Top FastGateway Alternatives

Apigee

Apigee is an API management platform that helps build, secure, and manage APIs across various environments, offering tools for performance monitoring and analytics.

Kong

Kong is an API management platform that simplifies the development, deployment, and monitoring of APIs across various environments and architectures.

Apiable

Apiable simplifies API management by providing tools for monitoring, integration, and security in a user-friendly platform.

LLM Gateway

LLM Gateway provides a unified API for managing and analyzing LLM requests across multiple providers, with features for usage tracking and access controls.

APItoolkit

APItoolkit is a platform for managing APIs with features like monitoring, error tracking, integration support, security, and testing to improve efficiency and reliability.

AnyApiAI

A unified API platform for accessing 400+ AI models, with routing, retries, analytics, and tools to test and manage AI app integrations.

OfoxAI

Unified API gateway for accessing 100+ AI models from providers like OpenAI, Anthropic, and Google through one key and compatible SDKs.

APIGate

APIGate manages and secures API traffic: routes requests to backends, enforces authentication and authorization, applies rate limiting/throttling, and provides caching and load balancing.

Experiential Labs

An open-source AI gateway for accessing, routing, and managing hosted, self-hosted, and custom-key models through one API, with permissions, usage limits, monitoring, and spend tracking.

APIMart

APIMart provides a unified AI API offering access to 500+ models (e.g., GPT-5, Claude Sonnet 4.5), with an OpenAI-compatible interface, lower costs, faster responses, and developer-friendly integration.

Unkey

Unkey is an API management tool that adds API keys, rate limiting, and usage analytics to enhance security and performance for developers.

ModelRiver

A unified API gateway for multiple LLM providers offering streaming responses, configurable settings, routing, rate limits, failover, built-in packages, and usage analytics.

Tyk

Tyk is an open-source API management platform that provides tools for API gateway, analytics, security, and developer support for various communication protocols.

WunderGraph Cosmo

WunderGraph Cosmo is an open-source platform for managing Federated GraphQL APIs, offering schema validation, routing, analytics, and customizable deployment options.

Zuplo

Zuplo is an API management platform that enables developers to implement authentication, rate limiting, and documentation easily through a serverless API gateway.

Corrath

Corrath secures and manages AI requests through a unified gateway, with API key protection, threat detection, usage monitoring, cost controls, multi-provider routing, and failover.

WunderGraph Cloud

WunderGraph Cloud simplifies modern app development by managing APIs and data, enabling easy deployment and scaling through git integration and serverless features.

OrcaRouter

OpenAI-compatible API gateway that routes prompts across 200+ models from multiple providers, with fallback, cost tracking, and one unified endpoint.

Blobr

Blobr is a developer portal for distributing APIs, allowing customizable access and monetization, while providing user analytics and a streamlined interface.

Stellate

Stellate helps manage GraphQL APIs by caching queries, analyzing usage, and securing against malicious activities.

ApiTraffic

ApiTraffic helps organizations monitor, analyze, and secure API traffic to optimize performance, manage load, and enhance collaboration.

The Guild

The Guild app provides tools and support for managing and securing GraphQL APIs, offering resources for integration, performance, and community-driven development.

Elva

Elva discovers, documents, tests, and governs APIs from source code, then publishes them for developers and AI agents with access controls and usage monitoring.

Callio

Callio is a unified API gateway for AI agents that proxies multiple APIs via one key, handling authentication, usage tracking, rate limits, and billing, with a free tier.

GTWY.AI

Provides a single API to access, switch, and manage multiple AI/LLM models and providers, with request routing, monitoring, embeddings, cost tracking, and failover controls.

APILayer

APILayer is an API marketplace offering cloud-based API products for developers and businesses, facilitating API management and integration.

KnotAPI

KnotAPI enhances products by adding revenue features and connecting users to many merchants.

EUrouter

EUrouter provides a unified, OpenAI-compatible API for accessing and routing AI models through EU-hosted infrastructure, with controls for privacy, usage, and monitoring.

SingleAPI

SingleAPI allows users to transform web content into a custom API and extract data in JSON format using GPT-4 technology.

CoreCtic AI

AI proxy and analytics platform that connects multiple language model providers, routes requests, reduces costs with semantic caching, and monitors usage, performance, and client billing.