---
title: "Upload File To A Custom Assistant"
method: POST
path: "/v1/assistants/custom/{assistant_id}/files"
tags: ["Custom Assistants"]
---

# Upload File To A Custom Assistant

`POST /v1/assistants/custom/{assistant_id}/files`

## Path parameters

- `assistant_id` string, required

## Query parameters

- `extraction_strategy` 'express' | 'standard' | 'high_quality'

## Response `200`

Successful Response

- unknown

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.net/ibm/apis/wxo-server-api.md) · [All operations](https://skmtc.net/ibm/apis/wxo-server-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/ibm/wxo-server-api/revisions/82c114c37196/schema)