Based on our record, WireMock Cloud seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Both of these tools you would have to run yourself. If you wanted a hosted solution you can use for example Mocklab which is based on Wiremock. Source: almost 3 years ago
Mockable - Quickly define some REST or SOAP endpoints and have them return json/xml (dummy) data.
Pneumatic - Pneumatic is an SaaS workflow management system designed to make business process management easy and accessible to everyone. Pneumatic emphasises ease of use, iterative development and continuous improvement of business processes.
Beeceptor - Unblock yourself from API dependencies, and build & integrate with APIs fast. Beeceptor helps you build a mock Rest API in a few seconds.
windmill.dev - Company-wide apps and automations from minimal python scripts
Postman - The Collaboration Platform for API Development
Docker Hub - Docker Hub is a cloud-based registry service