Best Free API Management Software of 2024

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.

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.

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.

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.

Tyk is an Open Source API Gateway and Management Platform that is leading in Open Source API Gateways and Management. It features an API gateway, analytics portal, dashboard, and a developer portal. Supporting REST, GraphQL, TCP and gRPC protocols We facilitate billions of transactions for thousands of innovative organisations. Tyk can be installed on-premises (Self-managed), Hybrid or fully SaaS.

We reinvent API management for everyone, from startups to enterprise. Add authentication, analytics and developer documentation in minutes. Zuplo can help you protect your API in minutes by adding rate-limiting. You can also add more than 50 plugins, such as authentication, to your APIs with just one click. Zuplo is built on the edge, and has been deployed in +300 data centres around the world. This makes multi-cloud deployments a first-class experience. Zuplo allows you to run different workloads on different clouds, while maintaining a uniform set of API policies. Zuplo is the only gateway that runs OpenAPI directly. Use the OpenAPI ecosystem for your API and deploy it directly to Zuplo. Zuplo generates beautiful documentation for your API. You can customize your docs using markdown, and developers can self-serve their API Keys right from the docs.

Qorus Integration Engine® is the only transaction-sure automation platform for enterprises to simply connect their in-house, cloud and operational technology. Combining easy configuration of business processes with fault tolerant orchestration and error recovery, Qore helps enterprises meet the challenge of rapidly bringing new services to market in a time of increasing innovation and industry change. Qore is trusted by world leading companies to help them reimagine their business processes and innovate faster. Qorus includes AI automation, fault tolerant workflows, native Python - Java language integration, and a data provider API that automatically introspects and interfaces with any system independently of the underlying API or integration technology. Qorus is available as both a paid enterprise edition and a FREE, fully functional community edition.

Manage APIs on-premises and in clouds: To optimize API traffic flow, you can also deploy Azure API gateways alongside APIs hosted on-premises or in other clouds. Enjoy a unified management experience that allows for full observability across all APIs, and meet compliance and security requirements. Get more done faster with unified API management To accelerate their growth, today's innovative companies are using API architectures. You can streamline your work in multi-cloud environments by having one place to manage all your APIs. Protect your resources! By applying authentication, authorization, or usage limits, you can selectively expose data and services to employees, customers, and partners. More

Xano offers a fully-managed, scaleable infrastructure that powers your backend. You can also quickly create the business logic that powers your backend with Xano without writing a single line or use one our pre-made templates to launch quickly and without compromising security or scale. You can quickly create custom API endpoints with just one line of code. Our out-of-the box CRUD operations, Marketplace extensions and templates will accelerate your time to market. Your API is "ready-to use" so you can connect to any frontend immediately and concentrate on your business logic. Swagger automatically documents everything so that you can connect to any frontend easily. Xano uses PostgreSQL, which offers the flexibility of a relational and the Big data needs that a NoSQL solution. You can add features to your backend with just a few clicks. Or, you can use pre-made templates and extensions to jumpstart the project.

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.

MSG91, a cloud communication platform, helps businesses and developers seamlessly add communication to services and software via communication APIs (SMS. Email, Voice. RCS. WhatsApp and many more) and ready-to use solutions like Cloud contact center or customer segmentation products.

One platform to build, integrate, and expose your digital services as managed APIs in cloud, on-premises and hybrid architectures to support your digital transformation strategy. Integrate with your existing identity access and key management tools to implement industry-standard authorization flows, such as OAuth Connect, OpenID Connect, or JWTs. You can create APIs using existing services, manage APIs both from third-party providers and internally built applications, and monitor their usage, performance, and retirement. To optimize your developer support, improve your services and drive adoption, you can provide real-time access API usage and performance statistics for decision-makers.

Apiway.ai, a free integration platform, allows you to find the right b2b program and integrate it with other cloud apps in just 5 minutes.

Boss Insights provides global leading access to business customers’ financial data with a single connection to accounting, banking, commerce, payroll, tax and more (i.e. Quickbooks, Stripe, SalesForce, etc.). It’s used by fintechs and neobanks to gain 60% increased automation, 100% automated scoring, 51% faster funding and 5x faster renewals.

