Apple Pay Merchant Validation TLS Error

Question

sekine-mikuri OP

Created 1w

Replies 1

Boosts 1

Participants 1

Hello,

Please help.

We have been experiencing what appears to be a TLS handshake error in our Apple Pay merchant validation requests (2-way TLS) since June 25, 2025.

We are aware of the encryption algorithm changes made in February 2025, and our system was functioning correctly at that time. However, the error started occurring suddenly and only recently.

Could you please clarify the following points?

Have there been any changes to the TLS configuration (cipher suites, certificates, protocol versions, etc.) on the Apple Pay server side since June 2025? Have there been any updates to the specifications or recommended settings for merchant validation requests? Is there any way to contact Apple for technical support regarding this issue other than through the Developer Forums? Our Merchant Identity Certificate has already been renewed and is confirmed to be valid.

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Answer 1

sekine-mikuri OP

1w

The connection destination where the error occurred was primarily a U.S. server. Occasionally, it connected to a Chinese server, but no errors occurred during those times.

Is it possible that an incompatibility with the client occurred specifically with the U.S. Apple Pay server due to stricter security requirements or similar reasons?

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