Create a JSON object
JSONObject requestParams = new JSONObject();
requestParams.put("AccountId", accountId);
requestParams.put("Amount", amount);
//Define baseURI
RestAssured.baseURI = apiUrl;
RestAssured.useRelaxedHTTPSValidation();
RequestSpecification request = RestAssured.given();
//Add token to request
request.header("Authorization", token);
// Add a header stating the Request body is a JSON
request.header("Content-Type", "application/json");
//Add reqeust body
request.body(requestParams.toString());
//Define Response
Response response = null;
//Store response from post request
response = request.post();