# SendCPEwsp endpoint This method sends the electronic receipts via WhatsApp. Endpoint: POST /integrator/wsp/cpe Version: 1.0.3 Security: bearerAuth ## Request fields (application/json): - `ruc` (string, required) RUC number - `docType` (string, required) Document type - `docSerial` (string, required) Document serial - `docNumber` (string, required) Document number - `phoneNumber` (string, required) Phone number - `agentNumber` (string) Agent number