Java

UPS OAuth2 Client Credentials

See more UPS Examples

Get an OAuth2 access token for the UPS REST API using the client credentials flow (no interactivity with a web browser required). Chilkat2 Java

import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.Http;
import com.chilkatsoft.chilkat2.HttpRequest;
import com.chilkatsoft.chilkat2.HttpResponse;
import com.chilkatsoft.chilkat2.JsonObject;
import com.chilkatsoft.chilkat2.StringBuilder;

public class ChilkatExample {

    public static void main(String[] args) {
        // This example assumes the Chilkat API to have been previously unlocked.
        // See Global Unlock Sample for sample code.

        Http http = new Http();

        // Implements the following CURL command:

        // curl -i -X POST \
        //   -u 2498righ8wr6aihe98rt8rhowirtyw9er6twe80rtywrehrt:nerf254578uh8rgt7y3h57358ouyth387h8h53h6yyh80hh578per9y7u5ruyuy4 \
        //   https://wwwcie.ups.com/security/v1/oauth/token \
        //   -H 'Content-Type: application/x-www-form-urlencoded' \
        //   -H 'x-merchant-id: 7B3027' \
        //   -d grant_type=client_credentials

        // Use the following online tool to generate HTTP code from a CURL command
        // Convert a cURL Command to HTTP Source Code

        http.setBasicAuth(true);
        http.setLogin("2498righ8wr6aihe98rt8rhowirtyw9er6twe80rtywrehrt");
        http.setPassword("nerf254578uh8rgt7y3h57358ouyth387h8h53h6yyh80hh578per9y7u5ruyuy4");

        HttpRequest req = new HttpRequest();
        req.addParam("grant_type", "client_credentials");

        req.addHeader("x-merchant-id", "7B3027");

        req.setHttpVerb("POST");
        req.setContentType("application/x-www-form-urlencoded");

        HttpResponse resp = new HttpResponse();
        try {
            http.httpReq("https://wwwcie.ups.com/security/v1/oauth/token", req, resp);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        StringBuilder sbResponseBody = new StringBuilder();
        resp.getBodySb(sbResponseBody);

        JsonObject jResp = new JsonObject();
        jResp.loadSb(sbResponseBody);
        jResp.setEmitCompact(false);

        System.out.println("Response Body:");
        System.out.println(jResp.emit());

        int respStatusCode = resp.getStatusCode();
        System.out.println("Response Status Code = " + respStatusCode);
        if (respStatusCode >= 400) {
            System.out.println("Response Header:");
            System.out.println(resp.getHeader());
            System.out.println("Failed.");
            return;
        }

        // Save the OAuth2 access token for other examples to use.
        jResp.writeFile("qa_data/tokens/ups_oauth2_token.json");

        // If successful, the OAuth2 access token JSON looks like this:

        // {
        //   "token_type": "Bearer",
        //   "issued_at": "1686911985606",
        //   "client_id": "2498righ8wr6aihe98rt8rhowirtyw9er6twe80rtywrehrt",
        //   "access_token": "eyJraW......R2sbqrY",
        //   "expires_in": "14399",
        //   "status": "approved"
        // }

        String token_type = jResp.stringOf("token_type");
        String issued_at = jResp.stringOf("issued_at");
        String client_id = jResp.stringOf("client_id");
        String access_token = jResp.stringOf("access_token");
        String expires_in = jResp.stringOf("expires_in");
        String status = jResp.stringOf("status");
    }
}