Best API Gateways in Germany

Tyk is a leading Open Source API Gateway and Management Platform, featuring an API gateway, analytics, developer portal and dashboard. We power billions of transactions for thousands of innovative organisations. By making our capabilities easily accessible to developers, we make it fast, simple and low-risk for big enterprises to manage their APIs, adopt microservices and adopt GraphQL. Whether self-managed, cloud or a hybrid, our unique architecture and capabilities enable large, complex, global organisations to quickly deliver highly secure, highly regulated API-first applications and products that span multiple clouds and geographies.

Manage APIs across clouds and on-premises: In addition to Azure, deploy the API gateways side-by-side with the APIs hosted in other clouds and on-premises to optimize API traffic flow. Meet security and compliance requirements while enjoying a unified management experience and full observability across all internal and external APIs. Move faster with unified API management: Today's innovative enterprises are adopting API architectures to accelerate growth. Streamline your work across hybrid and multi-cloud environments with a single place for managing all your APIs. Help protect your resources: Selectively expose data and services to employees, partners, and customers by applying authentication, authorization, and usage limits.

MuleSoft is an agentic control plane designed to help enterprises govern, orchestrate, and secure AI agents, APIs, applications, models, and data across complex digital environments. The platform supports multi-agent governance, API management, integration, automation, and gateway federation from one unified control plane. With solutions such as MuleSoft Agent Fabric, MuleSoft Omni Gateway, Agent Registry, Agent Scanners, and Agent Broker, organizations can discover agents, manage interactions, reduce shadow AI, and coordinate workflows across ecosystems. MuleSoft also helps teams turn existing APIs and applications into governed tools that AI agents can safely discover and use. Its platform supports developers and business users with natural language development, prebuilt connectors, monitoring, API governance, and integration tools. MuleSoft is built to help enterprises scale AI adoption with stronger compliance, observability, security, and operational confidence.

One complete platform for building, integrating, and exposing your digital services as managed APIs in the cloud, on-premises, and hybrid architectures to drive your digital transformation strategy. Implement industry-standard authorization flows — such as OAuth, OpenID Connect, and JWTs — out of the box and integrate with your existing identity access or key management tools. Build APIs from existing services, manage APIs from internally built applications and from third-party providers, and monitor their usage and performance from inception to retirement. Provide real-time access to API usage and performance statistics to decision-makers to optimize your developer support, continuously improve your services, and drive further adoption to reach your business goals.

Merge is the leading
Unified API platform that enables B2B software companies to add hundreds of integrations to their products—making it easy for them to access and sync their customers’ data. ‍Merge's Unified APIs provide normalized data across key software categories, including accounting, HRIS, ATS, CRM, file storage, and ticketing. Merge also handles the full integrations lifecycle—from an easy initial build that takes just weeks to providing integration observability tools to help your customer-facing teams manage integrations. Thousands of companies—like BambooHR, Ramp, and Ema—trust Merge to power integrations that unblock sales, reduce customer churn, accelerate time to market for new products, and save engineering costs and resources.

Kong Konnect Enterprise Service Connectivity Platform brokers an organization’s information across all services. Built on top of Kong’s battle-tested core, Kong Konnect Enterprise enables customers to simplify management of APIs and microservices across hybrid-cloud and multi-cloud deployments. With Kong Konnect Enterprise, customers can proactively identify anomalies and threats, automate tasks, and improve visibility across their entire organization. Stop managing your applications and services, and start owning them with the Kong Konnect Enterprise Service Connectivity Platform. Kong Konnect Enterprise provides the industry’s lowest latency and highest scalability to ensure your services always perform at their best. Kong Konnect has a lightweight, open source core that allows you to optimize performance across all your services, no matter where they run.

ngrok is the programmable network edge that adds connectivity, security, and observability to your apps with no code changes. Bring security, scalability, and observability to your apps with ngrok's network edge. Put localhost on the internet securely. Introspect and replay requests for a tight feedback loop. Connect into customer networks. No time wasted on firewall rules, VPNs, or change requests. ngrok is the fastest way to put your app on the internet. We run a globally distributed reverse proxy fronting your web services running in any cloud or behind any firewall.

