iOS In app purchase : request latest cancellation date and number of cancellations

I am working with iOS In-App Purchase.

I would like to request the latest cancellation date and the total number of cancellations preferably with 100% correct result.

I am using Apple's verifyreceipt call ( https://developer.apple.com/library/content/releasenotes/General/ValidateAppStoreReceipt/Chapters/ValidateRemotely.html#//apple_ref/doc/uid/TP40010573-CH104-SW1 -> https://sandbox.itunes.apple.com/verifyReceipt / https://buy.itunes.apple.com/verifyReceipt JSON response field descriptions : https://developer.apple.com/library/content/releasenotes/General/ValidateAppStoreReceipt/Chapters/ReceiptFields.html#//apple_ref/doc/uid/TP40010573-CH106-SW25 ) .

The JSON response has this format :

(lldb) po jsonResponse
{
    environment = Sandbox;
    "latest_receipt" = "<some binary text>";
    "latest_receipt_info" =     (
                {
            "expires_date" = "2017-11-17 15:41:31 Etc/GMT";
            "expires_date_ms" = 1510933291000;
            "expires_date_pst" = "2017-11-17 07:41:31 America/Los_Angeles";
            "is_trial_period" = true;
            "original_purchase_date" = "2017-11-17 14:41:34 Etc/GMT";
            "original_purchase_date_ms" = 1510929694000;
            "original_purchase_date_pst" = "2017-11-17 06:41:34 America/Los_Angeles";
            "original_transaction_id" = 1000000353161868;
            "product_id" = "com.myapp.iap.pro.renewing.monthly.trial";
            "purchase_date" = "2017-11-17 14:41:31 Etc/GMT";
            "purchase_date_ms" = 1510929691000;
            "purchase_date_pst" = "2017-11-17 06:41:31 America/Los_Angeles";
            quantity = 1;
            "transaction_id" = 1000000353161868;
            "web_order_line_item_id" = 1000000036932780;
        },
                {
            "expires_date" = "2017-11-17 15:46:31 Etc/GMT";
            "expires_date_ms" = 1510933591000;
            "expires_date_pst" = "2017-11-17 07:46:31 America/Los_Angeles";
            "is_trial_period" = false;
            "original_purchase_date" = "2017-11-17 14:41:34 Etc/GMT";
            "original_purchase_date_ms" = 1510929694000;
            "original_purchase_date_pst" = "2017-11-17 06:41:34 America/Los_Angeles";
            "original_transaction_id" = 1000000353161868;
            "product_id" = "com.myapp.iap.pro.renewing.monthly.trial";
            "purchase_date" = "2017-11-17 15:41:31 Etc/GMT";
            "purchase_date_ms" = 1510933291000;
            "purchase_date_pst" = "2017-11-17 07:41:31 America/Los_Angeles";
            quantity = 1;
            "transaction_id" = 1000000353176570;
            "web_order_line_item_id" = 1000000036932781;
        },
                {
            "expires_date" = "2017-11-17 15:51:31 Etc/GMT";
            "expires_date_ms" = 1510933891000;
            "expires_date_pst" = "2017-11-17 07:51:31 America/Los_Angeles";
            "is_trial_period" = false;
            "original_purchase_date" = "2017-11-17 14:41:34 Etc/GMT";
            "original_purchase_date_ms" = 1510929694000;
            "original_purchase_date_pst" = "2017-11-17 06:41:34 America/Los_Angeles";
            "original_transaction_id" = 1000000353161868;
            "product_id" = "com.myapp.iap.pro.renewing.monthly.trial";
            "purchase_date" = "2017-11-17 15:46:31 Etc/GMT";
            "purchase_date_ms" = 1510933591000;
            "purchase_date_pst" = "2017-11-17 07:46:31 America/Los_Angeles";
            quantity = 1;
            "transaction_id" = 1000000353177515;
            "web_order_line_item_id" = 1000000036933429;
        },
                {
            "expires_date" = "2017-11-17 15:56:31 Etc/GMT";
            "expires_date_ms" = 1510934191000;
            "expires_date_pst" = "2017-11-17 07:56:31 America/Los_Angeles";
            "is_trial_period" = false;
            "original_purchase_date" = "2017-11-17 14:41:34 Etc/GMT";
            "original_purchase_date_ms" = 1510929694000;
            "original_purchase_date_pst" = "2017-11-17 06:41:34 America/Los_Angeles";
