![]() To resolve this, you will need to go into your Postman settings and set how long the app should wait for a response before saying that the server isn’t responding. If you configure a very short timeout in Postman, the request may timeout before completion. Check your server logs (if available) to confirm if this is the case. It’s possible that Postman could be making invalid requests to your server. Since URL requires one of the two protocol options, make sure that you’re not accidentally using instead of (or vice versa) in your URL. ![]() A protocol is important because it determines how data is transferred between the host and the web browser. The first part of the URL requires a protocol which can be http or its secured version, https. Unresolved request variables can result in invalid server addresses. However, If your request includes variables or path parameters then make sure that they’re defined in your environment or globals. In contrast to global variables which are commonly used to capture brief states. Environment variables are frequently used across multiple server environments such as development, staging, and production. Using variables allows you to store and reuse values in your requests and scripts, increasing your ability to work efficiently and minimize the likelihood of error. You can send requests in Postman to connect to APIs you are working with. You can resolve this by adding a client certificate under Postman Settings. If users attempt to access a server without permissions, they would be denied access. As such, the server might require client certificates. Since passwords can easily be compromised, client certificates authenticate users based on the system they use. The purpose of a client certificate is to allow users to assert their identity to a server thus serving as a layer of security. Check the Postman Console to ensure that the correct SSL certificate is being sent to the server. If that doesn’t resolve the issue, your server may be using a client-side SSL connection which you can configure under Postman Settings. If you’re using HTTPS connections, you can turn off SSL verification under Postman settings. You can see more information about the proxy server using the Postman Console. Postman will use the system proxy by default – custom proxy info can also be added if it’s needed for specific requests or domains. If you’re using a proxy server to make requests, ensure that it’s configured correctly. If this happens, you will need to contact your network administrators for Postman to work. Some firewalls are configured to block non-browser connections. If you’re able to open it in your browser then potential issues could include: Firewall Issues If Postman is unable to connect to your server, you will probably get the message “could not get a response.” To check if you’re having connectivity issues, try opening your server address in a web browser.
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