Questions tagged [recaptcha]
For questions about the reCAPTCHA service: Designed to protect against spam and abuse by blocking bots while allowing valid users access.
recaptcha
4,434
questions
16
votes
2
answers
1k
views
reCAPTCHA stopped working - Invalid Encryption
I have been using reCAPTCHA on my site for a while now and suddenly I realized it has stopped to work. The reCAPTCHA is there, however after verifying correctly, the response FAILS which makes the ...
- 727
16
votes
3
answers
6k
views
Implementing Invisible reCAPTCHA with Redux Form
I am trying to implement Invisible reCAPTCHA with React and Redux Form. In general, the Invisible reCAPTCHA workflow is:
Render the "invisible" CAPTCHA, returning its widget ID.
Call grecaptcha....
- 718
16
votes
2
answers
2k
views
New Google reCAPTCHA JavaScript namespace callback
We're trying to implement the new Google reCAPTCHA on our website, however when we try and load a callback from it using a namespaced function, the callback does not run.
Changing the callback to ...
- 1,661
16
votes
3
answers
28k
views
How could we integrate the Captcha in iOS application?
I googled for integration of Captcha in iOS app but do not found any relevant way to do so. Even i sign up with reCAPTCHA and searched whether the plugins for Captcha are available for iOS or not? I ...
- 1,625
16
votes
1
answer
936
views
reCAPTCHA triggering Java warning in IE
We recently added reCAPTCHA 2.0 to our site and now we're occasionally getting a message from IE about Java. Here is the message:
The page you are viewing uses Java. More information on Java ...
- 521
16
votes
0
answers
9k
views
Unhandled Promise rejection: timeout ; Zone: <root> in angular 6
When I use ng-recaptcha component while routing to another route.
Error is :
Unhandled Promise rejection: timeout ; Zone: ; Task: Promise.then ; Value: timeout undefined
Unhandled Promise rejection:...
15
votes
2
answers
14k
views
Invisible google Recaptcha and ajax form
I have an ajax form:
<form id="my_form">
<input type="text" id="field1" />
<input type="submit" value="submit" />
</form>
And js code:
document.getElementById("...
- 451
15
votes
2
answers
25k
views
fire event when reCAPTCHA session expires
I am working on google reCAPTCHA. It's working fine but when reCAPTCHA session expires after certain time and user clicks again on checkbox to fill the reCAPTCHA, google shows alert saying Error: ...
- 6,049
15
votes
4
answers
78k
views
Is there any possible ways to bypass cloudflare security checks?
We all know, sometimes cloudflare like to check their client visitor to make sure that the visitor isn't a real human. The security check require us to pass Google Recaptcha. What i want to ask is it ...
- 1,322
15
votes
3
answers
36k
views
reCaptcha: allow for all domains or add via API
I'm using the new reCaptcha from Google (with the checkbox and NOT the one with the text to rewrite).
As I'm hosting multiple domains (a lot), I can't add all the domains in the admin panel.
My ...
- 153
15
votes
3
answers
20k
views
Increase reCAPTCHA session timeout
I'm using the Google reCAPTCHA component and have been asked to increase the session timeout. I couldn't find any solution for this. Can it be done? Many thanks.
- 527
15
votes
2
answers
2k
views
Google Recaptcha is not showing after click on radio button
I have two radio buttons. When I click into one of them to change the form fields, the captcha version 1 does not show anymore.
So, I have to click the refresh button to generate a new captcha image....
- 2,069
15
votes
0
answers
2k
views
Will Google reCaptcha work once Chrome blocks usage of third party cookies?
The both versions(V2,V3) of google recaptcha sets third party cookies . As you might know Chrome will block the usage of third party cookies in 2024. Will recaptcha work then or implementation on user ...
- 481
14
votes
5
answers
35k
views
React and reCAPTCHA v3
Is there any easy way to use reCAPTCHA v3 in react? Did a google search an can only find components for v2. And only react-recaptcha-v3 for v3.
But I get an error Invalid site key or not loaded in ...
- 881
14
votes
3
answers
14k
views
Google Recaptcha not working with axios
I am encountering an error while trying to verify my recaptcha witch axios
try{
let result = await axios.post(
'https://www.google.com/recaptcha/api/siteverify',
...
- 2,228
14
votes
1
answer
25k
views
How to reset Google reCaptcha?
Here is my PHP Code:
function post_captcha($user_response) {
$fields_string = '';
$fields = array(
'secret' => '',
'response' => $user_response
);
foreach($...
- 211
14
votes
6
answers
23k
views
Google INVISIBLE reCaptcha + jQuery validate() issue
I have implemented new Google's INVISIBLE reCaptcha on several sites successfully, however, it conflicts with jQuery validate(), in such a way that the js validation is no longer executed on button/...
