postPurchase
open suspend fun postPurchase(token: String, platform: String, storeProductId: String, transactionId: String?, conversationId: String?, amount: Double?, currency: String?, purchaseToken: String? = null, productType: String? = null, kind: String? = null, signedTransaction: String? = null): Boolean
Reports a finished store purchase: verified with the store when purchaseToken (Android) or signedTransaction (iOS) is given, plus an internal note for the team. A gateway without the endpoint (404) returns false.