---
title: "Gravity"
method: POST
path: "/api/v1/bio-geo/gravity"
tags: ["Bio-Geophysical Coupling"]
---

# Gravity

`POST /api/v1/bio-geo/gravity`

## Request

- Base URL: `https://www.deepmapai.com`
- URL: `https://www.deepmapai.com/api/v1/bio-geo/gravity`
- Auth: none declared

Lookup gravity anomaly for subsurface density assessment.

Low gravity values may indicate voids/karst (sinkhole risk).
Uses NOAA GRAV-D REST API or first-order tectonic estimation.

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

## Query parameters

- `x_api_key` string, nullable

## Request body

- LocationRequest
  - `lat` number, required: Latitude
  - `lon` number, required: Longitude
  - `days_back` integer: Analysis window in days

## 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)