The x-signature header is generated using HMAC-SHA256:
message = "app" + timestamp + "POST" + "/v1/" + "customers/sendOtp" + body_json
signature = HMAC-SHA256(message, APP_SECRET)
x-api-key - Your API keyx-client-id - "app"x-timestamp - Unix timestamp (seconds)x-signature - HMAC-SHA256 hex digestplatform - "android"version - "3.0.4"app - "customer-app"POST https://api.cheezious.com/v1/customers/sendOtp
{"phoneNo": "+923019000072", "otpType": "new"}