---
title: "Old Faithful Validate"
method: POST
path: "/api/v1/geyser/old-faithful/validate"
tags: ["Old Faithful Geyser Prediction"]
---

# Old Faithful Validate

`POST /api/v1/geyser/old-faithful/validate`

## Request

- Base URL: `https://www.deepmapai.com`
- URL: `https://www.deepmapai.com/api/v1/geyser/old-faithful/validate`
- Auth: none declared

Validate predictions against recent actual eruptions -- auth required.

Performs retrospective validation: for each eruption in the look-back
window, predicts from the preceding history and compares to actual time.
Returns per-eruption grades and aggregate statistics.

**Pricing:** Included in subscription tiers (legacy list price: GET /api/v1/billing/pricing).

## Query parameters

- `x_api_key` string, nullable

## Request body

- CrossPhysicsOldFaithfulRouterValidateRequest: Request body for prediction validation.
  - `hours` integer: Look-back window in hours for validation (1-168)

## Response `200`

Successful Response

- unknown

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/deepmapai/apis/deepmap-ai.md) · [All operations](https://skmtc.dev/deepmapai/apis/deepmap-ai/llms.txt) · [OpenAPI document](https://skmtc.dev/deepmapai/apis/deepmap-ai/revisions/dab995d977d0?raw)