---
title: "Unload whatever spool is in one of a printer's slots."
method: DELETE
path: "/api/Printers/{id}/slots/{slot}"
tags: ["Printers"]
---

# Unload whatever spool is in one of a printer's slots.

`DELETE /api/Printers/{id}/slots/{slot}`

## Request

- Base URL: `https://api.3dprintlog.com`
- URL: `https://api.3dprintlog.com/api/Printers/{id}/slots/{slot}`
- Auth: one of:
  - OAuth 2 (authorization code, authorization URL `https://3dprintlog.auth0.com/authorize`, token URL `https://3dprintlog.auth0.com/oauth/token`)
  - API key in header `X-Api-Key`
  - API key in query parameter `api_key`

Unloading an empty slot succeeds. To unload every slot, use `PUT /api/Printers/{id}/filament/unload`.

## Path parameters

- `id` integer, required
- `slot` integer, required

## Response `204`

Returned when the slot is empty.

## Other responses

- `401`: Returned if the user is not authenticated.
- `403`: Returned if the current user cannot access the printer.
- `404`: Returned if the printer does not exist.

---

[API](https://skmtc.dev/3dprintlog/apis/3d-print-log-api.md) · [All operations](https://skmtc.dev/3dprintlog/apis/3d-print-log-api/llms.txt) · [OpenAPI document](https://skmtc.dev/3dprintlog/apis/3d-print-log-api/revisions/dfc3a4df4e38?raw)