---
title: Complete an upload session
description: Publishes the object after a successful signed PUT.
doc_version: 0.1.0-preview
last_updated: 2026-09-14
---

# Complete an upload session

`POST /v1/workspaces/{workspaceId}/buckets/{bucketId}/upload-sessions/{sessionId}/complete`

Publishes the object after a successful signed PUT.

## Authentication

Send `Authorization: Bearer <SPARK_API_KEY>`. Read the key from the
SPARK_API_KEY environment variable. Never print it.

## Path parameters

- `workspaceId` (string) — The workspace id.
- `bucketId` (string) — The storage bucket id.
- `sessionId` (string) — The upload session id.

## Example request

```bash
curl --request POST \
  --url "https://api.beta.graphon.ai/v1/workspaces/wspQ7WsH2Np5L/buckets/bktA1b2C3d4E5/upload-sessions/upsF6g7H8i9J0/complete" \
  --header "Authorization: Bearer $SPARK_API_KEY"
```

## Sitemap

See the full [sitemap](/sitemap.md) for all pages.