Erros when adding to SP list through AngularJS.

Question

I'm just trying to submit a simple item to a sharepoint online list.  Here's the code I have to do this.

 

app.factory("organizationsSrvc", ['$rootScope', '$http',
    function($rootScope, $http) {
        var listName = "Organizations";

        var organizationsService = {};

        //Organization operations
        var organizations = null;

        organizationsService.add = function(organization) {
            var data = JSON.stringify(organization);
            data = data.replace(/[{}]/g, '');
            var datavalue = "{__metadata:{'type':'SP.Data.'" + listName + "'.ListItem'}," + data + "}";
            console.log(datavalue);
            $http({
                url: _spPageContextInfo.webAbsoluteUrl + "/_api/web/lists/GetByTitle('" + listName + "')/items",
                method: 'POST',
                headers: {
                    "Accept": "application/json;odata=verbose",
                    "Content-Type": "application/json;odata=verbose",
                    "X-RequestDigest": $("#__REQUESTDIGEST").val(),
                    "X-HTTP-Method": "POST"
                },
                data: datavalue
            }).then(function success(response) {
                console.log("[add Organization] POST worked");
                console.log("[add Organization] New Id = " + response.Id);
                debugger;
            }, function error(response) {
                console.log("[add Organization] Error = " + response);
                debugger;
            })
            console.log($http);
            debugger;
        };

        return organizationsService;
}]);

 When running this I get the following output in console.

 

 

{__metadata:{'type':'SP.Data.'Organizations'.ListItem'},"title":"test"}

 

organizations.controller.js:69 ƒ $http(requestConfig) {

if (!angular.isObject(requestConfig)) {

throw minErr('$http')('badreq', 'Http request configuration must be an object. Received: {0}', requestConfig);

…

 

POST ....... 400 

 

From what I'm seeing in this output, it looks like It's outputting line 14, then line 33, then hits the error on line 31.  It's saying it's a 400 error.

 

 Any help is appreciated!!