---
title: "Upload a file chunk"
method: PUT
path: "/uploads/{id}/{chunkNum}"
---

# Upload a file chunk

`PUT /uploads/{id}/{chunkNum}`

Allows uploading chunks for a deal file. Method can be called in parallel to speed up uploads.

## Path parameters

- `id` string, required
- `chunkNum` string, required

## Response `200`

UploadOk indicates a successful upload operation, represented by the HTTP status code 200

## Other responses

- `400` — Bad Request - Invalid input or validation error
- `404` — UploadNotFound represents an error where the requested upload chunk could not be found, typically corresponding to HTTP status 404
- `409` — UploadChunkAlreadyUploaded indicates that the chunk has already been uploaded and cannot be re-uploaded
- `500` — UploadServerError indicates a server-side error occurred during the upload process, represented by the HTTP status code 500

---

[API](https://skmtc.net/filecoin-project/apis/curio-market-2-0-api.md) · [All operations](https://skmtc.net/filecoin-project/apis/curio-market-2-0-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/filecoin-project/curio-market-2-0-api/revisions/4406be02a799/schema)