Wolfx WebSocket API Call Instructions

#Introduction to WebSocket

• The WebSocket API automatically pushes relevant information to all clients when the server receives an EEW
• Heartbeat mechanism: The server sends a heartbeat packet every minute or after the connection is established to maintain the connection. The client can optionally reply with a ping packet (recommended).

#WebSocket Call URLs

• Receive all JSON API pushes:

wss://ws-api.wolfx.jp/all_eew

• Sichuan Earthquake Early Warning JSON API:

wss://ws-api.wolfx.jp/sc_eew

• JMA Earthquake Early Warning JSON API:

wss://ws-api.wolfx.jp/jma_eew

• Fujian Earthquake Early Warning JSON API:

wss://ws-api.wolfx.jp/fj_eew

• Chongqing Earthquake Early Warning JSON API:

wss://ws-api.wolfx.jp/cq_eew

• China Earthquake Networks Center Earthquake Early Warning JSON API:

wss://ws-api.wolfx.jp/cenc_eew

• China Earthquake Networks Center Earthquake Information JSON API:

wss://ws-api.wolfx.jp/cenc_eqlist

• JMA Earthquake Information JSON API:

wss://ws-api.wolfx.jp/jma_eqlist

• For detailed JSON field parsing, refer to: https://api.wolfx.jp

#WebSocket Manual Query Commands

• Ping:

ping

• Sichuan Earthquake Early Warning JSON:

query_sceew

• JMA Earthquake Early Warning JSON:

query_jmaeew

• Fujian Earthquake Early Warning JSON:

query_fjeew

• Chongqing Earthquake Early Warning JSON:

query_cqeew

• China Earthquake Networks Center Earthquake Early Warning JSON:

query_cenceew

• China Earthquake Networks Center Earthquake Information JSON:

query_cenceqlist

• JMA Earthquake Information JSON:

query_jmaeqlist

#WebSocket JSON Data Specification

• Common JSON Field Description:

• WebSocket Heartbeat Packet - JSON Field Description:

• WebSocket Pong Packet - JSON Field Description:

#Doc version: v20260415