---
title: "S3-compatible PutObject"
method: PUT
path: "/bedrock/files/{bucket}/{key}"
tags: ["Bedrock Integration"]
---

# S3-compatible PutObject

`PUT /bedrock/files/{bucket}/{key}`

Uploads an object to the Bifrost file store using S3 PutObject semantics.
The response is empty with an `ETag` header, mirroring native S3.

## Path parameters

- `bucket` string, required
- `key` string, required

## Headers

- `x-model-provider` string

## Response `200`

Object stored. Empty body with `ETag` response header.

## Other responses

- `500` — Internal error returned as S3 XML.

---

[API](https://skmtc.net/getbifrost/apis/bifrost-api.md) · [All operations](https://skmtc.net/getbifrost/apis/bifrost-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/getbifrost/bifrost-api/versions/f8cab88f64ea/schema)