---
title: "Extract Signals"
method: POST
path: "/api/v1/cross/dc-gravity/extract"
tags: ["DC-Coupled Gravity Integration"]
---

# Extract Signals

`POST /api/v1/cross/dc-gravity/extract`

## Request

- Base URL: `https://www.deepmapai.com`
- URL: `https://www.deepmapai.com/api/v1/cross/dc-gravity/extract`
- Auth: none declared

Extract gravity, tidal, and seismic signals from MEMS data.

Processes DC-coupled accelerometer data to separate:
- Static gravity anomaly (<0.01 Hz)
- Earth tidal constituents (M2, S2, O1, K1)
- Seismic signals (>0.1 Hz)

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

## Query parameters

- `x_api_key` string, nullable

## Request body

- GravityExtractRequest
  - `sample_rate_hz` number: Sampling rate (Hz)
  - `duration_hours` number: Data duration (hours)

## 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)