---
title: "Create Buff"
method: POST
path: "/api/buffs"
tags: ["Buffs"]
---

# Create Buff

`POST /api/buffs`

## Request

- Base URL: `https://api.agentstack.tech` (the document declares no server; this is the origin it was published from)
- URL: `https://api.agentstack.tech/api/buffs`
- Auth: one of:
  - API key in header `X-API-Key`
  - HTTP bearer

Создать новый бафф. Доступно только для своей сущности (user) или при правах admin в проекте (project).

## Headers

- `Idempotency-Key` string

## Request body

- CreateBuffRequest: Request model for creating a buff
  - `entity_id` integer, required
  - `entity_kind` string, required
  - `name` string, required
  - `type` string, required
  - `category` string, required
  - `duration_days` integer
  - `priority` integer
  - `effects` object
  - `on_apply` object[], nullable
  - `on_expire` object[], nullable
  - `config` object, nullable
  - `project_id` integer, nullable

## Response `201`

Successful Response

- unknown

## Other responses

- `400`: Bad Request
- `401`: Unauthorized
- `403`: Forbidden
- `404`: Not Found
- `409`: Conflict
- `422`: Validation Error
- `429`: Too Many Requests
- `500`: Internal Server Error

---

[API](https://skmtc.dev/agentstack/apis/agentstack-core-api.md) · [All operations](https://skmtc.dev/agentstack/apis/agentstack-core-api/llms.txt) · [OpenAPI document](https://skmtc.dev/agentstack/apis/agentstack-core-api/revisions/8ecf3406e74a?raw)