APIPark is an open-source, all-in-one AI gateway and API developer portal, that helps developers and enterprises easily manage, integrate, and deploy AI services. No matter which AI model you use, APIPark provides a one-stop integration solution. It unifies the management of all authentication information and tracks the costs of API calls. Standardize the request data format for all AI models. When switching AI models or modifying prompts, it won’t affect your app or microservices, simplifying your AI usage and reducing maintenance costs. You can quickly combine AI models and prompts into new APIs. For example, using OpenAI GPT-4 and custom prompts, you can create sentiment analysis APIs, translation APIs, or data analysis APIs. API lifecycle management helps standardize the process of managing APIs, including traffic forwarding, load balancing, and managing different versions of publicly accessible APIs. This improves API quality and maintainability.

WunderGraph is an open source, next-generation API platform designed to unify, manage, and accelerate how developers compose, integrate, and serve APIs from diverse backends (such as REST, gRPC, Kafka, and GraphQL) into a single, type-safe, high-performance API surface that modern applications can consume. It includes Cosmo, a full lifecycle API management solution for federated GraphQL that provides schema registry, composition checks, routing, analytics, metrics, tracing, and observability, all manageable via code in your existing development workflows rather than separate dashboards. WunderGraph lets teams define how multiple services should be composed into one API, automatically generate type-safe client libraries, and handle authentication, authorization, and API calls with built-in tooling that fits into CI/CD and Git-centric processes.

FastRouter is a unified API gateway that enables AI applications to access many large language, image, and audio models (like GPT-5, Claude 4 Opus, Gemini 2.5 Pro, Grok 4, etc.) through a single OpenAI-compatible endpoint. It features automatic routing, which dynamically picks the optimal model per request based on factors like cost, latency, and output quality. It supports massive scale (no imposed QPS limits) and ensures high availability via instant failover across model providers. FastRouter also includes cost control and governance tools to set budgets, rate limits, and model permissions per API key or project, and it delivers real-time analytics on token usage, request counts, and spending trends. The integration process is minimal; you simply swap your OpenAI base URL to FastRouter’s endpoint and configure preferences in the dashboard; the routing, optimization, and failover functions then run transparently.

Grafbase is a high-performance GraphQL platform designed to help developers build, unify, and manage APIs by combining multiple data sources into a single federated API layer. It acts as a GraphQL federation gateway that aggregates services such as databases, microservices, REST APIs, and third-party systems into one unified endpoint that applications can query efficiently. Developers can compose a federated graph from multiple independent subgraphs, allowing different teams or services to evolve independently while still presenting a single coherent API to clients. Grafbase includes a schema registry and governance tools that enable teams to manage schema changes, run checks to detect breaking changes, and collaborate on schema proposals before deployment. It also provides analytics, observability, and performance monitoring features that track API usage and help teams optimize their data infrastructure.

Crazyrouter is an AI API gateway that gives developers access to 300+ AI models through a single API key. Compatible with the OpenAI SDK format, it supports GPT-5, Claude, Gemini, DeepSeek, Llama, Mistral, and hundreds more — all at prices up to 50% lower than going direct to providers Key Features: • One API key for 300+ models (OpenAI, Anthropic, Google, Meta, etc.) • OpenAI-compatible API format — zero code changes to switch • Pay-as-you-go pricing with no monthly subscriptions • Built-in load balancing, failover, and rate limit management • Real-time usage dashboard and token tracking • Support for text, image, video, audio, and embedding models • Enterprise-grade uptime with multi-region infrastructure Ideal for developers, startups, and teams who want to experiment with multiple AI models without managing separate API keys and billing accounts.

