Execute Workflow using Web API in Dynamics 365

Sharing sample code to call workflow using Web API from JavaScript.
First, we will create a normal workflow which works on demand and a create task with predefined subject and description and activate the workflow.Workflow

Copy the workflow Id and save it to use in JavaScript function.Call below JavaScript function from ribbon button from Lead entity.

function CallWorkflow() {
var workflowId = “71A6BC35-16D8-4447-8ADE-F040CDAE9524″;
var clientURL = Xrm.Page.context.getClientUrl();
var leadId = Xrm.Page.data.entity.getId().replace(‘{‘, ”).replace(‘}’, ”);
var data = {
“EntityId”: leadId
var req = new XMLHttpRequest();
req.open(“POST”, clientURL + “/api/data/v8.2/workflows(“+workflowId+”)/Microsoft.Dynamics.CRM.ExecuteWorkflow”, true);
req.setRequestHeader(“Accept”, “application/json”);
req.setRequestHeader(“Content-Type”, “application/json; charset=utf-8”);
req.setRequestHeader(“OData-MaxVersion”, “4.0”);
req.setRequestHeader(“OData-Version”, “4.0”);
req.onreadystatechange = function () {
if (this.readyState == 4 /* complete */) {
req.onreadystatechange = null;
if (this.status == 200) {
var data = JSON.parse(this.response);
} else {
var error = JSON.parse(this.response).error;
For more details, please refer below URL
hope this helps.


Author: Arvind Singh

Solution Architect with 15+ years of exp. Dynamics CRM, Power Platform, Azure which includes Solution, Design, Development, Deployment, Maintenance and support experience.

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