Adds a manual entitlement grant for a (contact, feature). Useful for admin top-ups, comp credits, or migration. Idempotent on grantId.
AuthorizationRequiredBearer <token>API key as Bearer token
In: header
application/jsonRequiredcontactIdRequiredstringCRM contact id
featureKeyRequiredstringFeature key
amountRequiredintegerUnits to grant
1Maximum: 9007199254740991grantIdRequiredstringCaller-supplied grant id for idempotency
metadataobjectMetadata applied if the entitlement record is being created (first grant).