#サブスクリプション articles

Anthropic Update | Programmatic Usage Credit System Effective June 15

Claude Does Not Support JCB | Payment Methods and V-Preca / Wise Alternatives

Claude (Pro/Max/Team/API) does not support the JCB card brand. This article covers the list of accepted card brands, the structural reason JCB is rejected, and alternative payment methods such as V-Preca and Wise for those who only have a JCB card.

How to Cancel Claude Pro 2026 | Steps for Web, iPhone, and Android

A step-by-step guide to canceling Claude Pro via Web, iPhone, and Android based on your subscription channel. Pro features continue until the next billing date after cancellation; annual plans offer no refund for the remaining period. Your account and chat history are retained under the free plan, and cancellation and account deletion are separate operations.