12 Free Mocklets Alternatives Ranked by Real Users (2026)

What is Checkly?

Checkly is an API and end-to-end monitoring tool used by engineering teams to run automated synthetic checks on API uptime, response times, and correctness in production environments. It runs scheduled tests from multiple geographic locations and alerts teams to failures and regressions before ...

What is RakAPIt?

Introducing RakAPIt, the ultimate API testing cloud service for hassle-free testing. With the ability to auto-generate test data and cases, test execution becomes simple and centralized. Thanks to its integration with Swagger (2.0, 3.0), data patterns for testing are automatically generated, ...

What is Meta API?

Introducing Meta API - the ultimate solution for developers wishing to streamline their API integration process while maintaining full control. With our open API, you can easily build automation in a matter of minutes, saving you time and effort. Our platform accelerates coding, authentication, ...

What is APImetrics?

APImetrics is the reliable tool to get accurate and unbiased metrics for APIs that you depend on. Streamline technical tooling and complex development tasks to test different scenarios in various locations and data centers. Monitor production security status around the clock in a stress-free ...

What is Postman?

Postman is an API development and testing platform used by backend developers and QA engineers to design, test, document, and monitor APIs across teams. It centralizes API collections, enables automated test runs, and supports collaboration on shared environments and request schemas. The free ...

What is Stoplight?

Stoplight is the API Management software company. It enable enterprises to rapidly create, manage and monitor their APIs. It give developers a unified toolset for building, testing and monitoring their APIs throughout the development lifecycle to the management of production applications. Using ...

What is Kong?

Kong is API management software, that allows Web and Mobile applications to access data, content and functions published by 3rd party providers. Kong works with any Public or Private API as well as any type of data source including RESTful HTTP services, Web Services, databases, message ...

What is WSO2 API Manager?

WSO2 API Manager is an open source API management platform that enables enterprises to expose their APIs for business-to-consumer and business-to-business services, via a well-designed user interface. A well-designed programmatic interface makes it easy for developers to consume userr APIs from ...

What is MuleSoft Anypoint Platform?

A new generation platform for API Management, Anypoint is designed to help large enterprises develop and manage APIs through an open, standards-based framework. It enables users to create a multi-tenant, multi-vendor network of service repos that can be reached without network or per-user code ...

What is Bandwidth?

Bandwidth is a cloud communications API platform used by enterprise software development and telecom teams to embed voice, messaging, and emergency 911 services directly into applications. Unlike aggregators, it operates its own carrier network, giving businesses more control over call quality, ...

What is Apigee Edge?

Apigee Edge is Google's enterprise API management platform used by large engineering teams to design, secure, and monitor APIs across cloud and hybrid environments. It handles TLS and OAuth security, rate limiting, load balancing, and request/response transformation at the gateway layer. Strong ...

What is DreamFactory?

DreamFactory is an open-source API management platform that auto-generates REST APIs from relational databases, NoSQL stores, and third-party services, used by backend developers and IT teams who need to expose existing data sources as APIs without writing boilerplate code. It handles ...