# Forecast.Solar Chart API

**Canonical:** https://apis.io/apis/forecast-solar/forecast-solar-chart-api/  
**Provider:** Forecast.Solar — https://apis.io/providers/forecast-solar/  
**Base URL:** https://api.forecast.solar  
**Documentation:** https://doc.forecast.solar/

Forecast.Solar Chart API is one of 8 APIs that [Forecast.Solar](https://apis.io/providers/forecast-solar/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Chart. The published artifact set on APIs.io includes an OpenAPI specification.

Chart widget (registered users)

## Operations (10)

| Method | Path | Summary |
|---|---|---|
| GET | `/{apikey}/charts` | List all charts for given API key |
| GET | `/{apikey}/chart/{lat}/{lon}/{dec1}/{az1}/{kwp1}` | Build chart token for one solar plane |
| GET | `/{apikey}/chart/{lat}/{lon}/{dec1}/{az1}/{kwp1}/{dec2}/{az2}/{kwp2}` | Build chart token combined for two solar planes |
| GET | `/{apikey}/chart/{lat}/{lon}/{dec1}/{az1}/{kwp1}/{dec2}/{az2}/{kwp2}/{dec3}/{az3}/{kwp3}` | Build chart token combined for three solar planes |
| GET | `/chart/init.js` | Initialization script for charts |
| GET | `/chart/{day}/{token}.js` | Script to render estimate chart for a day in advance |
| GET | `/chart/history/{token}.js` | Script to render today historic average chart |
| GET | `/chart/history/{day}/{token}.js` | Script to render historic average chart for a day in advance |
| GET | `/chart/clearsky/{token}.js` | Script to render today theoretic clear sky chart |
| GET | `/chart/clearsky/{day}/{token}.js` | Script to render theoretic clear sky chart for a day in advance |

## Machine-readable artifacts (2)

- **OpenAPI** — https://artifacts.apis.io/forecast-solar/openapi/forecast-solar-chart-api-openapi.yml
- **APIsJSON** — https://artifacts.apis.io/forecast-solar/apis.yml

## Other Forecast.Solar APIs (7)

- [Forecast.Solar Clear sky API](https://apis.io/apis/forecast-solar/forecast-solar-clear-sky-api/)
- [Forecast.Solar Forecast API](https://apis.io/apis/forecast-solar/forecast-solar-forecast-api/)
- [Forecast.Solar History API](https://apis.io/apis/forecast-solar/forecast-solar-history-api/)
- [Forecast.Solar Misc API](https://apis.io/apis/forecast-solar/forecast-solar-misc-api/)
- [Forecast.Solar Professional API](https://apis.io/apis/forecast-solar/forecast-solar-professional-api/)
- [Forecast.Solar Public API](https://apis.io/apis/forecast-solar/forecast-solar-public-api/)
- [Forecast.Solar Weather API](https://apis.io/apis/forecast-solar/forecast-solar-weather-api/)

## Tags

Chart

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/forecast-solar/forecast-solar-chart-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/forecast-solar/.