Node.js から API Gateway を簡単に使えるパッケージ作りました ref: http://qiita.com/kndt84/items/25445998a7c372864cde

file0.txt

npm install aws-api-gateway-client

file1.js

var apigClientFactory = require('aws-api-gateway-client')

file2.js

config = {invokeUrl:'https://xxxxx.execute-api.us-east-1.amazonaws.com'}
var apigClient = apigClientFactory.newClient(config);

file3.js

var apigClient = apigClientFactory.newClient({
    accessKey: 'ACCESS_KEY',
    secretKey: 'SECRET_KEY',
    sessionToken: 'SESSION_TOKEN', //OPTIONAL: If you are using temporary credentials you must include the session token
    region: 'eu-west-1' // OPTIONAL: The region where the API is deployed, by default this parameter is set to us-east-1
});

file4.js

var apigClient = apigClientFactory.newClient({
    apiKey: 'API_KEY'
});

file5.js

var params = {
    //This is where any header, path, or querystring request params go. The key is the parameter named as defined in the API
    userId: '1234',
};
// Template syntax follows url-template https://www.npmjs.com/package/url-template
var pathTemplate = '/users/{userID}/profile'
var method = 'GET';
var additionalParams = {
    //If there are any unmodeled query parameters or headers that need to be sent with the request you can add them here
    headers: {
        param0: '',
        param1: ''
    },
    queryParams: {
        param0: '',
        param1: ''
    }
};
var body = {
    //This is where you define the body of the request
};

file6.txt

apigClient.invokeApi(params, pathTemplate, method, additionalParams, body)
    .then(function(result){
        //This is where you would put a success callback
    }).catch( function(result){
        //This is where you would put an error callback
    });