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    This package has been deprecated

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    This package has been deprecated. Use @kth/api-call instead.


    4.0.1 • Public • Published

    KTH Node API Call Build Status


    Node module used to make JSON calls against APIs.

    To use in your node project, run:

    npm i kth-node-api-call


    In your init callback to the Express web server, this should happen:

    const connections = require('kth-node-api-call').Connections
    const nodeApi = {
      namedApi: {
        host: 'localhost', // api hostname
        https: false, // use ssl?
        port: 3001, // api port
        proxyBasePath: '/api/applicationName', // api base path
        required: true, // is the api required? Optional, defaults to false
        defaultTimeout: 2000, // milliseconds. Optional, defaults to 2000
    const cacheConfig = {
      namedApi: {
        redis: {
          host: 'localhost',
          port: 6379
    const apiKey = {
      namedApi; '1234'
    const options = {
      timeout: 5000, // milliseconds, retry interval if getting API-paths fails
      log: myLogger, // your logger instance
      redis: myRedis, // your redis instance
      cache: cacheConfig, // your api cache options
      checkAPIs: true
    // either
    module.exports = connections.setup(nodeApi, apiKey, options)
    // or
    const api = connections.setup(nodeApi, apiKey, options)


    The checkAPIs option requires that the API implements a checkAPIkey route, see node-api The endpoint can be overridden by setting the statusCheckPath property on the api config object


    Wherever you need to call your api, use something on the form of:

    const paths = api.namedApi.paths
    const client = api.namedApi.client
    // user is a uri parameter
    client.getAsync(client.resolve(paths.[YOUR_ENDPOINT], {user: username, etc...}))
    .then(response => {
      // do something with result

    if you want to use a cached api, add the option {useCache: true} to the getAsync call like this:

    client.getAsync([FULL_PATH], { useCache: true }).then(response => {
      // etc.


    This used to be a straightforward wrapper around request. Since version 4, request is replaced by node-fetch, with efforts made to keep the same methods.

    BasicAPI will allow more control but also encourage more code re-use. It allows the use of Promises and caching (via redis) of successful responses (status >= 200 and status < 400).

    For more details see the examples below and the source code.

    // configure this and re-use throughout your app
    const api = new BasicAPI({
      hostname: 'localhost',
      port: 3001,
      json: true,
      https: false,
      headers: {
        api_key: 'abcd',
      // optionally enable redis for response caching
      // redis: {
      //   client: redisClient,
      //   prefix: 'node-api',
      //   expire: 120
      // }
    // usage example:
    const params = { id: 123 }
    const uri = api.resolve('/value/:id', params)
    // promise
      .then(response => {
        if (response.statusCode >= 200 && response.statusCode < 400) {
          // do something with response.body
        } else {
          // bad/unexpected status code, delegate error
      .catch(err => {
        // handle/delegate err
    // or callback
    api.get(uri, (err, response, body) => {
      if (err) {
        // handle/delegate err
      if (response.statusCode >= 200 && response.statusCode < 400) {
        // do something with response.body
      } else {
        // bad/unexpected status code, delegate error

    HTTP Request Methods

    Each of the following sends a corresponding HTTP request. Append Async (e.g. getAsync) to use Promise instead of callback. The first parameter should be either a uri (as a string) or an options object which is passed to node-fetch. For non-async methods the second parameter should be a function with the following signature: function (error, response, body) { ... }. The callback parameters are the same as for the request library.

    Note that if you use Redis and/or the async methods you might lose some functionality. For details about this, read the source code!

    • get/getAsync
    • post/postAsync
    • put/putAsync
    • del/delAsync
    • head/headAsync
    • patch/patchAsync

    Utility Methods

    • resolve takes two parameters. The first is a uri template, e.g. /value/:name, and the second is a plain object, e.g. { name: 'foo' }. It will then replace :name with the matching values in the object, resolving the uri /value/foo.
    • defaults re-uses the same config and applies another configuration set on top. Basically it does the same as request.defaults() but returns a valid BasicAPI instance.

    Migration from version 3 to 4

    • jar and cookie where basic wrappers to the corresponding request methods. They were removed in version 4.
    • defaults was deprecated in version 4. Use new BasicAPI(options) instead.



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