# MD for: https://www.mercadopago.com.ar/developers/pt/docs/apple-pay/resources/possible-errors.md

\# Possible errors Below are common errors related to Apple's requirements when integrating Apple Pay, as well as the conditions you must meet to avoid or resolve them. ## Errors due to Apple requirements | Scenario | Error message | Apple requirements | | --- | --- | --- | | Incompatible device | \`Apple Pay not available\` or the button does not appear | \*\*Devices:\*\* iPhone or iPad with iOS 10.1 or later, Mac with macOS Sierra or later and Touch ID or Face ID.  
  
\*\*Browser:\*\* Safari primarily; other browsers have limited support.  
  
\*\*Configuration:\*\* Wallet configured with at least one valid card. | | Unverified domain | \`Merchant validation failed\` or \`Domain not verified\` | The domain must be registered and verified in the \[Apple Developer Portal\](https://developer.apple.com/account/).  
  
The verification file \`.well-known/apple-developer-merchantid-domain-association\` must be accessible.  
  
HTTPS is required; Apple Pay does not work over HTTP. | | Invalid or expired certificates | \`Merchant validation failed\` or \`Certificate error\` | Valid, non-expired Merchant Identity Certificate.  
  
Payment Processing Certificate configured correctly.  
  
Certificates must be associated with the correct Merchant ID. |