Best On-Premises API Management Software of 2025

Engineered for peak performance and efficient resource use, KrakenD can manage a staggering 70k requests per second on just one instance. Its stateless build ensures hassle-free scalability, sidelining complications like database upkeep or node synchronization. In terms of features, KrakenD is a jack-of-all-trades. It accommodates multiple protocols and API standards, offering granular access control, data shaping, and caching capabilities. A standout feature is its Backend For Frontend pattern, which consolidates various API calls into a single response, simplifying client interactions. On the security front, KrakenD is OWASP-compliant and data-agnostic, streamlining regulatory adherence. Operational ease comes via its declarative setup and robust third-party tool integration. With its open-source community edition and transparent pricing model, KrakenD is the go-to API Gateway for organizations that refuse to compromise on performance or scalability.

MindCloud is not only a modern iPaaS but also provides a full service solution for small and medium sized businesses that doesn't require you assigning technical staff to the project. We have over 50 pre-built connectors and can add any new software platform that has an API or allows automated import/exports. We also support EDI and FTP integrations. Some of our features connectors are: Salesforce, Monday.com, Hubspot, QuickBooks Desktop, QuickBooks Online, Method:CRM, Zapier, Walmart, Amazon, Overstock, Ebay, Groupon, Mercado Libre, HSN, Airtable, Google Sheets and many, many others. Automate all of your business process with MindCloud. Eliminate double data entry. Integrate your business. Simplify your life.

People Data Labs provides B2B data to developers, engineers and data scientists. It provides a dataset with resume, contact, demographic, and social information for more than 1.5 billion unique individuals. PDL data can be used for building products, enriching profiles, and enabling AI and predictive modeling. APIs are used to deliver it to developers. PDL only works for legitimate businesses, whose products aim to improve the lives of people. Its data is crucial for companies who are forming data departments, and focusing on the acquisition of data. These companies require clean, rich and compliant data on individuals to protect themselves.

It takes only days to wrap any data source with a single reference Data API and simplify access to reporting and analytics data across your teams. Make it easy for application developers and data engineers to access the data from any source in a streamlined manner. - The single schema-less Data API endpoint - Review, configure metrics and dimensions in one place via UI - Data model visualization to make faster decisions - Data Export management scheduling API Our proxy perfectly fits into your current API management ecosystem (versioning, data access, discovery) no matter if you are using Mulesoft, Apigee, Tyk, or your homegrown solution. Leverage the capabilities of Data API and enrich your products with self-service analytics for dashboards, data Exports, or custom report composer for ad-hoc metric querying. Ready-to-use Report Builder and JavaScript components for popular charting libraries (Highcharts, BizCharts, Chart.js, etc.) makes it easy to embed data-rich functionality into your products. Your product or service users will love that because everybody likes to make data-driven decisions! And you will not have to make custom report queries anymore!

A powerful iPaaS platform for integration and business process automation. Linx is a powerful integration platform (iPaaS) that enables organizations to connect all their data sources, systems, and applications. The platform is known for its programming-like flexibility and the resulting ability to handle complex integrations at scale. It is a popular choice for growing businesses looking to embrace a unified integration strategy.

Unleash is an open-source feature management software, built with large enterprises in mind. It's private, secure, scalable, and ready for the most complex setups out-of-the-box. Open Smoothly integrate Unleash with your favorite programming languages. Unleash is technology-stack agnostic, transparent, and open-source. Scalable Build multiple environments, each on separate instances, wherever they're located on the globe. Powerful Easily customize Unleash to your most specific use cases. Build what you need on top of a clean, powerful UI with an API-first design. Secure Keep your user data safe through privacy by design, data residency, private instances, and flexible hosting options.

Continuous integration along with deployment slots allows you to link your preferred version control system to your API, enabling automatic deployment of commits, which simplifies the process of implementing code changes significantly. You can advance your API to production, conduct tests on a duplicate of your application provided by deployment slots, and seamlessly shift traffic to the updated version without experiencing any downtime. For enhanced security, your API can be secured with just a few clicks via Azure Active Directory, social media single sign-on, or OAuth, eliminating the need for code modifications while ensuring that the sign-on SDKs for your services are always current. Additionally, establish on-premises connectivity to link your API with your corporate or local network, utilizing connections that offer enterprise-level security, allowing you to serve APIs on your intranet as if they were operating locally, or to interface with existing internal network resources effectively. This comprehensive approach not only streamlines deployment but also enhances security and connectivity, making it easier for businesses to manage their API environments.

