LeadSquared Developer Centre


Mark a Lead Valid

Lets you mark a lead ‘Valid’. Email communication will be sent as usual to valid leads. To use this API –

  • Pass the lead’s email address in the JSON body.
  • Add notes or reasons (optional) pertaining to why you’ve marked the lead ‘Valid’.

If you want to mark a lead ‘Invalid’ to stop sending email communication, use the Mark Lead Invalid API.


POST https://{host}/v2/LeadManagement.svc/MarkEmailValid?accessKey=AccessKey&secretKey=SecretKey


Content-Type: application/json
JSON Body/Payload Icon
"EmailAddress": "example@example.com",
"Message": "Example Message"

Request Parameters

Parameter Description

The lead’s email address registered with LeadSquared.


Any notes or reasons pertaining to marking the lead ‘Valid’.


200 OK
Content-Type: application/json
    "Status": "Success",
    "Message": {
        "AffectedRows": 1

HTTP Response Codes

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.

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