---
search:
  tags:
    - tasks
    - POST
seo:
  description: >-
    Links the specified task as blocked by this task. Blocking can cross…
    Reference for the POST /tasks/{identifier}/blocking endpoint in the Leadtime
    Public API.
sidebar:
  label: Add a task that this task blocks
  badge: POST
title: Add a task that this task blocks
type: openapi-operation
---
Links the specified task as blocked by this task. Blocking can cross projects in the same workspace. A cycle is rejected with TASK_BLOCKING_CYCLE.

`POST /tasks/{identifier}/blocking`