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Implement custom proxy behavior with JavaScript

Sample use case

Use JavaScript policies to dynamically read and set flow variables and perform custom logic in a proxy.

Policies used in this sample

Read more about this sample

Set up, deploy, invoke

The basic steps are:

  1. Edit ../../setup/ with your Edge information.
  2. ./
  3. ./

See the main project README file for information about setting up, deploying, and invoking sample proxies.


The API returns a set of X-Apigee-Demo-* custom headers and JSON with city and state information.

< X-Apigee-Demo-Target: default
< X-Apigee-Demo-ApiProxyName: simple-javascript
< X-Apigee-Demo-ProxyName: default
< X-Apigee-Demo-ProxyBasePath: /javascript-cookbook
< X-Apigee-Demo-ProxyPathSuffix: /xml
< X-Apigee-Demo-ProxyUrl:
< Server: Apigee Router
* Connection #0 to host left intact
{"city":"San Jose","state":"CA"} 

See also

Apigee API Platform JavaScript Object Model

Ask the community

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Copyright © 2016 Apigee Corporation

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

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