---
title: "Add Portfolio Position"
method: POST
path: "/api/portfolio/positions"
tags: ["portfolio"]
---

# Add Portfolio Position

`POST /api/portfolio/positions`

## Request

- Base URL: `https://marketcrew.ai` (the document declares no server; this is the origin it was published from)
- URL: `https://marketcrew.ai/api/portfolio/positions`
- Auth: HTTP bearer

Add a new portfolio position

## Query parameters

- `merge_existing` boolean

## Request body

- PortfolioPositionCreate: Portfolio position creation model
  - `financial_instrument_id` string, uuid, required
  - `portfolio_id` string, uuid, required
  - `cost_price` number, required: Price at which the position was acquired
  - `quantity` number, required: Number of shares/units owned
  - `purchase_date` string, date, nullable: Date when position was acquired (defaults to today)

## Response `200`

Successful Response

- unknown

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/marketcrew/apis/cappilot.md) · [All operations](https://skmtc.dev/marketcrew/apis/cappilot/llms.txt) · [OpenAPI document](https://skmtc.dev/marketcrew/apis/cappilot/revisions/7036e9c74d40?raw)
