRED.
The person, as the customer identified them.
Session identifier.
RFC 3339 completion time, once concluded.
Its outcome.
ALLOW, WARN, BLOCK, HOLD, REVIEW_REQUIRED, FLAG, BLOCK_RECOMMENDED, SUSPEND, END_STREAM The decision, once there is one.
The flow the session ran under, when one was named.
The review case, when the outcome needs a person.
Its risk level.
LOW, MEDIUM, HIGH, CRITICAL 
