JSON Placeholder
JSON Server
mocki Fake JSON API
httpbin(1)
MockRest
Nacapi
Format JSON Online
A hosted REST-API ready to respond to your AJAX requests.

Jenkins
Codeship
Travis CI
Bamboo
Bitrise
TeamCity
Buddy
CircleCI gives web developers powerful Continuous Integration and Deployment with easy setup and maintenance.

Which is more popular?
Based on our record, CircleCI should be more popular than ReqRes. It has been mentioned 83 times since March 2021.
Website, pricing, platforms and company facts side by side.
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ReqRes
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| Website | reqres.in | circleci.com |
| Pricing | — | |
| Company | — | Startup from the United States · 500 - 999 employees · 2011 |
| Listed in |
What each product offers, as listed by its team.

Possible disadvantages
Possible disadvantages
Walkthroughs and reviews on video.
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CircleCI Part 1: Introduction to Unit Testing and Continuous Integration
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How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using ReqRes and CircleCI. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.

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CircleCI is a cloud-based CI/CD platform that has gained significant traction in recent years. With a focus on simplicity and ease of use, CircleCI offers a streamlined approach to automating your build, test, and...
CircleCI– Get unparalleled performance and insights with CircleCI’s interactive dashboard and automatic upgrades – revolutionizing the way you build and deploy your applications.
CircleCI can be a Jenkins replacement for teams seeking a managed experience where performance and support options are priorities. CircleCI is also investing heavily in building new capabilities that cater to the...
Recommendations tracked on public social media and blogs since March 2021.

Https://reqres.in/ - roughly that much in ads revenue. Would love to add a paid plan for more features, but....time. - Source: Hacker News / almost 2 years ago
Reqres.in - A Free hosted REST-API ready to respond to your AJAX requests. - Source: dev.to / over 2 years ago
As stated earlier we are using the REQ | RES API in the example, you can check it out to see all the methods it provides. Now, go to the core/internet_services/ create a dart file and name it paths.dart, this will contain the baseurl and... - Source: dev.to / over 3 years ago
CircleCI is another popular and mature platform, with extensive support for plugins / reusable workflows in the form of "orbs". - Source: dev.to / 11 months ago
Everyone is free to use alternative CI/CD workflow pipelines. These are often better than Github Actions. There include - https://circleci.com/ - https://www.travis-ci.com/ - Gitlab Anyone can complain as much as they want, but unless... - Source: Hacker News / 11 months ago
CircleCI Account: You need an active CircleCI account connected to your GitHub repository where the application code resides. If you don’t have one, sign up at circleci.com. - Source: dev.to / about 1 year ago
When comparing ReqRes and CircleCI, you can also consider the following products.

JSON Placeholder is a modern platform that provides you online REST API, which you can instantly use whenever you need any fake data.
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Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
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Get a full fake REST API with zero coding in less than 30 seconds. For front-end developers who need a quick back-end for prototyping and mocking
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Codeship is a fast and secure hosted Continuous Delivery platform that scales with your needs.
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mocki Fake JSON API is an advanced platform that offers you to create API for personal use or testing purposes.
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Simple, flexible, trustworthy CI/CD tools. Join hundreds of thousands who define tests and deployments in minutes, then scale up simply with parallel or multi-environment builds using Travis CI’s precision syntax—all with the developer in mind.
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