---
title: "FREE verdict: survivorship-bias check of a backtest universe against the delisted shelf — who died mid-window, which dead symbols you omitted. 20 calls/day/IP."
method: POST
path: "/api/survivorship"
---

# FREE verdict: survivorship-bias check of a backtest universe against the delisted shelf — who died mid-window, which dead symbols you omitted. 20 calls/day/IP.

`POST /api/survivorship`

## Request

- Base URL: `https://iturri.ai`
- URL: `https://iturri.ai/api/survivorship`
- Auth: none declared

## Request body

- object
  - `symbols` unknown[], required
    - unknown
  - `start` string
  - `end` string
  - `asset` string

## Response `200`

OK

## Other responses

- `429`: daily verdict cap reached

---

[API](https://skmtc.dev/iturri/apis/iturri-market-data-api.md) · [All operations](https://skmtc.dev/iturri/apis/iturri-market-data-api/llms.txt) · [OpenAPI document](https://skmtc.dev/iturri/apis/iturri-market-data-api/revisions/11a23bf3facc?raw)