---
title: "H2 Prospectivity Assess"
method: POST
path: "/api/v1/cross/h2-prospectivity/assess"
tags: ["Natural Hydrogen Prospectivity"]
---

# H2 Prospectivity Assess

`POST /api/v1/cross/h2-prospectivity/assess`

## Request

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

Full H2 prospectivity assessment at a location.

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

Computes serpentinization potential, radiolysis rate, fault conduit
score, and composite H2 prospectivity index.  Cross-validates against
other DeepMap AI geophysical modules for geophysical parameters.

## Query parameters

- `x_api_key` string, nullable

## Request body

- BodyH2ProspectivityAssessApiV1CrossH2ProspectivityAssessPost
  - `lat` number, required: Latitude in decimal degrees
  - `lon` number, required: Longitude in decimal degrees
  - `rock_type` string: Rock type (ultramafic, mafic, etc.)
  - `radius_km` number: Search radius in km

## 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)