API Marketplace Market Gains Momentum as AI Agents and Cloud-Native Development Expand API Discovery and Monetization The API Marketplace Market is projected to reach USD 112.61 billion by 2035, growing at an 18.13% CAGR, while the U.S. market is projected to reach USD 28.57 billion, advancing at 17.69% CAGR, as ... Published: 2026-09-18