APILayer is an API marketplace which lists third-party and proprietary APIs and makes them accessible to developers and businesses of all sizes. APILayer makes it easy to get secure, scalable APIs. APILayer only lists the most reliable APIs on a topic. You can test the APIs by downloading a demo from the marketplace. The APIs are guaranteed to be up and running at 99.9% with subscription-based support. APILayer can help you increase the power of your app!

Manage APIs seamlessly across both cloud environments and on-premises systems: Alongside Azure, implement API gateways in conjunction with APIs hosted in various cloud platforms and local servers to enhance the flow of API traffic. Ensure that you meet security and compliance standards while benefiting from a cohesive management experience and comprehensive visibility over all internal and external APIs. Accelerate your operations with integrated API management: Modern enterprises are increasingly leveraging API architectures to foster growth. Simplify your processes within hybrid and multi-cloud settings by utilizing a centralized platform for overseeing all your APIs. Safeguard your resources effectively: Choose to selectively share data and services with employees, partners, and clients by enforcing authentication, authorization, and usage restrictions to maintain control over access. By doing so, you can ensure that your systems remain secure while still allowing for collaboration and efficient interaction.

Ambassador Edge Stack, a Kubernetes-native API Gateway, provides simplicity, security, and scalability for some of the largest Kubernetes infrastructures in the world. Ambassador Edge Stack makes it easy to secure microservices with a complete set of security functionality including automatic TLS, authentication and rate limiting. WAF integration is also available. Fine-grained access control is also possible. The API Gateway is a Kubernetes-based ingress controller that supports a wide range of protocols, including gRPC, gRPC Web, TLS termination, and traffic management controls to ensure resource availability.

The CData API Server makes it easy to create and deploy data-driven APIs. API Server allows users to create APIs that provide back-ends to internal applications, enable mobile development projects, expose data and deploy microservices of enterprise-class quality. The API Server is an application that comes with everything you need to create, manage, secure, and run APIs. It does not require any custom development. It allows you to create and distribute self-contained API endpoints on-premise and to the cloud. These endpoints can connect to any database or application and translate REST, JSON and OData API calls into your IT resources. API server includes API-critical features such as access-control, data security monitoring and management. It is a powerful tool that can modernize your back-end infrastructure. Download a 30-day free trial of CData API Server or learn more at: https://www.cdata.com/apiserver/

DronaHQ is a powerful low-code/no-code platform that enables businesses to build, deploy, and manage custom applications at scale. Key features include: - Customizable UI components - 10x faster app development - Seamless integration to any existing tech stack - Scalable cloud-based architecture - Over 50 Engineering Support Hours (UVP) DronaHQ saves precious developer hours, protect LTV, and reduce churn for enterprises. Developers and engineering teams use this platform to create admin panels, CRUD apps, GUI for Databases or APIs, forms, dashboards & operational apps.

Directus is an Open Data Platform that allows you to manage any SQL database's content. It offers a powerful API layer to developers and an intuitive app for non-technical users. Directus is written entirely in JavaScript (primarily Node.js or Vue.js), and it is modular and extensible. This allows it to be tailored to your specific project needs. Our platform can be used to manage digital experiences as a headless CMS, a database client for democratizing information, or as a standalone web app for back-office CRM, inventory, business intelligence and project management.

CData Arc, a leading B2B software and data connectivity solution, is used for secure managed file transfer (MFT), EDD processing and back-office integration. It connects enterprise applications such as CRMs, ERPs and RDBMS to automate complex processes. The application supports file transfer via a wide range of B2B messaging protocols, including AS2, AS4, OFTP and SFTP. Arc also supports interactive EDI mapping, translation and support for all major EDI protocols and standards such as X12 or EDIFACT. The codeless visual interface allows users to create complex workflows by using drag-and-drop workflow management. Drag-and-drop can also be used to transform data, allowing users to map data between formats such as JSON, XML and CSV. Get a 30-day free trial or more information on our website

You can use your favorite debugging software to locally troubleshoot your Kubernetes services. Telepresence, an open-source tool, allows you to run one service locally and connect it to a remote Kubernetes cluster. Telepresence was initially developed by Ambassador Labs, which creates open-source development tools for Kubernetes such as Ambassador and Forge. We welcome all contributions from the community. You can help us by submitting an issue, pull request or reporting a bug. Join our active Slack group to ask questions or inquire about paid support plans. Telepresence is currently under active development. Register to receive updates and announcements. You can quickly debug locally without waiting for a container to be built/push/deployed. Ability to use their favorite local tools such as debugger, IDE, etc. Ability to run large-scale programs that aren't possible locally.

