Opta - Opta is a new kind of Infrastructure-As-Code framework designed for fast moving startups.
Alpaca Crypto API - Alpaca is excited to launch the public beta of its newest product, Alpaca Crypto API.
Chain - The Block Chain API for Developers
Crypto APIs - Crypto APIs – Blockchain infrastructure suite for Web 3.0. We make the interactions with blockchains easy, fast and at a fraction of the cost.
Cal.com - Cal.com (formerly Calendso) is the open source Calendly alternative.
marketaux - Stock market, crypto and forex news REST API.