This API registers a user on your portal. A corresponding lead will get created in your LeadSquared account. You may pass additional lead attributes, however, it is mandatory to pass the following attributes in the JSON body –

  • EmailAddress
  • mx_Portal_Password
  • mx_Portal_Confirm_Password

Note: You must pass the public authentication key you receive in the Get Public Auth Key API response. It must be passed in the API header as Authorization = <Your Auth Key>

Here’s an example of an academic portal where a user can register. On clicking the ‘Get Started’ button, the Register API gets called –

portal example



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JSON Body/Payload

Content-Type: application/json

  "LeadFields": [
      "Attribute": "mx_Portal_Confirm_Password",
      "Value": "Qwerty@1"
      "Attribute": "mx_Portal_Password",
      "Value": "Qwerty@1"
      "Attribute": "EmailAddress",
      "Value": ""

JSON Properties

Parameter Description

Pass the Attribute (Schema names of lead fields) and Value of the lead fields you want to accept.
It is mandatory to pass EmailAddress, mx_Portal_Password, mx_Portal_Confirm_Password.


200 OK

Content-Type: application/json

  "LeadId": "e3e1f3d5-17c7-422e-b2ff-752069e5a010",
  "Message": "Registration Successful"

HTTP Response Code

Code Description
200 OK

This is the status code for successful API call.

401 Unauthorized

The API call was made with invalid access credentials. Check your AccessKey and SecretKey.

400 Bad Request

The message body on the request is not as per API specification. Make sure that content type is set to “application/json” and the JSON body has correct attribute names and structure.

404 Not Found

The API could not be found. Please check the API signature.

429 Too Many Requests

API calls exceeded the limit of 25 in 5 second(s)

500 Internal Server Error

The API called failed. There could be many reasons for it. Check the exception message to get more details.