- 1,369
14
votes
5
answers
20k
views
Google "reCaptcha" sometimes doesn't get displayed/rendered
Sometimes I have to reload the webpage multiple times till the reCaptcha gets rendered. I and a friend tested both on Firefox and Chrome but the problem is consistent and doesn't seem to depend on the ...
- 284
14
votes
3
answers
43k
views
Invisible reCAPTCHA - Missing required parameters: sitekey
I am loading Invisible reCAPTCHA dynamically for every form with button that has class g-recaptcha .
Problem that I have is that captcha is not loading correctly and I am not sure why. I followed ...
- 1,382
14
votes
1
answer
9k
views
Compare: reCaptcha Security Preference options
Compare: reCaptcha Security Preference options
Can anyone please point me towards documentation where I can see the differences among "Easiest for users", "Most secure" and ".. in between .."?
Thanks
- 1,591
14
votes
2
answers
9k
views
reCaptcha on iPhone App using SDK
Has anyone used reCaptcha on their iPhone application? I am trying to figure out how to embed it in my App...
- 1,477
13
votes
4
answers
11k
views
Google App Engine Golang - how to get user's IP address?
I want to integrate ReCAPTCHA to my GAE Golang web application. In order to verify a captcha, I need to get user's IP address. How can I fetch user's IP address from a form post?
- 8,925
13
votes
7
answers
28k
views
How to reset Google recaptcha with react-google-recaptcha
Looks like the google recaptcha works in such a way that if a verification attempt has been made with a particular token, it cannot be used again.
Docs states that "you will need to call ...
- 667
13
votes
7
answers
27k
views
How to add multiple invisible recaptcha in single page?
I have added two invisible recaptcha divs but when i saw the code in inspect element then only one invisible recaptcha added in my single page.
My code is:
<div id="captcha1" class="g-recaptcha"
...
- 263
13
votes
4
answers
20k
views
reCAPTCHA V3: how to deal with expired token after idle?
For Google reCAPTCHA V2 it was clear what to do when the token gets expired because of idle: the customer has a change to click on the reCaptcha checkbox again.
For Google reCAPTCHA V3 it is ...
- 9,218
13
votes
2
answers
16k
views
Validate multiple recaptcha (V2) on the same page
I was wondering how to validate Recaptcha client side, when there are multiple on the same page. I found this https://stackoverflow.com/a/28607943/5649602, and that is OK when i have one.
But now i ...
- 393
13
votes
2
answers
14k
views
g-recaptcha-response with AJAX
I've got a contact-form which sends it's information with an ajax-request to an php-script. Now I like to implement google's "i'm not a robot" recaptcha.
The problem is, I don't know how to transport ...
- 159
13
votes
12
answers
10k
views
Are there any alternatives to recaptcha.net, for stopping spam? [closed]
A member of my company in greater ranking than myself refuses to use recaptcha.net on his website to thwart spam off of a public form. He thinks it would be difficult for anyone coming to our site to ...
- 25.8k
13
votes
4
answers
31k
views
Google ReCAPTCHA how to make required?
Does anyone know how to make the "Google ReCAPTCHA (v2)" be "required" in a form?
I mean no form submission until recaptcha is filled-in?
I use ParsleyJs in my form, but didnt find a way to make it ...
- 28.3k
13
votes
3
answers
14k
views
"Not a robot" recaptcha without a <form> but AJAX instead
The traditional way of using "I am not a robot" Recpatcha seems to be with a <form> on client-side:
<form action="post.php" method="POST">
<div class="g-recaptcha" data-sitekey="...
- 43.8k
13
votes
2
answers
5k
views
recaptcha https problem on https://api-secure.recaptcha.net/
I am using recpatcha on an SSL site but I am not getting the image on some browsers because the ssl certificate of it has been expired !
https://api-secure.recaptcha.net/
if I reference the non-...
- 58.1k
13
votes
3
answers
26k
views
Invisible ReCaptcha with jQuery ajax
I am trying to implement the newest ReCaptcha (aka "invisible" ReCaptcha) within an form using jQuery and an "ajax" request.
ReCaptcha documentation: https://developers.google.com/recaptcha/docs/...
- 1,369
13
votes
1
answer
6k
views
Share reCAPTCHA settings page with other team members
I've added reCAPTCHA to a client's website. Easy enough. Works well enough too.
But the settings etc. here...
https://www.google.com/recaptcha/admin#site/?setup
... are only available to my Google ...
- 525
13
votes
1
answer
13k
views
How to remove captcha verification from Firebase phone auth using flutter web?
