Requestly is a cross-platform developer tool (Google Chrome and Mozilla Firefox web extension, Desktop App) to set up URL Redirects/Rewrites, Modify request and response headers, Insert user scripts, Add Delays, Mock API Response, Modify query parameters, etc. Use Requestly tag only when you are trying to achieve a use case based on the above using another Chrome Extension (or in specific Requestly) and you need help around it.
Questions tagged [requestly]
12 questions
6
votes
3 answers
Simulate fake 404,500 Status Code to check frontend app behaviour
I want to simulate a fake 404 status code from the backend to see how my website will behave.
I don't want to mock fake response status in the code I would like to use some tools.
Cause sometimes I want to test it on the production which has version…

Patryk Janik
- 2,476
- 2
- 13
- 23
2
votes
1 answer
Requestly chrome extension mock api response to 503
I want to change HTTP Status Code to 503 with a custom response body on URL ending with .mpd. I am using Requestly chrome extension to intercept the request and have it failed with 503.
Here is the Modify API Response rule screenshot
Here's…

Norfeldt
- 8,272
- 23
- 96
- 152
2
votes
1 answer
How to have Fiddler\ other application automatically intercept and modify HTTP requests parameters?
I work with a website that I dont own\ coded. Now, I need to change one of the params on the requests that are sent from this website to the server.
Example:
From:
https://google.com/search?count=20
To:
https://google.com/search?count=40
I tried…

yoss
- 21
- 3
1
vote
1 answer
Is it possible to modify network requests of a Chrome extension using Requestly?
I'm attempting to work around an issue with the Coinbase Wallet Chrome extension where it's making incorrect network requests(specifically badly structured eth_chainId request) when trying to add a custom network. I want to intercept these requests…

MShakeG
- 391
- 7
- 45
1
vote
2 answers
Solving CORS Issue using Chrome Extension
My app is available on app-123.company.aws.com So in order to make the development process faster, I use Requestly to redirect scripts & APIs to my local development. This works fine most of the time but some API endpoints don't have CORS enabled…

Pranay
- 91
- 2
- 7
1
vote
0 answers
Modify HTTP response on the user-agent/client side
Using free tools, how can I modify/override a server response on the user-agent/client for any http method (e.g. POST/GET/DEL regardless of whether it is a fetch/XMLHttpRequest request)?
I have tried:
Requestly browser extension, but it only…

Mr.
- 9,429
- 13
- 58
- 82
1
vote
1 answer
Enter full screen automatically by inserting script in a webpage using requestly
I want to go into full-screen mode (F11) on certain pages. For this, I am using Requestly chrome extension to insert a script on a webpage.
Here is the script
document.body.requestFullscreen();
When I run this script directly in the console, I…

saurabh patel
- 23
- 3
1
vote
1 answer
How can I redirect a specific URL to another after a delay?
whenever I end up on a certain page, which has a certain URL ("A"), i want my browser (Chromium) to wait there 10 seconds (without doing nothing else) and then automatically redirect me to another specific URL ("B")
"A" is a page on a website that…

an anon
- 9
- 3
1
vote
1 answer
Changing a value of an index in a buffer array
so I am using requestly to modify the http responses
function modifyResponse(args) {
const {method, url, response, responseType, requestHeaders, requestData, responseJSON} = args;
console.log(response)
return response;
}
so this function…

anothernoob
- 11
- 1
0
votes
1 answer
How to modify response headers without using a third party app
I want to make a simple fetch request to siteA from siteB, but I am blocked by CORS policy.
fetch(siteA, {
credentials: "include",
headers: {
'Access-Control-Allow-Origin': siteB,
'Access-Control-Allow-Credentials':…

mrwuscience
- 53
- 7
0
votes
0 answers
How do I override window.console.debug so that it behaves identically when the chrome dev tools is in use?
I've been using https://requestly.io/ to make a Javascript script execute before the code of an annoying website that is trying to hide information from me by detecting when chrome dev tools is opened and breaking itself. The website uses…

Jimmy J.K.
- 25
- 6
-1
votes
1 answer
How to Inject script only in a particular Iframe
I am using Requestly to Inject script but couldn't find a way to inject the script only in a particular Iframe.
Is there any way to insert custom JS using Requestly in a particular iFrame in a webpage?

J.Nishanth Babu
- 3
- 1