Checkly alternatives

Freemium 23 alternatives

Official website

Checkly is an online E2E and API testing, monitoring, and analyzing tool that you can use to check the Slack performance, its programming code, and JavaScript. You can monitor and validate website transactions, collect error logs, performance, speed, and browser tests. This benefits you catch the bugs even before they hit the production. Additionally, its collaborative feature lets you work in a joint environment and communicate with your team continuously for better development.

Moreover, it also provides automatic authentication for users by doing away with many common operations such as setting passwords and distributing them to clients. Integrate your workflows into developer tools like JavaScript, GitHub, Prometheus, Terraform, etc. Display a public dashboard on your site or in-office mounted TV hosted on your company domain. All in all, Checkly is a great tool that you can consider among its alternatives.

Ranked alternatives

1
RunscopePaid
Runscope allows business users to automate API testing, debugging, and documentation in order to create scalable, secure, and stable applications. The tool makes it possible without the need for developers or CTOs to invest in new tools or staff. The only thing required is a functional URL that will connect the application with the public API being tested. This simple connection between Runscope and the URL gives access to any APIs exposed by that URL, no matter how complex they are.
The result is automated testing and troubleshooting with just a few clicks. This reduces cost, improves productivity, and helps organizations grow their digital transformation strategies. Highlighting features include built-in Syntax Highlighting, Code Comparison & Analysis, Scalability with Preloaders, Post-session Visualization of Data & Trends. All in all, Runscope is a great tool that you can consider among its alternatives.
Runscope alternatives
2
HttpMasterFreemium
HttpMaster is a web development tool to automate testing of RESTful web services, API applications, and websites. It’s intended to provide you with an opportunity to practice your own ideas or do something more challenging without spending hours writing the code for small or medium tasks. The application that you are testing should have one public endpoint and at least one other endpoint accessible only by the server administrator.
The default public endpoint will serve all requests without authorization, the second one will return a 404 error code if there are no route parameters provided and request parameters are provided empty. Other notable features include features HTTP mock & requests builder, synchronous requests & real responses testing, strict transport security, browser test mode with HTML page compression test, etc. All in all, HttpMaster is a great tool that you can consider among its alternatives.
HttpMaster alternatives
3
HoppscotchFree
Hoppscotch is a collaborative editor for RESTful APIs that enables clients to design and view interactions with a target API as easy as possible. It makes working with an API feel natural and frictionless by translating it into a simple clickable object diagram. Hoppscotch automatically updates interactions as changes are made to the underlying data model, giving users immediate feedback on the effect of their actions. This allows you to get instant visual feedback about what they’re doing, helping you understand how the system works.
It also supports drag-and-drop operations for fast iteration of interaction diagrams, with support for component libraries for reusable visual elements. The software uses client-side processing to limit network load and latency, providing interactive user interfaces without requiring server side processes. It can run locally or remotely, using sockets or WebSockets. All in all, Hoppscotch is a great tool that you can consider among its alternatives.
Hoppscotch alternatives
4
Advanced REST Client (ARC)Free
Advanced REST Client (ARC) is a generic HTTP client that enables simple, full-duplex communication with the most common REST API interfaces. The aim of this tool is to make a good choice between client and server API for developers who are looking for good support of many commonly used standards and extensions, with only a few modifications required to their applications. It supports different network protocols such as JSON-RPC and GJSON and serialization formats such as YAML, XSD, XML, SOAP, etc.
ARC also makes it easy to send requests using different methods or URI schemes. It has some facilities for providing automatic responses for web applications to avoid round-trips and delays in the server response. With its powerful scripting, you can use variables to execute string or mathematical functions that reduce time when working with repetitive tasks. All in all, Advanced REST Client (ARC) is a great tool that you can consider among its alternatives.
Advanced REST Client (ARC) alternatives
5
RestCasePaid
RestCase is a specification-driven architecture that automates the testing of APIs and RESTful services. The tool can greatly improve the productivity of developers while ensuring quality by taking care of issues related to the interaction between components, dependency injection, business logic, unit testing, load testing, security, cross-cutting concerns, error handling, versioning, monitoring, etc.
RestCase helps build robust APIs in less time by providing higher levels of documentation and enforcing higher-level design rules through stricter typing. Moreover, it also provides automatic authentication for users by doing away with many common operations such as setting passwords and distributing them to clients. Features like this show how RestCase simplifies building complex services while maintaining their integrity. All in all, RestCase is a great tool that you can consider among its alternatives.
