---
title: "Replace a set of annotations for a list of target class instances by"
method: POST
path: "http://localhost:8000/{project_id}/annotations/replace"
tags: ["annotations"]
---

# Replace a set of annotations for a list of target class instances by

`POST http://localhost:8000/{project_id}/annotations/replace`

Replace a set of annotations for a list of target class instances by
removing a set of annotations and adding another one.

## Path parameters

- `project_id` string, required

## Response `201`

Created

---

[API](https://skmtc.net/catmaid/apis/catmaid-api.md) · [All operations](https://skmtc.net/catmaid/apis/catmaid-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/catmaid/catmaid-api/revisions/adc1c7c5eefe/schema)