By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. He has a nasogastric tube to suction and is receiving Lactated Ringer's solution at 75 mL/hour IV. Content-Type: text/html Thanks for contributing an answer to Stack Overflow! { A 400 Bad Request can also occur when you try to upload a file to a website that's too large for the upload request to be fulfilled. Please give us a detailed description. Resolution You need to verify if the client is using HTTP instead of HTTPs and make the correct request as shown below: Sample API request: curl https://org-test.apigee.net:443/400-demo or curl https://org-test.apigee.net/400-demo < HTTP/1.1 200 OK < Date: Thu, 25 Feb 2021 13:01:43 GMT Your answer could be improved with additional supporting information. I'm guessing it's this API: https://market.mashape.com/navii/daily-fuel-price-india#main-version. "Could not get any response" response when using postman with subdomain, What is this fallacy: Perfection is impossible, therefore imperfection should be overlooked. Deploying a REST API. "secret":"????????????????????????????????????????????????????? Also, if you try to upload a file thats too large. 400 typically means you passed something invalid to the API. If the MaxRequestBytes value is lower than the MaxFieldLength value, the MaxFieldLength value is adjusted.