RestCase alternatives
6
BearerFree
Bearer is an API authentication tool that provides a general framework for utilizing the web-resource control capabilities of browsers and applications. It does so without having to provide any specific infrastructure or rely on an intermediary entity to act as a trusted source of identity. You can implement this to one-time password systems, simple federated login protocols, user agent web browser extensions, etc.
Bearer authentication schemes make use of browser storage mechanisms and public-key cryptography to create cryptographically secure messages for clients and servers. All in all, Bearer is a great tool that you can consider among its alternatives.
Bearer alternatives
7
AssertibleFreemium
Assertible is an API testing and monitoring tool that can be used with continuous integration and web services. Assertible is developed as a web application framework for service discovery and service monitoring. The framework comes with pre-built RESTful services for performing these tasks, such as accessing RabbitMQ messages, viewing the responses to GET requests, checking whether or not a given path exists, etc. These services have also been tested using tools such as Serf, Weka, KQML, Rspec, Rysomemap, cURL, PhantomJS, and AWS EC2 instances.
With this tool, you can test RESTful web services, perform load testing using machine learning, handle asynchronous calls that return JSON data, and generate data visualization reports. Other notable features include provisioning new tests in minutes by running pre-defined actions, provisioning different HTTP endpoints, testing different scenarios without manually editing each endpoint, parallel tests across multiple nodes, etc. All in all, Assertible is a great tool that you can consider among its alternatives.
Assertible alternatives
8
API FortressPaid
API Fortress (currently acquired by Sauce Labs) is a high-level API test harnessing and monitoring tool that lets you mass generate functional tests quickly. The highlighting features are REST/JSON request parsing, schema validation, coverage analysis, dynamic documentation generation, request caching, error handling, security verification, load testing, authentication, rate limiting, unit testing, and assertion reporting. The most significant feature of API Fortress is its ability to parse JSON/ REST API responses from within the DSL itself.
There are many things that you can do with this capability, such as asserting specific data fields on every JSON response and tracing what is happening inside your application code by outputting arbitrary JSON into your system under test. Moreover, you can also force any non-standard HTTP method to be used in your tests. Expose application service logs for more detailed inspection. Run static analysis of applications to spot defects before they cause harm. All in all, API Fortress is a great tool that you can consider among its alternatives.
API Fortress alternatives
9
Apibucket.ioFree
Apibucket.io is a cloud-based open-source software that enables development teams to collaborate and accelerate their product delivery cycles. This is done by creating online API docs for APIs, platforms, libraries, tools, systems, or anything else that produces output that can be exposed over HTTP. The tool allows developers to rapidly develop a common interface for all their APIs without sacrificing individuality and versioning control.
Apibucket.io offers the easiest possible experience for you to generate documentation for APIs in any combination of programming language, markdown language, document structure, etc. The aim is to reduce the barriers to using APIs by empowering developers to publish and consume APIs more quickly and at a lower cost. All in all, Apibucket.io is a great tool that you can consider among its alternatives.
Apibucket.io alternatives
10
CurlHub.ioFreemium
CurlHub.io is an API traffic inspection tool that allows you to visualize responses from any application that uses a REST API. It allows to query and filter of a huge set of HTTP responses with rich text UI and interactive diagrams. This enables the ability to explore complex systems by inspecting individual request and response messages, providing full access to headers, cookies, content types, bodies, entity structures, error codes, links, redirections, images, multipart/form-data, etc.
The library can also output XML or JSON data in real-time and render custom visualizations of response payloads. CurlHub is an all-in-one tool to quickly view HTTP responses for a better understanding of applications’ behavior and easily develop test cases for different request types. All in all, CurlHub.io is a great tool that you can consider among its alternatives.
CurlHub.io alternatives
11
SoapSonarFreemium
SoapSonar is a lightweight software testing and diagnostics tool for SOAP, XML, and REST-based Web Services. It allows tracing HTTP messages sent between the service client and the service server, giving valuable information about their status and reliability. The tool can be used for application monitoring, QA testing, traceability, health monitoring, fault isolation, troubleshooting, API verification, etc.
The whole test process is represented in a GUI interface that allows setting up test parameters, simulating real-world events, collecting data, analyzing results, and debugging problems. It provides functionality for multi-user cooperation and integrates with many tools such as LoadRun ner, WinRunner, Microsoft Management Studio, Eclipse, and IntelliJ IDEA.
Other notable features include Real-time message tracking between client and server at request level and resource level, tracking of all HTTP requests that are performed by the application, Diagnostic capabilities of message content, and Recording of transactions between client and server to monitor system resources usage. All in all, SoapSonar is a great tool that you can consider among its alternatives.
