Post an Activity on an Opportunity

Lets you post a custom activity on an Opportunity. The LeadId, OpportunityIdand ActivityEventare mandatory in the JSON body, to specify the opportunity you want to post the activity on. You can get theOpportunityIdfor an opportunity by referring to Get Opportunity by Lead Id.



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JSON Body/Payload

Content-Type: application/json

   "ActivityNote":"Your Activity Note",
   "ActivityDateTime":"2020-09-15 12:13:44",
         "Value":"2016-07-07 10:55:00"

JSON Properties

Parameter Description

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


Opportunity Id of the opportunity you want to post the activity on.


Activity event code.

To obtain the activity event code, navigate to My Profile>Settings>Leads>Activities and Scores>Custom Activities and Scores. Against the Display Name, you’ll find the Code.


Activity note.


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


The opportunity fields you want to update. Pass the fields as attribute-value pairs, be mentioning the “Schema Names” and the values for it.

To find the “Schema Names”, navigate to My Profile>Settings>Opportunities>Opportunity Types. Against the opportunity type, click the settings wheel icon icon, and then click Edit. You’ll find the “Schema Names” for the opportunity fields here.


200 OK

Content-Type: application/json

    "Status": "Success",
    "Message": {
        "Id": "f63b3aa5-4cd8-40ad-9dbb-a676c1f2edbd",
        "RelatedId": "69e1c27e-dd08-4b53-b509-f353ad1c7f4d"

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.