Requestly is a lightweight proxy available as a browser extension & desktop app to intercept & modify network requests. Backed by Y Combinator, Requestly is trusted by over 150K+ users with stellar reviews! Using Requestly you can - Redirect URLs - Change hosts - Modify Request and Response Headers - Modify Query Params - Target conditional URLs for header modification - Work with Selenium - Delay network requests including XHR/Fetch based API requests - Insert user scripts to change layouts, functionalities for sites - Mock API Responses What's more? You can also collaborate with your team, export/import rules, share rules with other users, templates that cover common use-cases to help you get started. Learn more at: https://requestly.io/