---
title: "FREE verdict: execution-feasibility check of backtest signals — impossible fills outside the bar's traded range, fills pinned at bar extremes (lookahead bias). 20 calls/day/IP."
method: POST
path: "/api/lookahead"
---

# FREE verdict: execution-feasibility check of backtest signals — impossible fills outside the bar's traded range, fills pinned at bar extremes (lookahead bias). 20 calls/day/IP.

`POST /api/lookahead`

## Request

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

## Request body

- object
  - `symbol` string, required
  - `tf` string, required
  - `signals` unknown[], required
    - unknown

## 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)