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Form submission using POST menthod

Question asked by Amit Jain on Oct 10, 2019
Latest reply on Oct 15, 2019 by Sanford Whiteman

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Is it possible to hit an form endpoint to submit the form? I was trying to do that using following URL:

https://xxxx.marketo.com/index.php/leadCapture/save2?formid=1234&munchkinId=xxx-xxx-xxx

but I'm getting error that form is not found? I also checked the documentation and found that it's not allowed to server side positing the data to a form.

Is there any other way to achieve this?

We are trying to integrate ManyChat.com with marketo and there is an option to post the data to en external system directly like a Marketo webhook. I can use the /lead REST API to creaeteOrUpdate but there will be an issue with the token since it's work just like Marketo webhook.

Thanks in advance for your input on this.

Regards,
Amit

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23 Replies

Amit Jain Oct 10, 2019 4:51 AM
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Sanford Whiteman probably you can help me out here.
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Sanford Whiteman Oct 11, 2019 12:17 PM
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You can POST to /save (not /save2).

Use the case-sensitive core fields:
```
   munchkinId
   formid
   retURL (Thank You URL)
   _mkt_trk (Munchkin cookie)
   _mktoReferrer (URL of the page w/form)
```
/save is the same endpoint used by <noscript> form posts from Marketo LPs, so it's not really exotic in any way. While you can't open a Support case about it (like other advanced and/or experimental tactics) it's a reliable part of the Marketo ecosystem, up to its rate limit (30 form posts per second minute per IP).
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- Amit Jain @ Sanford Whiteman on Oct 10, 2019 10:46 PM
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  Thanks Sanford. I tried but it didn't work either in my case.
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  - Sanford Whiteman @ Amit Jain on Oct 10, 2019 11:00 PM
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    Without seeing your code I can't tell you what's wrong. But it's a basic URL-encoded form POST.
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    - Amit Jain @ Sanford Whiteman on Oct 10, 2019 11:57 PM
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      I understand that but there is no code involved here. I have an option on UI in ManyChat like we do in Postman to just select "GET" OR "POST" method and put the endpoint URL. Pretty similar to Marketo's webhook UI.
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      - Sanford Whiteman @ Amit Jain on Oct 11, 2019 12:04 AM
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        So if you put a test URL (i.e. your testing server) what is it POSTing?
        
        Set the server to https://2f6eb214.ngrok.io/ temporarily and then run a couple of tests, I'll tell you what it's sending.
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        Amit Jain @ Sanford Whiteman on Oct 11, 2019 12:07 AM
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        Thank you Sanford Whiteman! But it's working fine now at my end. I'm using following URL:
        https://xxx.marketo.com/index.php/leadCapture/save2?formid=36496&formVid=36496&munchkinId=xxx-xxx-xxx&FirstName=Amit&LastName=Jain&Email=amitjain@ntest.com
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        Sanford Whiteman @ Amit Jain on Oct 11, 2019 12:12 AM
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        That's a GET, not a POST (like Jay said).
        
        Please send a POST to my test endpoint, I'll tell you what it was actually sending.
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        Sanford Whiteman @ Sanford Whiteman on Oct 11, 2019 12:59 AM
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        OK, I stopped my test server for now as you seem to be busy. But you need to make sure you're using POST. GET support could be discontinued at any time; there's no supported Marketo feature that uses it.
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        Amit Jain @ Sanford Whiteman on Oct 11, 2019 3:39 AM
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        Sorry for delayed response Sanford Whiteman.
        
        Please see below screenshot from ManyChat. If you can turn on the server again, that would be really helpful.
        
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        Amit Jain @ Amit Jain on Oct 14, 2019 10:43 PM
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        Hi Sanford Whiteman, please let me know when you will be available to take a look on this? I'll be online the same time.
        
