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Query PayPal Data from Node.js
The API Server exposes Web services that allow connectivity to your data. Use the OData endpoint of the CData API Server to execute CRUD queries to PayPal data from Node.js.
The CData API Server, when paired with the ADO.NET Provider for PayPal, exposes PayPal data (or data from any of 200+ other ADO.NET Providers) as an OData endpoint, which can be queried from Node.js using simple HTTP requests. This article shows how to use the API Server to request JSON-formatted PayPal data in Node.js.
Set Up the API Server
Follow the steps below to begin producing secure PayPal OData services:
Deploy
The API Server runs on your own server. On Windows, you can deploy using the stand-alone server or IIS. On a Java servlet container, drop in the API Server WAR file. See the help documentation for more information and how-tos.
The API Server is also easy to deploy on Microsoft Azure, Amazon EC2, and Heroku.
Connect to PayPal
After you deploy the API Server and the ADO.NET Provider for PayPal, provide authentication values and other connection properties needed to connect to PayPal by clicking Settings -> Connections and adding a new connection in the API Server administration console.
The provider surfaces tables from two PayPal APIs. The APIs use different authentication methods.
- The REST API uses the OAuth standard. To authenticate to the REST API, you will need to set the OAuthClientId, OAuthClientSecret, and CallbackURL properties.
- The Classic API requires Signature API credentials. To authenticate to the Classic API, you will need to obtain an API username, password, and signature.
See the "Getting Started" chapter of the help documentation for a guide to obtaining the necessary API credentials.
To select the API you want to work with, you can set the Schema property to REST or SOAP. By default the SOAP schema will be used.
For testing purposes you can set UseSandbox to true and use sandbox credentials.
You can then choose the PayPal entities you want to allow the API Server access to by clicking Settings -> Resources.
Authorize API Server Users
After determining the OData services you want to produce, authorize users by clicking Settings -> Users. The API Server uses authtoken-based authentication and supports the major authentication schemes. Access can also be restricted based on IP address; all IP addresses except the local machine are restricted by default. You can authenticate as well as encrypt connections with SSL.
Consume PayPal OData Feeds from Node.js
OData feeds are easy to work with in Node.js. You can use the HTTP client in Node.js to request JSON-formatted data from the API Server's OData endpoint. After making the request, you can construct the body of the response and call the JSON.parse() function to parse it into records.
The code below will make an authenticated request for Transactions data. The example URL below applies a simple filter that searches for records with a value of Received in the TransactionClass column.
var http = require('http');
http.get({
protocol: "http:",
hostname: "MyServer.com",
port: MyPort,
path: "/api.rsc/Transactions?$filter=" + encodeURIComponent("TransactionClass eq 'Received'"),
auth: 'MyUser:MyAuthtoken'
},
function(res) {
var body = '';
res.on('data', function(chunk) {
body += chunk;
});
res.on('end', function() {
console.log(body);
var jsonData = JSON.parse(body);
});
}).on('error', function(e) {
console.log("Error: ", e);
});
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