---
search:
  tags:
    - tasks
    - POST
seo:
  description: >-
    Links the specified task as blocked by this task. Blocking can… Reference
    for the POST /tasks/{identifier}/blocking endpoint in the Leadtime Public
    API API.
sidebar:
  badge: POST
  label: Add a task that this task blocks
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.

<Operation source="api-reference" id="taskscontroller-addblocking" />