---
title: "SDK Development"
description: "Sentry SDKs are the client libraries that run inside users' applications, capturing errors and other event data before sending it to Sentry for processing."
url: https://develop.sentry.dev/sdk/
---

# SDK Development

* #### [Getting Started](https://develop.sentry.dev/sdk/getting-started.md)

  The following content provides guidance for SDK development at Sentry, helping both internal and external developers understand the motivations behind our design decisions.

* #### [Foundations](https://develop.sentry.dev/sdk/foundations.md)

  Core concepts and infrastructure that every SDK builds on - transport protocol, data model, contexts, scopes, and attributes.

* #### [Telemetry](https://develop.sentry.dev/sdk/telemetry.md)

  Learn about the different telemetry data, that our SDKs can collect.

* #### [Platform Specifics](https://develop.sentry.dev/sdk/platform-specifics.md)

  Read more about the specifics when it comes to certain SDKs.

## Pages in this section

- [Getting Started](https://develop.sentry.dev/sdk/getting-started.md)
- [Foundations](https://develop.sentry.dev/sdk/foundations.md)
- [Telemetry](https://develop.sentry.dev/sdk/telemetry.md)
- [Platform Specifics](https://develop.sentry.dev/sdk/platform-specifics.md)