# Send OTP to a mobile number **POST /sendOTP** ## Servers - Fast2OTP API Server: https://api.fast2sms.com (Fast2OTP API Server) ## Parameters ### Body: application/json (object) - **phone** (string) - **message** (string) - **api_key** (string) ## Responses ### 200 OTP Sent Successfully #### Body: application/json (object) - **status** (string) - **otp_id** (string) ### 400 Invalid Request ### 401 Unauthorized [Powered by Bump.sh](https://bump.sh)