---
title: "H2S Predict"
method: POST
path: "/api/v1/cross/h2-seepage/predict-seepage"
tags: ["Natural Hydrogen Seepage Predictor"]
---

# H2S Predict

`POST /api/v1/cross/h2-seepage/predict-seepage`

## Request

- Base URL: `https://www.deepmapai.com`
- URL: `https://www.deepmapai.com/api/v1/cross/h2-seepage/predict-seepage`
- Auth: none declared

Predict natural hydrogen seepage probability at a location.

Combines gravity, magnetic, heat flow, fault proximity, ultramafic
proximity, helium isotope ratios, and radon anomalies.

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

## Query parameters

- `x_api_key` string, nullable

## Request body

- H2SeepageRequest: Request for H2 seepage prediction at a location.
  - `lat` number, required: Latitude in decimal degrees
  - `lon` number, required: Longitude in decimal degrees
  - `fetch_remote` boolean: Fetch real gravity/helium data if available

## 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)