Collaboration platform for API development. You can simplify each step of building an app and streamline collaboration to create better APIs faster. Postman is an API development platform that allows you to collaborate with other users. Postman's features make it easier to build an API. They also streamline collaboration, so you can create better APIs faster. Postman allows you to quickly and easily send SOAP, REST, and GraphQL queries directly from Postman. Automate manual testing and integrate them into your CD/CI pipeline to ensure that no code changes will cause API problems in production. Simulating endpoints and the responses of APIs without needing to set up a backend server allows you to communicate the expected behavior. To make your API easier to use, generate and publish beautiful, machine-readable documentation. Keep track of the health of your API's performance and response times at regular intervals to keep you informed. Collaborate in real-time by creating a shared environment for API building and consumption.

One platform, infinite ways for you to connect with your customers and employees. Any app can be made authable. Okta can help you create secure and delightful experiences quickly. Okta's Customer ID products can be combined to create the stack you need. This will provide security, scalability and reliability. Protect and empower your employees, contractors, partners. Okta's workforce identification solutions will protect your employees no matter where they are. You will have the tools you need to automate cloud journeys and support hybrid environments. Okta is trusted by companies around the globe to protect their workforce identities.

Apidog is an integrated set of tools for the entire API Lifecycle. It helps R&D teams to implement best practices in API Design-first Development. Visually design and debug APIs. JSON Schema Support makes it easy to describe and debug APIs. Apidog's automated API lifecycle includes test generation based on API specs, visual assertions, built-in validation of responses, and CI/CD. Create visually appealing API documentation. Publish to a custom domain, or securely share with collaborative team. Local and cloud mock engines generate reasonable mock data based on field names and specifications, without writing scripts. Quality tools can unite your team and ensure that no task is repeated. Easily describe your API while you test it and generate JSON/XML Schemas with a single click. Create test cases using APIs, add assertions and create scenarios with branches and iterations.

With industry-leading IBM API Connect, you can expertly secure and manage all aspects of your API ecosystem across multiple cloud platforms. This includes boosting socialization efforts and monetization efforts. IBM API Connect®, a complete, intuitive, and scalable API platform, allows you to create, securely expose and manage APIs across multiple clouds. This allows you and your customers to power digital applications and encourage innovation. IBM API Connect can also be used with other capabilities as an IBM Cloud Pak®, which can help you reach your application modernization goals in your journey to the cloud. IBM API Connect security is built using the advanced IBM(r] DataPower(r] Gateway. It comes with a single, signed and encrypted gateway that greatly reduces the risk of cybersecurity incidents. IBM API Connect has 22% market share, more than any competitor1.1 It's a trusted API solution that manages and protects services and data across multiple cloud 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!

holidays.rest offers accurate and comprehensive holiday data with lightning-fast delivery, catering to customers of all sizes. Access details on national, public, and religious holidays for over 190 countries in just milliseconds through our RESTful API.

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.

Backendless is a Visual App Development Platform, (VADP). It combines API, user and database management functionality with a user friendly, web-based interface. Backendless allows you to send push notifications and emails, and also supports geolocation-based and real-time chat. Backendless applications can be customized using either code written by hand or our Codeless logic creator. The platform can be installed on our cloud servers, or on your private servers. You can create fully functional web and mobile applications with the Backendless UI Creator. The UI Builder can be used. Backendless integrates seamlessly with any client-side environment. It automatically transforms data to the correct format for the frontend operating systems. Backendless databases can be connected to other databases. This allows you to keep existing data sources and manage them using Backendless' intuitive interface.

SyncTree strives to be a "Super Connecting Platform" that can easily connect any services you want. With SyncTree, which consists of SyncTree STUDIO, a solution for building backend business logic with block coding, and Block Store, a platform for buying and selling pre-made backend function blocks like App Store, you can organically utilize data and connect services to achieve unlimited service expansion.