App Store receipt checker

Status Codes

• 21000

  The App Store could not read the JSON object you provided.
• 21002
  

  The data in the receipt-data property was malformed or missing.
• 21003

  The receipt could not be authenticated.
• 21004

  The shared secret you provided does not match the shared secret on file for your account.
• 21005

  The receipt server is not currently available.
• 21006

  This receipt is valid but the subscription has expired. When this status code is returned to your server, the receipt data is also decoded and returned as part of the response.
  
  Only returned for iOS 6 style transaction receipts for auto-renewable subscriptions.
• 21007

  This receipt is from the test environment, but it was sent to the production environment for verification. Send it to the test environment instead.
• 21008

  This receipt is from the production environment, but it was sent to the test environment for verification. Send it to the production environment instead.
• 21010

  This receipt could not be authorized. Treat this the same as if a purchase was never made.
• 21100-21199

  Internal data access error.