            "original_transaction_id" = 1000000353161868;
            "product_id" = "com.myapp.iap.pro.renewing.monthly.trial";
            "purchase_date" = "2017-11-17 15:51:31 Etc/GMT";
            "purchase_date_ms" = 1510933891000;
            "purchase_date_pst" = "2017-11-17 07:51:31 America/Los_Angeles";
            quantity = 1;
            "transaction_id" = 1000000353178539;
            "web_order_line_item_id" = 1000000036933488;
        },
                {
            "expires_date" = "2017-11-17 16:01:31 Etc/GMT";
            "expires_date_ms" = 1510934491000;
            "expires_date_pst" = "2017-11-17 08:01:31 America/Los_Angeles";
            "is_trial_period" = false;
            "original_purchase_date" = "2017-11-17 14:41:34 Etc/GMT";
            "original_purchase_date_ms" = 1510929694000;
            "original_purchase_date_pst" = "2017-11-17 06:41:34 America/Los_Angeles";
            "original_transaction_id" = 1000000353161868;
            "product_id" = "com.myapp.iap.pro.renewing.monthly.trial";
            "purchase_date" = "2017-11-17 15:56:31 Etc/GMT";
            "purchase_date_ms" = 1510934191000;
            "purchase_date_pst" = "2017-11-17 07:56:31 America/Los_Angeles";
            quantity = 1;
            "transaction_id" = 1000000353179673;
            "web_order_line_item_id" = 1000000036933554;
        },
                {
            "expires_date" = "2017-11-17 16:06:31 Etc/GMT";
            "expires_date_ms" = 1510934791000;
            "expires_date_pst" = "2017-11-17 08:06:31 America/Los_Angeles";
            "is_trial_period" = false;
            "original_purchase_date" = "2017-11-17 14:41:34 Etc/GMT";
            "original_purchase_date_ms" = 1510929694000;
            "original_purchase_date_pst" = "2017-11-17 06:41:34 America/Los_Angeles";
            "original_transaction_id" = 1000000353161868;
            "product_id" = "com.myapp.iap.pro.renewing.monthly.trial";
            "purchase_date" = "2017-11-17 16:01:31 Etc/GMT";
            "purchase_date_ms" = 1510934491000;
            "purchase_date_pst" = "2017-11-17 08:01:31 America/Los_Angeles";
            quantity = 1;
            "transaction_id" = 1000000353180672;
            "web_order_line_item_id" = 1000000036933616;
        },
                {
            "expires_date" = "2017-11-18 16:03:15 Etc/GMT";
            "expires_date_ms" = 1511020995000;
            "expires_date_pst" = "2017-11-18 08:03:15 America/Los_Angeles";
            "is_trial_period" = false;
            "original_purchase_date" = "2017-11-17 14:41:34 Etc/GMT";
            "original_purchase_date_ms" = 1510929694000;
            "original_purchase_date_pst" = "2017-11-17 06:41:34 America/Los_Angeles";
            "original_transaction_id" = 1000000353161868;
            "product_id" = "com.myapp.iap.pro.renewing.monthly.trial";
            "purchase_date" = "2017-11-18 15:58:15 Etc/GMT";
            "purchase_date_ms" = 1511020695000;
            "purchase_date_pst" = "2017-11-18 07:58:15 America/Los_Angeles";
            quantity = 1;
            "transaction_id" = 1000000353294875;
            "web_order_line_item_id" = 1000000036933659;
        }
    );
    "pending_renewal_info" =     (
                {
            "auto_renew_product_id" = "com.myapp.iap.pro.renewing.monthly.trial";
            "auto_renew_status" = 1;
            "original_transaction_id" = 1000000353161868;
            "product_id" = "com.myapp.iap.pro.renewing.monthly.trial";
        }
    );
    receipt =     {
        "adam_id" = 0;
        "app_item_id" = 0;
        "application_version" = 759;
        "bundle_id" = "com.myapp";
        "download_id" = 0;
        "in_app" =         (
                        {
                "expires_date" = "2017-11-17 15:46:31 Etc/GMT";
                "expires_date_ms" = 1510933591000;
                "expires_date_pst" = "2017-11-17 07:46:31 America/Los_Angeles";
                "is_trial_period" = false;
                "original_purchase_date" = "2017-11-17 14:41:34 Etc/GMT";
                "original_purchase_date_ms" = 1510929694000;
