---
title: "Bulk unassign sequences from a folder"
method: POST
path: "/v3/sequence-folders/{id}/sequence-links/bulk-delete"
tags: ["Sequence Folders"]
---

# Bulk unassign sequences from a folder

`POST /v3/sequence-folders/{id}/sequence-links/bulk-delete`

<small>_Requires the `sequences:operate` scope (or a broader one that includes it)._</small>

Removes multiple sequences from a folder. Returns a map of sequence IDs that could not be processed with their error details.

## Path parameters

- `id` string, uuid, required

## Request body

- object
  - `sequenceIds` integer[], required — List of sequence IDs to unassign from the folder

## Response `200`

Bulk unassign result — only failed items are returned, keyed by sequence ID.

Per-item error codes:

| error | Meaning |
|-------|---------|
| 1 | `NotFound` — sequence is not in this folder |

- object

## Other responses

- `400` — Validation failure on the request body
- `401` — Unauthorized. The response body is empty; check the `WWW-Authenticate` header for the expected scheme.
- `403` — User lacks required feature scope to modify this folder
- `404` — Sequence folder not found
- `429` — Too Many Requests

---

[API](https://skmtc.net/reply/apis/reply-api.md) · [All operations](https://skmtc.net/reply/apis/reply-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/reply/reply-api/revisions/1c3d32eaf95e/schema)