The global enterprise AI gateway market was valued at USD 0.88 billion in 2025 and is expected to reach USD 11.32 billion by 2035, expanding at a 29.12% CAGR from 2026 to 2035, according to SNS Insider. Growth is being driven by enterprise adoption of artificial intelligence, generative AI, large language models and AI agents. AI gateways centrally route requests, enforce security and governance policies, protect sensitive information, monitor usage, optimize costs and support regulatory compliance across multi-model and cloud-native environments. Platforms held the largest offering share in 2025 at 81.40%, while cloud deployment accounted for 67.80% and LLM gateways represented 42.80%. North America led with 41.50% of global revenue, while Asia Pacific was identified as the fastest-growing regional market. Palo Alto Networks announced plans to acquire Portkey to strengthen its Prisma AIRS platform and use Portkey as an AI Gateway control plane for autonomous AI agents. Kong and Microsoft also announced AI gateway product developments in 2026.