> ## 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.

# Customer.io Pipelines

> Integrate your application with the Customer.io Pipelines API

## 🚀 Quickstart

Connect to Customer.io Pipelines with Nango and see data flow in 2 minutes.

**1. Create the integration**

In Nango ([free signup](https://app.nango.dev)), go to [Integrations](https://app.nango.dev/dev/integrations) -> *Configure New Integration* -> *Customer.io Pipelines*.

**2. Authorize Customer.io Pipelines**

Go to [Connections](https://app.nango.dev/dev/connections) -> *Add Test Connection* -> *Authorize*, then enter your subdomain (`cdp` for US or `cdp-eu` for EU) and API key. Later, you'll let your users do the same directly from your app.

**3. Call the Customer.io Pipelines API**

Let's make your first request to identify a user. Replace the placeholders below with your [Environment API key](https://nango.dev/docs/reference/backend/http-api/api-keys.md), [integration ID](https://app.nango.dev/dev/integrations), and [connection ID](https://app.nango.dev/dev/connections):

> [tab] cURL
>
> ```bash theme={null}
> # X-Strict-Mode: when set to 1, enables strict validation that returns proper HTTP error codes (400/401) for validation failures
> curl --request POST \
>   "https://api.nango.dev/proxy/identify" \
>   -H "Authorization: Bearer <NANGO-API-KEY>" \
>   -H "Provider-Config-Key: <INTEGRATION-ID>" \
>   -H "Connection-Id: <CONNECTION-ID>" \
>   -H "content-type: application/json" \
>   -H "nango-proxy-X-Strict-Mode: 1" \
>   -d '{"userId":"97980cfea0067","traits":{"name":"Cool Person","email":"cool.person@example.com"}}'
> ```

> [tab] 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({ apiKey: '<NANGO-API-KEY>' });
>
> const res = await nango.post({
>     endpoint: '/identify',
>     providerConfigKey: '<INTEGRATION-ID>',
>     connectionId: '<CONNECTION-ID>',
>     // X-Strict-Mode: when set to 1, enables strict validation that returns proper HTTP error codes (400/401) for validation failures
>     headers: { 'X-Strict-Mode': '1' },
>     data: {
>         userId: '97980cfea0067',
>         traits: { name: 'Cool Person', email: 'cool.person@example.com' }
>     }
> });
>
> console.log(res.data);
> ```

Or fetch credentials with the [Node SDK](https://nango.dev/docs/reference/backend/backend-sdk/node.md#get-a-connection-with-credentials) or [API](https://nango.dev/docs/reference/backend/http-api/connections/get.md).

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

**4. Implement Nango in your app**

Follow our [Auth implementation guide](https://nango.dev/docs/implementation-guides/platform/auth/implement-api-auth.md) to integrate Nango in your app.

To obtain your own credentials, follow the setup guide linked below.

## 📚 Customer.io Pipelines Integration Guides

Nango-maintained guides for common use cases.

* [How to connect your Customer.io Pipelines account](https://nango.dev/docs/api-integrations/customer-io/connect)\
  Get your API key to connect Customer.io Pipelines to Nango

Official docs: [Customer.io Pipelines API](https://customer.io/docs/api/cdp/)

## 🧩 Pre-built syncs & tools for Customer.io Pipelines

Explore Nango-provided tools in your dashboard. [Extend and customize them](https://nango.dev/docs/implementation-guides/platform/functions/customize-template.md) to fit your needs.

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

> [!TIP]
>
> Not seeing the integration you need? [Build your own](https://nango.dev/docs/guides/functions/functions-guide.md) independently.

***


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