SoapSonar alternatives
12
StoplightPaid
Stoplight is a platform that helps users to build APIs faster quickly and enables users to supercharge their API lifecycle best tools. The platform offers collaborative design and documentation for APIs to empower users in creating a complete API design lifecycle. The tool enables users to design their APIs in minutes, and they can create and collaborate in OpenAPI and JSON Schema through the intuitive user interface.
The platform allows us to drive API adoption by offering up-to-date interactive documentation and code samples to all developers. Moreover, it also enables users to scale with confidence and share APIs, track changes, and manage their dependencies with the breeze.
Stoplight provides visibility to users to help them maintain a central source of truth and enables users to navigate API design artifacts across the organization. Lastly, it also allows all the stakeholders and developers to collaborate in the development of the API design.
Stoplight alternatives
13
Datadog
Datadog is a network monitoring service that helps companies gain visibility into application performance. It provides an overview of a product to a single SQL query and correlates app performance or errors with infrastructure metrics and events. The software can help identify performance bottlenecks in code or infrastructure and monitor hosts or containers.
The best thing about this application is that it can automatically trace requests across various libraries and frameworks and enables auto-instrumentation to collect span from frontend to backend. It gathers data from infrastructure components like Redis and Elastic search and offers integration with a web framework such as Ruby, Gin, and Rails, etc.
Like other similar software, it also provides a real-time dashboard with mix and match metrics and events from connected applications, hosts, services, and containers. The user can overlay event markers on graphs for correlation analysis and also able to create new dashboards using a simple drag and drop interface and lots of other widgets. Datadog offers different price plans; each plan has its price and features.
Datadog alternatives
14
Request inspectorFree
Request inspector is an all-in-one request inspection and debugger software for webhooks and HTTP clients. The software comes with an auto-generator to generate the endpoint, and all the requests sent to this endpoint are automatically forwarded in real-time. Request inspection enables you to create the endpoint to collect and test an application. All the request history of 48 hours is in front of you, and you can inspect the last 30 requests.
There is a simple procedure of running all you need to put the URL in the box and generate the endpoints, and after this, you will be able to get the request in real-time. Either you can choose your URL or use a random generated as you want. In-depth analysis lets you view the request headers and body; for this, you support Json Prettify and Gunzip. Furthermore, the software secures your endpoint transaction with encryption that is of 2048 bit.
Request inspector alternatives
15
MockServerFree
MockServer is a mocking software that lets you integrate for any system with HTTP or HTTPs. The software is useful to reverse the responses for different responses via mock configuration. There is leverage to either imply a proxy for some request and a mock for other requests simultaneously. If the current requests match the active expectations, then MockServer receives a request; otherwise, it proxies the request if found authentic.
The software has particular proxy request methods that include port forwarding, web proxying, HTTPs tunneling, and socks proxying. All the SSL certificates are generated automatically, and MockServer handles them transparently. Different protocols are supported on a single port and have a simplified configuration, and are detected. MockServer is useful in providing accessible recreation of request, isolate the system under test, easy setup of mockup responses, create test assertion, de-coupling development, and more. Furthermore, the software is known for its single service isolation that sets the way for easy debugging, a subset of requests, and easy to forward selective requests.
MockServer alternatives
16
RequestWatchFree
RequestWatch is an inspection and debugging software for HTTP requests and WebHooks. The software comes with an elegant approach via providing you with the right URL that collects submissions so you can correctly inspect and debug them.
There are multiple features on offer: inspected HTTP payloads, send multipart payloads, endpoints support, pull-down request, and more to add. The software facilitates developers with its nimble workflow to debug and test faster, and you can also customize the HTTP response in the code.
RequestWatch alternatives
17
RoboHydraFree
RoboHydra is a server testing software that helps you test any HTTP, HTTPs, or WebSockets server client. It is easy to reproduce the issues when fixing issues with RoboHydra and build custom mock with little hard work. You have support for exploratory testing to change the behavior via a web interface. Moreover, the software is useful to reverse the proxy request that may be helpful in various scenarios.
There are certain advantages of using RoboHydra, such as GUIs, communicating server, complex javascript front-end, and server applications contact with 3rd party servers. The software lets you front-end locally stored server with the back-end remote sever that set the path for the perfect test implementation of your local front end installation with completely operative back-end without the need to install the back end. Furthermore, RoboHydra is pretty useful to ape the server and permit custom responses to the program if you write a program designed to communicate with the server using HTTP.
