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iOS getTransactionJwsIOS

Get the transaction JWS for server-side validation (iOS 15+, macOS 14+).

Returns Transaction.jsonRepresentation (signed JWS) — pass to your backend for cryptographic validation. See the Apple StoreKit reference.

Signature

swift

func getTransactionJwsIOS(sku: String) async throws -> String?

Kotlin example

suspend fun getTransactionJwsIOS(sku: String): String?

TypeScript example

getTransactionJwsIOS(sku: string): Promise<string | null>

Dart example

dart

Future<String?> getTransactionJwsIOS(String sku);

C# (MAUI) example

Task<string?> GetTransactionJwsIOSAsync(string sku);

GDScript example

func get_transaction_jws_ios(sku: String) -> String

Parameters#

sku (required, string) — Product identifier.

Returns#

Promise<string | null> — Signed JWS for the latest transaction, or null.

Example