---
title: "Heartmath Cross Validate"
method: POST
path: "/api/v1/cross/heartmath-schumann/cross-validate"
tags: ["HeartMath Schumann Resonance"]
---

# Heartmath Cross Validate

`POST /api/v1/cross/heartmath-schumann/cross-validate`

## Request

- Base URL: `https://www.deepmapai.com`
- URL: `https://www.deepmapai.com/api/v1/cross/heartmath-schumann/cross-validate`
- Auth: none declared

Cross-validate HeartMath GCMS against INTERMAGNET reference.

Compares Schumann resonance measurements from a HeartMath site
with synthetic INTERMAGNET reference data. Reports Pearson
correlation, coherence, amplitude ratio, and per-mode comparison.
**Pricing:** Included in subscription tiers (legacy list price: GET /api/v1/billing/pricing).

Parameters
----------
site : str
    HeartMath site key (default "california").
hours : int
    Hours of data to compare (default 24).

## Query parameters

- `x_api_key` string, nullable

## Request body

- BodyHeartmathCrossValidateApiV1CrossHeartmathSchumannCrossValidatePost
  - `site` string
  - `hours` integer

## 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)