What is an API? What is an API key? How do I use my API key?

What is an API? What is an API key? How do I use my API key?

Solcast Products

Grid Aggregations
Typical Meteorological Year (TMY)
Geographic Horizon Angles


Modelling - FAQsModelling - FAQs

Solcast API

Third Party Applications

Hobbyists and Researchers

Troubleshooting and FAQs

FAQsFAQsTroubleshooting Data ErrorsTroubleshooting Data Errors

Useful Links

Postman API (Spec) Documentation

API Change LogAPI Change LogSubscription ManagementSubscription ManagementAccount FAQs

Access helpful information about Solcast APIs

Before you can access our servers, an API key is required. Here's what you need to know about our API, where to find it, and how to use it. Register for a Solcast API toolkit to help you better understand.

API stands for “Application Programming Interface”. These are widely used for two-way communication of information. You use APIs all of the time on your smartphone, as your favourite apps upload and download information from 'the cloud'.

Solcast offers a number of APIs so that you can access our live and forecast data in an automated fashion. This makes it ready for inclusion in your own application.

We also offer an easy to use API Toolkit for newcomers who aren't familiar with them, where you can download sample files from our API in their standard format for desktop analysis.

In order to access our servers, you will need an API key, which is unique to your account.  You can find this in the 'Account' page once logged into the API Toolkit. You won't need the API Key while using the API Toolkit directly, but you will need it if you want to download our data from outside the API Toolkit (e.g. in your own software code).

If you are logged into the API Toolkit, you can find your API key when you click ‘Your API Key’ from the dropdown list shown below.


You can find detailed instructions in our API documentation.