---
title: "Cosmos Soil Moisture"
method: GET
path: "/api/v1/cosmos-soil/soil-moisture"
tags: ["cosmos-soil"]
---

# Cosmos Soil Moisture

`GET /api/v1/cosmos-soil/soil-moisture`

## Request

- Base URL: `https://www.deepmapai.com`
- URL: `https://www.deepmapai.com/api/v1/cosmos-soil/soil-moisture`
- Auth: none declared

Soil moisture analysis from COSMOS probe network.

Returns area-averaged soil moisture, neutron intensity, and
anomaly computed from nearby COSMOS cosmic-ray neutron probes.
Uses the Desilets et al. (2010) transfer function:
theta = 0.0808 / (N/N0 - 0.372) - 0.115.

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

## Query parameters

- `lat` number, required: Latitude (WGS84)
- `lon` number, required: Longitude (WGS84)
- `radius_km` number: Search radius in km
- `x_api_key` string, nullable

## 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)