Add Finage (#2901)

README.md

@@ -689,6 +689,7 @@ API | Description | Auth | HTTPS | CORS |
 | [Citi](https://sandbox.developerhub.citi.com/api-catalog-list) | All Citigroup account and statement data APIs | `apiKey` | Yes | Unknown |
 | [Econdb](https://www.econdb.com/api/) | Global macroeconomic data | No | Yes | Yes |
 | [Fed Treasury](https://fiscaldata.treasury.gov/api-documentation/) | U.S. Department of the Treasury Data | No | Yes | Unknown |
+| [Finage](https://finage.co.uk) | Finage is a stock, currency, cryptocurrency, indices, and ETFs real-time & historical data provider | `apiKey` | Yes | Unknown | 
 | [Financial Modeling Prep](https://financialmodelingprep.com/developer/docs/) | Realtime and historical stock data | `apiKey` | Yes | Unknown |
 | [Finnhub](https://finnhub.io/docs/api) | Real-Time RESTful APIs and Websocket for Stocks, Currencies, and Crypto | `apiKey` | Yes | Unknown |
 | [FRED](https://fred.stlouisfed.org/docs/api/fred/) | Economic data from the Federal Reserve Bank of St. Louis | `apiKey` | Yes | Yes |