I wants to remove or a make invisible google recaptcha verfication.
My code for verifying mobile number and sign in
await FirebaseAuth.instance.verifyPhoneNumber(
phoneNumber: "+91${...
13
votes
2
answers
2k
views
firebase docs reference grecaptcha but never import or define it
From https://firebase.google.com/docs/auth/web/phone-auth:
If signInWithPhoneNumber results in an error, reset the reCAPTCHA so
the user can try again:
grecaptcha.reset(window.recaptchaWidgetId);...
- 2,170
13
votes
1
answer
6k
views
recaptcha gets invalid json from call to https://www.google.com/recaptcha/api2/userverify
When recaptcha makes the call to https://www.google.com/recaptcha/api2/userverify?k=
It comes back with this
)]}'
["uvresp",,,,2]
Granted with a valid k it comes back with a bit more. However the )...
- 141
13
votes
2
answers
10k
views
elusive recaptcha bug. Copy code always fails
A very small amount of my users get a captcha that asks them to copy and paste a code, but it always fails for them - while most of the users get the normal one (checkbox) which goes through correctly....
- 2,055
13
votes
3
answers
16k
views
reCaptcha v3 handle score callback
I followed recaptcha v3 example and managed to make it return a callback with a score for a page, similar with their demo.
What I don't understand is how to handle the score that is returned.
I ...
- 529
12
votes
6
answers
57k
views
Setting recaptcha in a different language other than english
Is it me or is recaptcha images cannot be translated to another language other than EN?
I have and it is still in English. Is this intentional?
- 1,161
12
votes
4
answers
21k
views
Recaptcha Not Verifying with file_get_contents
Confused as to why this isn't working. When the form is submitted I get the error message, meaning my recaptcha verification has failed.
From my form:
<div class="g-recaptcha" data-sitekey="(site-...
- 3,146
12
votes
4
answers
4k
views
Can't register new Client ID on Instagram developers page
I can't register new client because always have a wrong captcha, I tried to create it with different browsers but same effect :(
The captcha solution was not correct. Please try again.
- 599
12
votes
3
answers
85k
views
Resolving "Could not connect to the reCAPTCHA service. Please check your internet connection and reload to get a reCAPTCHA challenge."
I was trying google Recaptcha on the Safari browser which couldn't work (It's working on any other browser like Edge, IE, Firefox, Chrome). After waiting for a minute it returns:
Could not connect ...
- 6,607
12
votes
6
answers
8k
views
reCAPTCHA custom form parameter names
Is possible to customize reCAPTCHA form parameters (recaptcha_challenge_field and recaptcha_response_field) so that they are called differently?
Basically I want the form parameter ...
- 4,186
12
votes
2
answers
10k
views
Does Recaptcha v3 show graphical captchas at all?
I currently use invisible recaptcha and it automatically shows a captcha if it thinks the user is a bot.
Now there is Recaptcha v3 and I struggle to understand how it is supposed to be used.
It ...
- 7,615
12
votes
1
answer
54k
views
How to add reCaptcha on a html web form
I have all my code set up exactly how Google documents the API but it keeps returning a boolean of false, is there something wrong that I have done?
<?php
if(isset($_POST['sendEmail'])) {
$...
- 495
12
votes
5
answers
45k
views
reCAPTCHA has already been rendered in this element
I have a simple contact form built with ASP .Net using the updatepanel. Everything works as expected but i see the error
recaptcha__en.js: Uncaught Error: reCAPTCHA has already been rendered in this ...
- 2,199
12
votes
1
answer
28k
views
"Error: Invalid ReCAPTCHA client id" when executing an invisible captcha
I'm trying to implement Google's Invisible reCAPTCHA in a HTML form in a Wordpress website.
In the head
First, I have the script that sets up the callbacks and binds the submit event of the form to ...
- 5,081
12
votes
2
answers
6k
views
How to add a JavaScript function in WebView and call it later from HTML upon submitting reCAPTCHA
I am adding a JavaScript function in WebView like this (Kotlin):
val webView = findViewById(R.id.webview) as WebView
webView.getSettings().setJavaScriptEnabled(true)
webView.addJavascriptInterface(...
- 8,974
12
votes
1
answer
18k
views
How to solve a reCaptcha in advance using a web scraper? [closed]
I'm currently in the process of trying to solve a reCaptcha. One of the suggestions received was a method called token farming.
For example, it's possible to farm for reCaptcha tokens from another ...
user3259472
12
votes
4
answers
25k
views
Google reCaptcha keeps loading forever
I'm using Google's reCaptcha 2.0 on my website. It used to work well, but since I opened my website to the public and got some more users, recaptcha is not working anymore with most users.. it loads ...
- 8,336