---
title: "Upload Extension Endpoint"
method: POST
path: "/extensions"
tags: ["Sessions"]
---

# Upload Extension Endpoint

`POST /extensions`

## Response `200`

Successful Response

- ExtensionResponse
  - `extensionId` string, required — Unique identifier for the extension.
  - `filename` string, required — Name of the extension file.

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.net/raccoonaihq/apis/raccoon-ai-api.md) · [All operations](https://skmtc.net/raccoonaihq/apis/raccoon-ai-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/raccoonaihq/raccoon-ai-api/revisions/cc64732da5aa/schema)