---
title: "Mark packed slabs as uploaded"
method: POST
path: "/bus/slabbuffer/done"
tags: ["bus"]
---

# Mark packed slabs as uploaded

`POST /bus/slabbuffer/done`

Marks the specified packed slabs as successfully uploaded.

## Request body

- object
  - `slabs` UploadedPackedSlab[]
    - `bufferID` integer — ID of the buffer containing the slab
    - `shards` UploadedSector[]
      - `contractID` string — A unique identifier for a file contract
      - `root` string — A 256-bit blake2b hash

## Response `200`

Successfully marked slabs as uploaded

## Other responses

- `500` — Internal server error

## Changes

- **2024-12-18** `922f156353c9` — 1 breaking, 1 info
  - removed the media type `text/plain` for the response with the status `500`
  - api tag `bus` added
- **2024-12-17** `593be511b682` — 1 info
  - endpoint added
- **2024-12-09** `f062c35d8f47` — 1 breaking
  - api path removed without deprecation

[Change history](https://skmtc.dev/siafoundation/apis/renterd-api/changes/bus/slabbuffer/done/post.md)

---

[API](https://skmtc.dev/siafoundation/apis/renterd-api.md) · [All operations](https://skmtc.dev/siafoundation/apis/renterd-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/siafoundation/renterd-api/revisions/184a3d5207da/schema)