RoboHydra alternatives
18
Intercept.restFreemium
Intercept.rest is a reliable API debugging, monitoring, and mocking tool that enables you to monitor all the API requests and responses. Real-time logs will allow you to see transparent requests and responses associated with data, and you will miss out on any request for sure. Don does not worry if you do not have the internet; download it to macOS, Linux, and windows to use it locally. Your productivity will be more with the automated approach to share network logs that will save your time from not doing things manually.
The detailed dashboard enables you to view the request as they arrive and tack issues when testing regardless of your client location. Intercept.rest provides you with a rich collaboration by which you can share logs with your team working on the API provider. There are multiple features on offer: header and data, real-time logs, HTTP support, tracing of unexpected errors and bugs, verifying fixes, reproducing errors, comparing different requests, support for multiple endpoints, and more to add.
Intercept.rest alternatives
19
Webhook.siteFreemium
Webhook.site is an elegant inspection, testing, and automating platform for any incoming HTTP request or email. The software is generating URLs and email addresses for automated testing. Webhook provides you with the visual workflow editor and scripts to have the best inspection and responses. There are multiple functions such as scheduling a URL, CORs header, auto navigation, delete URL and requests, copy option, and more to add.
The receiving application will provide a URL, and when an event is going to happen, it acts like a phone number. The software comes with custom actions that help you extract JSON or Regex values, and you can directly use them to send emails and requests, write a custom script, and many more. Alias support generates the URL that is easy to remember, and you can export all the requests to the CSV files.
Webhook.site alternatives
20
BeeceptorPaid
Beeceptor is a real-time mocking software to proxy HTTP and intercept HTTP requests and is made for the rest of APIs. The software is free to use and automatically replaces the endpoint in the code, and in a matter of no time, mocking API and intercepting are done. You will get a subdomain name and send an HTTP request, and then you can directly inspect the direct payload and headers. Beeceptor lets you build the mock API, and there is no coding required; you need to define the API path, matching the current rule and response payload.
Beeceptor allows you to inspect all the traffic going to the actual API and for the normal working of the application, use the mocking rules to mock a few requests while the rest target the API. More features are preflight requests with CORS support, request logging, name subdomain, and HTTPS, simulating higher latencies, customizing responses, creating webhook endpoints, sharing a request, and integration testing.
Beeceptor alternatives
21
RequestBin.com
RequestBin.com is an inspection and debugger HTTP debugger software that provides a friendly way to deal with very inspection of events. Now you can create and manage bins via API or CLI, and you have proper control to collect sources, events, and the programmatic approach to subscribe to real-time event streams. It is easy to deploy a custom request bin courtesy of having node.js, and whenever a bin is created, an endpoint URL is generated for the code triggering and run it on servers.
The software sanctions you to reverse the endpoint URL to collect your bin’s request, inspect the events right in your browsers, and the source ID to manage bin. Moreover, you can find various strategic features that include checking Http payloads, sending multipart payloads, customizing your HTTP responses, endpoint HTTP support, delete single, multiple, or even entire bin, and more to add.
RequestBin.com alternatives
22
AppDoctorPaid
AppDoctor is an agile and reliable API monitoring and testing software based on the cloud approach. The software comes with automated status page updates that legitimize you to gain insights to check performance, API speed, and payloads to return the correct data. Cloud testing is very best for the perfect monitoring of incredible performance, availability, uptime, and all the problems throughout your API journey. You have the leverage to request proxy, easily search and restore requests, and no more debugging issues with AppDoctor.
Whenever specific events happen in your API, you will be notified automatically of the advanced rules engine. AppDoctor lets you focus on development, and everything is working according to expectation for the exact API testing. Via has the cloud environment; it is easy to implement the integrations and create complex test pipelines. AppDoctor is surfacing multiple features that include sustainable workflow, API health monitoring, transparent visualization, identifying latency issues, capturing all the data response requests, and adding more.
AppDoctor alternatives
23
APId
APId is an open-source tool to easily install multiple dependencies of PHP web applications on multiple platforms. In addition to an auto-install function, it offers additional functionality like changing configuration options or enabling optional features of a package. It can be installed via Composer, APD, or through git submodules. The dependency information can be displayed in several ways; the current version number, the minimum and maximum version numbers of a package, or the expiration date of a package.
A progress bar indicates the installation progress of a package and shows which packages are being installed. If any error occurs during the installation, the status bar displays it and provides links to online documentation or mailing lists. All in all, APId is a great tool that you can consider among its alternatives.
APId alternatives