---
title: "SDKs and extension contracts"
description: "How can you define an extension contract for an external developer?"
status: "coming-soon"
language: "en"
canonical: "https://bulnik.dev/en/articles/topics/T52.09/"
topicId: "T52.09"
---

> Coming soon — this article is being prepared. Below are its question, intended outcome, and place in the story.

## The question

How can you define an extension contract for an external developer?

## What we will work through

Define an extension contract for an external developer.

## Before you begin

Previously covered: Projects, tasks, and configurable statuses; OpenAPI and contract validation.

- [Projects, tasks, and configurable statuses](/en/articles/topics/T52.01/)
- [OpenAPI and contract validation](/en/articles/topics/T38.03/)