Alpaca - Open links from Slack via desktop apps: Notion, Spotify, Zoom, Miro, Telegram, Airtable, Figma and VK.
PayPal - PayPal is the faster, safer way to pay online without sharing financial details, send and receive money or accept credit and debit cards as a seller
Bullish.email - The Stock Market in your inbox every morning
Stripe - Online payment processing for internet businesses. Stripe is a suite of payment APIs that powers commerce for online businesses of all sizes. Use Stripe’s payment platform to accept and process payments online for easy-to-use commerce solutions.
StockData.org - Free real-time, intraday and historical stock market, crypto and forex JSON APIs.
Braintree - An all-in-one solution to accept, process, and split payments in your mobile app or online - from small business to large enterprise.