AIsa is the definitive, all-in-one infrastructure for engineers, enterprise architects, and Web3 developers deploying autonomous agents. We simplify the process by allowing developers to replace 100+ individual API accounts with a single, streamlined payment wallet, making advanced AI-driven commerce and resource routing accessible. Key benefits include high-frequency micropayments, cross-platform capabilities, and a 24/7 autonomous ecosystem. Developer Dashboard: A unified, efficient interface to monitor API usage and fund agent wallets. Multi-Modal Gateway: Seamlessly connect standard LLM reasoning with real-time web search and live data scraping. Skills Marketplace: Access to a curated, pre-built plug-and-play toolbox for rapidly enhancing agent capabilities. Autonomous Foundry: Deploy and scale hosted agent ecosystems without managing backend infrastructure. Focus on agent logic while AIsa handles the complex billing and API management.

Apigene MCP Gateway is the runtime layer that connects AI agents to APIs and MCP servers through the Model Context Protocol. It exposes agent tools, context, skills, and instructions as a single remote MCP endpoint that is fully managed and governed, making MCP native rather than experimental. Apigene provides the full agent foundation layer as one MCP Gateway, allowing agents to securely access APIs and MCP servers without custom glue code or framework-specific logic. Teams can build AI agents using chat, defining which APIs and MCP servers the agent can use, how it should reason, and how it should act without code. It supports intelligent tool selection, automatically matching the right API or MCP tool to each request, and multi-platform deployment across ChatGPT, Claude, Cursor, Gemini, VS Code, internal copilots, enterprise AI platforms, and custom apps.

RouterBase is a unified API gateway that gives developers and teams access to 200+ AI models, including GPT, Claude, Gemini, Llama, Mistral and DeepSeek, through a single OpenAI-compatible endpoint. Instead of maintaining separate keys and billing for each provider, you switch models with one line of configuration. RouterBase adds smart routing, automatic failover across providers, and unified billing, so your application keeps running even when an upstream provider has an outage. A free tier is available with no credit card required.

WisGate is a unified AI API gateway built for developers, creators and teams that need fast access to top AI models without managing separate providers, keys or billing systems. Through one API and an interactive Studio, WisGate supports LLM, image generation, video generation and coding workflows across providers such as OpenAI, Anthropic, Google, xAI and DeepSeek. WisGate is designed for teams that want to build faster, compare models in one place and choose the right balance of quality, speed and cost for each project. Developers can integrate models directly through API calls, while creators and non-technical teams can use Studio to generate text, images and videos in the browser.

Axway Amplify is an API management and intelligent integration platform that helps enterprises govern, secure, publish, and scale APIs across hybrid, multi-cloud, and on-premises environments. It is built around federated API management, allowing teams to manage APIs across different gateways, vendors, clouds, and deployment patterns without replacing existing systems. The platform includes Amplify API Management, Amplify Fusion, Amplify Engage, Amplify AI Gateway, Amplify Management Plane, and Amplify Agents. Amplify helps organizations manage the full API lifecycle, build low-code integration flows, create curated API marketplaces, and prepare API ecosystems for AI-driven use cases. Its AI Gateway adds governance for AI services, including LLM orchestration, prompt protection, access control, and marketplace publishing for MCP servers.

Arya.ai is an enterprise-grade AI platform tailored for financial institutions, offering a comprehensive ecosystem of low‑code/no‑code AI tools and plug‑and‑play APIs. Its Apex API library provides access to over 100 domain‑specific models for NLP, computer vision, predictive analytics, biometric verification (face recognition, liveness detection), OCR, document fraud detection, health vitals scanning, translation, named‑entity recognition, QR code masking, image enhancement, and more. Weave, its AI orchestration layer, enables seamless integration with existing databases, ERPs, and cloud services, facilitating real‑time, secure inference and end‑to‑end governance. Arya supports hybrid deployment (cloud, on‑premise, or edge) and emphasizes regulatory compliance, auditability, low latency, and scalability.

LLMAPI.dev is the fastest way to integrate and switch between large language models, all through a single, unified API. LLMAPI allows you to access models like GPT-4, Claude, Mistral, and more with ease. It streamlines billing, manages rate limits, and offers consistent response formats across different models. With transparent pricing, flexible usage plans, and developer-focused documentation, it’s the most efficient way to work with the latest AI models.