Treblle is a federated API Intelligence platform that unifies API visibility, governance, and security in a single enterprise-grade solution. Designed for complex environments, Treblle connects seamlessly through one integration and supports deployment on-prem or in private cloud—meeting even the strictest regulatory and data residency requirements. Once integrated, Treblle instantly maps your entire API landscape with automatic discovery, generating real-time inventories and eliminating shadow APIs. Its observability tools track every request and response, surfacing performance issues, anomalies, and SLA breaches across all services. Advanced analytics give teams insights into traffic, latency, endpoint usage, and client behavior, making debugging, optimization, and scaling easier and 15 times faster. Security is built-in, not bolted on. Treblle provides runtime protection, threat detection, schema validation, and governance policies to safeguard APIs across environments. It empowers DevOps and platform teams to implement shift-left strategies and enforce consistent practices across the lifecycle. With its AI-powered Integration Assistant, Treblle simplifies onboarding and improves developer workflows. Whether you’re running internal microservices or customer-facing APIs, Treblle gives you the clarity and control to move faster, reduce risk, and scale with confidence.

DreamFactory is a REST API Management Platform. Auto Generate REST APIs. A cloud-based or on-premise API generation platform that is enterprise-grade. Instantly generate database APIs to build faster applications. The biggest bottleneck in modern IT is eliminated. Your project can be launched in weeks instead of months. DreamFactory creates a secure, standardized and reusable, fully documented, live REST API. DreamFactory can integrate any SQL or NoSQL file storage system or SOAP service. It instantly creates a RESTAPI with Swagger documentation, user role, and more. Every API endpoint is secured with User Management, Role Based Access Controls, SSO Authentication and Swagger documentation. Rapidly create mobile, web and IoT apps using REST-based APIs. DreamFactory offers example apps for iOS, Android and Titanium.

Aspose.Total is the ultimate collection all.NET class libraries under one umbrella. Our APIs integrate seamlessly into your ASP.NET, VB.NET and C# applications. They allow you to manipulate text documents, spreadsheets and presentations, as well as images, barcodes, barcodes, barcodes, images and CAD drawings. You can also perform OCR/OMR on documents of other formats. Aspose.Total.NET allows you to programmatically provide features similar to Microsoft Word, Microsoft Excel, Microsoft Project, Microsoft Publisher®, Microsoft Publisher®, Microsoft Publisher®, Adobe Acrobat®, Adobe Photoshop®, AutoCAD()® and other front-line commercial applications without the need to install any third-party components or software. Aspose.Total allows developers to create their own web applications and Windows apps to address the needs of document processing, online collaboration and task/project management.

Experience stunning API documentation that is cherished by both teams and users alike. Finally, you can create API documentation that your entire team can take pride in. In mere seconds, you can publish visually appealing API reference documents and customize them in just a few minutes. Instantly satisfy developers with essential features such as three-panel layouts, an interactive try-it console, automatically generated code snippets, SEO optimization, and an intuitive search function. Everyone knows that outdated documentation and scope creep can lead to frustration. Keep your API documentation up-to-date by integrating your preferred source control with our cloud-based workflows. Our platform is compatible with a wide range of options, including on-premise solutions and various API management systems. Set up a comprehensive developer portal within minutes by leveraging your API definitions as valuable assets. Enhance the experience with tutorials, quick-start guides, and developer tools, all while enjoying extensive customization options. Ensure your API definitions are validated, linted, and bundled seamlessly, allowing for the creation of consistently on-spec OpenAPI documents. Connect your API reference and tailor every detail to impress your API consumers, ultimately fostering a more engaging and productive environment for developers. With these capabilities, your documentation will not only serve its purpose but also become a pivotal resource for ongoing collaboration.

Oversee the entire API lifecycle, implement across various cloud environments, facilitate digital transformation, and maintain compliance, all through a single API platform. As organizations strive to enhance their connections with customers and partners, robust API management has become an essential component of digital transformation efforts. Akana offers a comprehensive API management solution that encompasses the design, implementation, security, management, monitoring, and publication of APIs. Ideal for large, varied enterprises and collaborative API partner networks, Akana can be deployed seamlessly across cloud platforms and on-premises, allowing customers to deploy securely via an integrated no-code portal while also providing in-depth business analytics. Users can generate valuable insights from API traffic with customizable analytic reports, and further engage with their communities through specialized developer portals. This multifaceted approach not only streamlines API management but also fosters collaboration and innovation across the organization.

