According to @OpenAI, Meta changed its policies, and 1-800-ChatGPT will stop working on WhatsApp after January 15, 2026, setting a definitive discontinuation date for the messaging integration, source: OpenAI on X, Oct 22, 2025. @OpenAI added that users can still access ChatGPT via the official app, website, and browser, indicating continued product availability outside WhatsApp, source: OpenAI on X, Oct 22, 2025. For trading relevance, the fixed cutoff date highlights platform-policy risk for messaging-based AI distribution while vendor-verified alternatives help mitigate immediate usage disruption risk, source: OpenAI on X, Oct 22, 2025. The announcement does not mention any cryptocurrency or blockchain integration, indicating limited direct crypto market impact from this specific change, source: OpenAI on X, Oct 22, 2025.