> ## Documentation Index
> Fetch the complete documentation index at: https://nango.dev/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# KlickTipp

> Integrate your application with the KlickTipp API

## 🚀 Quickstart

Connect to KlickTipp with Nango and see data flow in 2 minutes.

<Steps>
  <Step title="Create the integration">
    In Nango ([free signup](https://app.nango.dev)), go to [Integrations](https://app.nango.dev/dev/integrations) -> *Configure New Integration* -> *KlickTipp*.
  </Step>

  <Step title="Authorize KlickTipp">
    Go to [Connections](https://app.nango.dev/dev/connections) -> *Add Test Connection* -> *Authorize*, then enter your API key. Later, you'll let your users do the same directly from your app.
  </Step>

  <Step title="Call the KlickTipp API">
    KlickTipp requires the API key in the request body. Retrieve the stored credentials, then include the key in your call. Replace the placeholders below with your [secret key](https://app.nango.dev/dev/environment-settings), [integration ID](https://app.nango.dev/dev/integrations), and [connection ID](https://app.nango.dev/dev/connections):

    <Tabs>
      <Tab title="cURL">
        ```bash theme={null}
        # 1. Retrieve the stored API key
        curl "https://api.nango.dev/connections/<CONNECTION-ID>" \
          -H "Authorization: Bearer <NANGO-SECRET-KEY>" \
          -H "Provider-Config-Key: <INTEGRATION-ID>"
        # → { "credentials": { "apiKey": "..." } }

        # 2. Subscribe a contact (include apikey in the body)
        curl -X POST "https://api.klicktipp.com/subscriber/signin" \
          -H "Content-Type: application/x-www-form-urlencoded" \
          -d "apikey=<API-KEY>&email=test@example.com"
        ```
      </Tab>

      <Tab title="Node">
        Install Nango's backend SDK with `npm i @nangohq/node`. Then run:

        ```typescript theme={null}
        import { Nango } from '@nangohq/node';

        const nango = new Nango({ secretKey: '<NANGO-SECRET-KEY>' });

        // Retrieve stored credentials
        const { credentials } = await nango.getConnection({
            providerConfigKey: '<INTEGRATION-ID>',
            connectionId: '<CONNECTION-ID>'
        });
        const apiKey = (credentials as Record<string, string>).apiKey;

        // Subscribe a contact (apikey must be in the body)
        const res = await nango.post({
            endpoint: '/subscriber/signin',
            providerConfigKey: '<INTEGRATION-ID>',
            connectionId: '<CONNECTION-ID>',
            data: `apikey=${encodeURIComponent(apiKey)}&email=test@example.com`,
            headers: { 'Content-Type': 'application/x-www-form-urlencoded' }
        });

        console.log(res.data);
        ```
      </Tab>
    </Tabs>

    ✅ You're connected! Check the [Logs](https://app.nango.dev/dev/logs) tab in Nango to inspect requests.
  </Step>

  <Step title="Implement Nango in your app">
    Follow our [Auth implementation guide](/guides/primitives/auth) to integrate Nango in your app.

    To obtain your own production API key, follow the connect guide linked below.
  </Step>
</Steps>

## 📚 KlickTipp Integration Guides

Nango maintained guides for common use cases.

* [How to obtain your KlickTipp API key](/api-integrations/klicktipp/connect)
  Get your API key to connect KlickTipp to Nango

Official docs: [KlickTipp API Documentation](https://developers.klicktipp.com/)

<Note>
  KlickTipp authenticates via an API key sent in the request body. The Nango proxy stores the key securely; at runtime, retrieve it via the [Node SDK](/reference/sdks/node#get-a-connection-with-credentials) and include it in your request body directly.
</Note>

## 🧩 Pre-built syncs & actions for KlickTipp

Enable them in your dashboard. Extend and customize to fit your needs.

*No pre-built syncs or actions available yet.*

<Tip>Not seeing the integration you need? [Build your own](/guides/functions/functions-guide) independently.</Tip>