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Expand Up @@ -6,7 +6,7 @@ description: 'Language SDKs for ClickStack - The ClickHouse Observability Stack'
title: 'Language SDKs'
---

Users typically send data to ClickStack via the **OpenTelemetry (OTel) collector**, either directly from language SDKs or through intermediate OpenTelemetry collector acting as agents e.g. collecting infrastructure metrics and logs.
Data is typically sent to ClickStack via the **OpenTelemetry (OTel) collector**, either directly from language SDKs or through intermediate OpenTelemetry collector acting as agents e.g. collecting infrastructure metrics and logs.

Language SDKs are responsible for collecting telemetry from within your application - most notably **traces** and **logs** - and exporting this data to the OpenTelemetry collector, via the OTLP endpoint, which handles ingestion into ClickHouse.

Expand All @@ -21,7 +21,7 @@ In browser-based environments, SDKs may also be responsible for collecting **ses
## Supported languages {#supported-languages}

:::note OpenTelemetry compatibility
While ClickStack offers its own language SDKs with enhanced telemetry and features, users can also use their existing OpenTelemetry SDKs seamlessly.
While ClickStack offers its own language SDKs with enhanced telemetry and features, you can also use their existing OpenTelemetry SDKs seamlessly.
:::

<br/>
Expand Down Expand Up @@ -51,7 +51,7 @@ OTEL_EXPORTER_OTLP_HEADERS='authorization=<YOUR_INGESTION_API_KEY>'

This API key is generated by the HyperDX application, and is available via the app in `Team Settings → API Keys`.

For most [language SDKs](/use-cases/observability/clickstack/sdks) and telemetry libraries that support OpenTelemetry, users can simply set `OTEL_EXPORTER_OTLP_ENDPOINT` environment variable in your application or specify it during initialization of the SDK:
For most [language SDKs](/use-cases/observability/clickstack/sdks) and telemetry libraries that support OpenTelemetry, you can simply set `OTEL_EXPORTER_OTLP_ENDPOINT` environment variable in your application or specify it during initialization of the SDK:

```shell
export OTEL_EXPORTER_OTLP_ENDPOINT=http://localhost:4318
Expand Down