DeepSeek web and API services experienced a partial outage beginning at 08:11 on October 15, disrupting the V4 Pro API, V4.1 Flash API, and Chat service components. The platform's status page updated to "Identified" at 09:08, confirming that engineers have determined the root cause and are implementing a fix. The affected services remain in a full outage state with no estimated recovery time announced. The incident initially triggered an "Investigating" status for three minutes before progressing to the current identification phase as the team works toward restoration.