---
title: "Solar position and clear-sky irradiance"
method: GET
path: "/v1/solar/"
tags: ["Solar"]
---

# Solar position and clear-sky irradiance

`GET /v1/solar/`

## Request

- Base URL: `https://thirdtrail.life`
- URL: `https://thirdtrail.life/v1/solar/`
- Auth: one of:
  - HTTP bearer
  - API key in cookie `sessionid`

Solar azimuth, altitude and zenith plus Direct, Diffuse and Global Horizontal Irradiance under clear skies. NREL SPA-equivalent computation on JPL DE421, irradiance from the Bird Clear Sky Model.

## Query parameters

- `auto_elevation` boolean
- `elevation` number, double
- `include` string
- `lat` number, double, required
- `lon` number, double, required
- `timestamp` string
- `tz` string

## Response `200`

No response body

---

[API](https://skmtc.dev/thirdtrail/apis/thirdtrail-api.md) · [All operations](https://skmtc.dev/thirdtrail/apis/thirdtrail-api/llms.txt) · [OpenAPI document](https://skmtc.dev/thirdtrail/apis/thirdtrail-api/revisions/742040ec3db6?raw)