Utilihive, a cloud-native big-data integration platform, is offered as a managed (SaaS) service. Utilihive, the most popular Enterprise-iPaaS (iPaaS), is specifically designed for utility and energy usage scenarios. Utilihive offers both the technical infrastructure platform (connectivity and integration, data ingestion and data lake management) and preconfigured integration content or accelerators. (connectors and data flows, orchestrations and utility data model, energy services, monitoring and reporting dashboards). This allows for faster delivery of data-driven services and simplifies operations.

AutoStub® serves as a vital resource for accelerating the process of API development. By enabling rapid design, prototyping, documentation, and testing of APIs, it can drastically cut down on build times. The tool generates a working mock that empowers developers to interact with APIs prior to their complete implementation. This innovative solution is offered as a Software as a Service (SaaS), available for On-Premise installations, and can also function in a hybrid deployment model. Notable Features: - Simulates both ReST and SOAP services effectively. - Utilizes Swagger files for ReST and WSDL files for SOAP services as input formats. - Supports standard HTTP methods, including GET, POST, PUT, and DELETE for ReST operations. - Allows for the creation of WSDL/Swagger 2.0-compliant mock services and generates dummy data for thorough API testing. - Provides an endpoint URL compatible with third-party SOAP client tools. - Enhances quality assurance by facilitating functional testing processes. - Capable of managing multiple test scenarios simultaneously, ensuring comprehensive coverage in testing. In essence, AutoStub® not only streamlines API development but also contributes to a more efficient and robust testing environment.

SAP Integration Suite is a robust integration platform as a service (iPaaS) that facilitates the seamless connection of both on-premise and cloud-based applications and processes through a variety of tools and prebuilt content curated by SAP. By utilizing these tools and prebuilt resources, organizations can effectively tackle a wide array of integration challenges, which encompass integration flows, connectivity to third-party solutions, and managing APIs. This platform enables enterprises to connect and personalize experiences, fostering a culture of innovation that begins with integration. It empowers users beyond just central IT, allowing for greater flexibility and creativity in integration processes. The iPaaS solution provides a cloud service designed for various integration scenarios, including application, data, process, and service-oriented architecture (SOA) integrations. As a multitenant platform, it supports diverse integration types such as cloud-to-cloud, cloud-to-on-premise, on-premise-to-on-premise, and B2B integration. Moreover, it is optimized for real-time integration, ensuring that it can scale to accommodate the high-volume demands of mobile applications and electronic data interchange environments, thus enhancing operational efficiency across the board. This versatility makes SAP Integration Suite an essential tool for organizations looking to streamline and enhance their integration strategies.

An open-source framework designed to assist in the architecture, development, and deployment of solutions utilizing serverless infrastructure is available. This self-hosted serverless content management system features a headless GraphQL API, efficient asset management, and a no-code builder tailored for creating static pages and forms. It offers scalability and cost-effectiveness, ensuring that your projects can grow as needed. With its integrated prerendering services, your web pages become easily indexable by search engines, enhancing visibility. Additionally, it allows for the management of digital assets, including the ability to resize and serve images in various resolutions. Flexibility is a key aspect, enabling you to modify and expand any component of the system through custom plugins and tailored business logic. Furthermore, numerous built-in performance enhancements ensure that your websites remain fast and capable of handling increased traffic efficiently. This combination of features empowers users to create robust and high-performing web solutions.

Quickwork is used by enterprises to create simple and complex workflows. It also allows them to create and publish APIs that are secure, and to manage conversational interactions between employees, customers, and partners. This helps to provide an excellent user experience. Quickwork is an all-in one platform that provides the tools and services needed to build powerful and scalable integrations. It also offers serverless APIs and conversational experiences. Drag and drop applications to create powerful integrations. No need to write a line of code. You can choose from 1000s of apps for business, consumer, analytics, messaging and IoT. Quickwork's API Management allows you to convert any workflow into an REST API in a single click. Our serverless infrastructure allows you to scale your APIs elastically and securely. Create and manage real-time messaging and conversational workflows across multiple channels with human agents, IoT devices, and chatbots.