                "original_purchase_date_pst" = "2017-11-17 06:41:34 America/Los_Angeles";
                "original_transaction_id" = 1000000353161868;
                "product_id" = "com.myapp.iap.pro.renewing.monthly.trial";
                "purchase_date" = "2017-11-17 15:41:31 Etc/GMT";
                "purchase_date_ms" = 1510933291000;
                "purchase_date_pst" = "2017-11-17 07:41:31 America/Los_Angeles";
                quantity = 1;
                "transaction_id" = 1000000353176570;
                "web_order_line_item_id" = 1000000036932781;
            },
                        {
                "expires_date" = "2017-11-17 15:51:31 Etc/GMT";
                "expires_date_ms" = 1510933891000;
                "expires_date_pst" = "2017-11-17 07:51:31 America/Los_Angeles";
                "is_trial_period" = false;
                "original_purchase_date" = "2017-11-17 14:41:34 Etc/GMT";
                "original_purchase_date_ms" = 1510929694000;
                "original_purchase_date_pst" = "2017-11-17 06:41:34 America/Los_Angeles";
                "original_transaction_id" = 1000000353161868;
                "product_id" = "com.myapp.iap.pro.renewing.monthly.trial";
                "purchase_date" = "2017-11-17 15:46:31 Etc/GMT";
                "purchase_date_ms" = 1510933591000;
                "purchase_date_pst" = "2017-11-17 07:46:31 America/Los_Angeles";
                quantity = 1;
                "transaction_id" = 1000000353177515;
                "web_order_line_item_id" = 1000000036933429;
            },
                        {
                "expires_date" = "2017-11-17 15:56:31 Etc/GMT";
                "expires_date_ms" = 1510934191000;
                "expires_date_pst" = "2017-11-17 07:56:31 America/Los_Angeles";
                "is_trial_period" = false;
                "original_purchase_date" = "2017-11-17 14:41:34 Etc/GMT";
                "original_purchase_date_ms" = 1510929694000;
                "original_purchase_date_pst" = "2017-11-17 06:41:34 America/Los_Angeles";
                "original_transaction_id" = 1000000353161868;
                "product_id" = "com.myapp.iap.pro.renewing.monthly.trial";
                "purchase_date" = "2017-11-17 15:51:31 Etc/GMT";
                "purchase_date_ms" = 1510933891000;
                "purchase_date_pst" = "2017-11-17 07:51:31 America/Los_Angeles";
                quantity = 1;
                "transaction_id" = 1000000353178539;
                "web_order_line_item_id" = 1000000036933488;
            },
                        {
                "expires_date" = "2017-11-17 16:01:31 Etc/GMT";
                "expires_date_ms" = 1510934491000;
                "expires_date_pst" = "2017-11-17 08:01:31 America/Los_Angeles";
                "is_trial_period" = false;
                "original_purchase_date" = "2017-11-17 14:41:34 Etc/GMT";
                "original_purchase_date_ms" = 1510929694000;
                "original_purchase_date_pst" = "2017-11-17 06:41:34 America/Los_Angeles";
                "original_transaction_id" = 1000000353161868;
                "product_id" = "com.myapp.iap.pro.renewing.monthly.trial";
                "purchase_date" = "2017-11-17 15:56:31 Etc/GMT";
                "purchase_date_ms" = 1510934191000;
                "purchase_date_pst" = "2017-11-17 07:56:31 America/Los_Angeles";
                quantity = 1;
                "transaction_id" = 1000000353179673;
                "web_order_line_item_id" = 1000000036933554;
            },
                        {
                "expires_date" = "2017-11-17 16:06:31 Etc/GMT";
                "expires_date_ms" = 1510934791000;
                "expires_date_pst" = "2017-11-17 08:06:31 America/Los_Angeles";
                "is_trial_period" = false;
                "original_purchase_date" = "2017-11-17 14:41:34 Etc/GMT";
                "original_purchase_date_ms" = 1510929694000;
                "original_purchase_date_pst" = "2017-11-17 06:41:34 America/Los_Angeles";
                "original_transaction_id" = 1000000353161868;
