Added another Finance API

README.md

@@ -781,6 +781,7 @@ API | Description | Auth | HTTPS | CORS |
 | [Twelve Data](https://twelvedata.com/) | Stock market data (real-time & historical) | `apiKey` | Yes | Unknown |
 | [WallstreetBets](https://dashboard.nbshare.io/apps/reddit/api/) | WallstreetBets Stock Comments Sentiment Analysis | No | Yes | Unknown |
 | [Yahoo Finance](https://www.yahoofinanceapi.com/) | Real time low latency Yahoo Finance API for stock market, crypto currencies, and currency exchange | `apiKey` | Yes | Yes |
+| [AltAPI](https://www.altapi.tech/) | Providing a suite of Alternative Data endpoints such as ESG Scores, Insider Trades, Social Sentiment Analysis and much more | `apiKey` | Yes | Unknown |
 | [YNAB](https://api.youneedabudget.com/) | Budgeting & Planning | `OAuth` | Yes | Yes |
 | [Zoho Books](https://www.zoho.com/books/api/v3/) | Online accounting software, built for your business | `OAuth` | Yes | Unknown |