Portkey is an AI gateway that routes requests to many language models through a single API. It adds retries, fallbacks, load balancing, caching, observability, prompt management and cost tracking, plus guardrails that check inputs and outputs for issues such as prompt injection, PII leaks and hallucinations. Teams can add their own guardrails through webhooks, and an MCP gateway is available. The core gateway is open source under the MIT licence and can be run locally, in Docker, as a Node.js server or on Cloudflare Workers. Portkey also offers a hosted cloud and enterprise private deployments on AWS, Azure, GCP, OpenShift and Kubernetes.
Portkey was based in San Francisco. Palo Alto Networks, a US company, completed its acquisition on 29 May 2026, and the gateway is now branded Prisma AIRS AI Gateway. The ultimate parent is therefore American, so US law, including the CLOUD Act, can apply to the hosted service. Self-hosting the open-source gateway lets a European organisation choose its own infrastructure. The sources do not say how the open-source project will be developed under its new owner.