LeadSquared Developer Centre


Post an Activity on a Lead (Async)

Posts an activity on a lead. Functionality is the same as the synchronous Post Activity on Lead API, with the following differences –

  1. API host is different, see Async API.
  2. The URL is slightly different (see API URL below).
  3. An additional x-api-key must be passed in the header, see Async APIContent-Type is application-json.
  4. Returns a RequestId parameter in the response. This must be passed in the Status API to get the status of the request.
  5. To get metrics for this Async API, see Get Post Activity on Lead Metrics API.



POST https://{async-host}/activity/create? accessKey=AccessKey&secretKey=SecretKey


Content-Type: application/json
JSON Body/Payload Icon

Request Parameters

Parameter Description

Lead Id (ProspectId) of the lead you want to post the activity on.


Activity Event Code that specifies the activity type. Get it using Get List of Activity Types API.


Notes related to the activity.


Activity date and time in yyyy-mm-dd hh:mm:ss format.


Pass the activity fields (schema names) and values here.


200 OK
Content-Type: application/json

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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