        Regards,
        Amit
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        Amit Jain @ Amit Jain on Oct 14, 2019 11:59 PM
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        I got it now. Sorry I just started learning the API stuff. So I'm using this now:
        
        Endpoint URL with POST method:
        https://app-sxxx.marketo.com/index.php/leadCapture/save2?formVid=36496&munchkinId=xxx-xxx-xxx
        
        Body:
        {
           "FirstName ":"First Name",
           "LastName ":"Last Name",
           "Email ":"Email Address",
           "Dummy_Text_Area_1 ":"Preferred Meeting time",
           "cellPhoneNumber ":"Phone"
        }
        
        Is this looks OK now? Please let me know. Sanford Whiteman Jay Jiang
        
        Edited: When I'm trying this, its making the call in Marketo but it's creating a lead record without any data in it.
        
        But if I pass these in URL parameter instead of Body, it creates lead record with all the details.
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        Jay Jiang @ Amit Jain on Oct 15, 2019 4:40 AM
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        a serialized POST payload is formatted exactly the same as a query string:
        param1=value1&param2=value2&paramN=valueN
        
        You're trying to send an object and marketo doesn't recognize it.
        
        I'm actually confused what you're trying to do/achieve.
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        Sanford Whiteman @ Amit Jain on Oct 11, 2019 12:14 AM
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        And in addition, I can see that it isn't URL-encoding, which is bad.
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        Amit Jain @ Sanford Whiteman on Oct 11, 2019 3:44 AM
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        I'm not sure how can I encode the URL here from the UI (see above screenshot). If you have any thoughts on that, please let me know. I'm just trying to see if it's possible to integrate ManyChat with marketo directly but if you think this is not going to work like this, I have Zapier subscription and can use that to pass the data from ManyChat to Marketo.
        
        Thanks again for your help on this.
        
        Best,
        Amit
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- Jep Castelein @ Sanford Whiteman on Oct 11, 2019 9:10 AM
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  Small correction: "30 form posts per minute per IP", not per second
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  - Sanford Whiteman @ Jep Castelein on Oct 11, 2019 12:20 PM
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    Sorry, yeah, meant that. Fixed.
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Jay Jiang Oct 10, 2019 6:20 PM
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https://xxxx.marketo.com/index.php/leadCapture/save2?formid=1234&munchkinId=xxx-xxx-xxx

You should be including the parameters in the body of the POST. Adding it to the URL is GET.

You can post to save2 server side (apparently you just need to add "formVid"). But warning that the anonymous IP address will be that of the server's and any inferred data will be incorrect.

CURL example in php
```
<?php
$fields = [
 'formid'=>1234,
 'formVid'=>1234,
 'munchkinId'=>'xxx-xxx-xxx',
 'Email'=>'abc@cba.com' // Email not email
];
$payload = '';
foreach($fields as $k=>$v) { $payload .= $k.'='.$v.'&';}
$payload = rtrim($payload , '&');
$ch = curl_init('https://xxxx.marketo.com/index.php/leadCapture/save2');
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $payload);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$result = curl_exec($ch);
curl_close($ch);
?>
```
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- Amit Jain @ Jay Jiang on Oct 10, 2019 10:48 PM
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  Hi Jay,
  
  What is the purpose of formVid here? When I added this in the request, Marketo accepted it and before I was getting 404?
  
  Regards,
  Amit
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  - Sanford Whiteman @ Amit Jain on Oct 10, 2019 11:01 PM
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    formVid is simply one of the required fields for the Forms 2.0 /save2 endpoint.
    
    It's not required for the Forms 1.0 /save endpoint.
    
    I recommend using /save because there will be fewer surprises, namely that only /save, last I checked, can be used from a Marketo instance to itself (which is used for deliberate duplicates and for cookie association).
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- Sanford Whiteman @ Jay Jiang on Oct 10, 2019 11:03 PM
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  Remember to URL-encode the Email field. Emails can contain characters that break URL parsing.
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Arpit Arora Oct 15, 2019 7:50 AM
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Hi Guys,

Munchkin ID and Form ID are available on every Marketo LP by using that value anyone can create the spam leads in any marketo instance using the above method. Is there any way to stop that? /save or /save2 should not work directly and do not create any lead?

Thanks!
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- Sanford Whiteman @ Arpit Arora on Oct 15, 2019 10:25 AM
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  That's the way the Marketo forms endpoint works, Arpit. (And the way any forms endpoint that doesn't specifically require a CSRF token works, not that's it's difficult to simulate a CSRF token.)
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Form submission using POST menthod

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