
Stargate
API Gateway
DataStax open-source data API gateway for Cassandra with REST, GraphQL, and document APIs.

API Gateway
DataStax open-source data API gateway for Cassandra with REST, GraphQL, and document APIs.

API Gateway
API management platform from Brazil offering gateway, developer portal, and event hub capabilities.

API Gateway Platforms
Open source AI and API gateway and management platform providing rate limiting, authentication, and analytics for API-first organizations.

API Gateway Platforms
Zuplo is a programmable API gateway platform for rate limiting, auth, policies, and developer-friendly API delivery workflows.
Price$25 / month
API Gateway Platforms
Non-destructive compression gateway for AI coding agents. Cuts token bills 25% on turn 1 to past 85% in long or saturated sessions, and fits ~3× more turns in the same context window. Powered by our o
API Gateway Platforms
MuleSoft's runtime engine for creating APIs and integrating systems for enterprise applications.
Price$1,250+ / month

API Gateway
Portkey is an AI gateway that provides unified API access to 250+ LLMs with built-in load balancing, fallbacks, caching, guardrails, and observability for production AI applications.

Load Balancer Software
NGINX is the world's most popular web server and reverse proxy, handling load balancing, caching, and API gateway functionality for millions of websites.
Price$208.33+ / month

LLM Ops
Unified LLM API gateway and observability platform for monitoring, testing, and optimizing AI applications across multiple providers.
Price$9+ / seat / month

Identity & Access Management
Ory provides open-source identity infrastructure including authentication (Kratos), authorization (Keto), OAuth2 (Hydra), and API gateway (Oathkeeper).