                "product_id" = "com.myapp.iap.pro.renewing.monthly.trial";
                "purchase_date" = "2017-11-17 16:01:31 Etc/GMT";
                "purchase_date_ms" = 1510934491000;
                "purchase_date_pst" = "2017-11-17 08:01:31 America/Los_Angeles";
                quantity = 1;
                "transaction_id" = 1000000353180672;
                "web_order_line_item_id" = 1000000036933616;
            },
                        {
                "expires_date" = "2017-11-18 16:03:15 Etc/GMT";
                "expires_date_ms" = 1511020995000;
                "expires_date_pst" = "2017-11-18 08:03:15 America/Los_Angeles";
                "is_trial_period" = false;
                "original_purchase_date" = "2017-11-17 14:41:34 Etc/GMT";
                "original_purchase_date_ms" = 1510929694000;
                "original_purchase_date_pst" = "2017-11-17 06:41:34 America/Los_Angeles";
                "original_transaction_id" = 1000000353161868;
                "product_id" = "com.myapp.iap.pro.renewing.monthly.trial";
                "purchase_date" = "2017-11-18 15:58:15 Etc/GMT";
                "purchase_date_ms" = 1511020695000;
                "purchase_date_pst" = "2017-11-18 07:58:15 America/Los_Angeles";
                quantity = 1;
                "transaction_id" = 1000000353294875;
                "web_order_line_item_id" = 1000000036933659;
            },
                        {
                "expires_date" = "2017-11-17 15:41:31 Etc/GMT";
                "expires_date_ms" = 1510933291000;
                "expires_date_pst" = "2017-11-17 07:41:31 America/Los_Angeles";
                "is_trial_period" = true;
                "original_purchase_date" = "2017-11-17 14:41:34 Etc/GMT";
                "original_purchase_date_ms" = 1510929694000;
                "original_purchase_date_pst" = "2017-11-17 06:41:34 America/Los_Angeles";
                "original_transaction_id" = 1000000353161868;
                "product_id" = "com.myapp.iap.pro.renewing.monthly.trial";
                "purchase_date" = "2017-11-17 14:41:31 Etc/GMT";
                "purchase_date_ms" = 1510929691000;
                "purchase_date_pst" = "2017-11-17 06:41:31 America/Los_Angeles";
                quantity = 1;
                "transaction_id" = 1000000353161868;
                "web_order_line_item_id" = 1000000036932780;
            }
        );
        "original_application_version" = "1.0";
        "original_purchase_date" = "2013-08-01 07:00:00 Etc/GMT";
        "original_purchase_date_ms" = 1375340400000;
        "original_purchase_date_pst" = "2013-08-01 00:00:00 America/Los_Angeles";
        "receipt_creation_date" = "2017-11-18 15:58:18 Etc/GMT";
        "receipt_creation_date_ms" = 1511020698000;
        "receipt_creation_date_pst" = "2017-11-18 07:58:18 America/Los_Angeles";
        "receipt_type" = ProductionSandbox;
        "request_date" = "2017-11-18 15:58:23 Etc/GMT";
        "request_date_ms" = 1511020703927;
        "request_date_pst" = "2017-11-18 07:58:23 America/Los_Angeles";
        "version_external_identifier" = 0;
    };
    status = 0;
}

I don't see any way to extract the "number of cancellations" info from this response. Is there any way to do it? Possibly using a different request for example?

As I see I can get the "latest cancellation date" by checking the value of "pending_renewal_info" : "auto_renew_status" == 0 and iterating over the array of receipts and getting the latest expiration date (maybe with adding a safety check that it is less than the current date). But : as I see this solution does not give 100% correct result, because : in case if a user has a cancelled subscription and renews it outside the app without starting the app, my app won't be able to identify that cancellation. Is there any way to request this information?

Replies

First, the latest_receipt_info is the current recept - it could post-date the receipt you send for verification. Second, there rarely is a cancellation_date. You need to identify the latest renewal and determine its expiration date. Cancellation differs from expiration.