The information in this repository is the result of a cursory review of a collection of free data sources specific to Finance. While some products may have a paid service tier, only the free tier is under review.
This review covers the features and feasibility of using each data source as part of a hackathon or demo project. It includes opinions and observations made by the Author which will change over time. The information is current as of Thu Apr 06 2023.
| Product | Free Offerings | Client Libraries | Protocols | Author Comments |
|---|---|---|---|---|
| Polygon.io |
|
|
|
Promising listing of available products |
| MarketData |
|
|
|
Google Sheets has its own function - GOOGLEFINANCE. Google Finance is no longer an API, so if you want to use the Google data I'd do it in Sheets. |
| Quandl |
|
|
|
Great source for quantitative analysis against data sets, not live ticking data |
| Nessie |
|
|
|
The client libraries are very old. This is a nice product however, could be very useful for a specific use case |
| Rapid API - Quotient |
|
|
|
Rapid API is a generic API provider; Quotient is one API available from them which provides financial data |