Dell Boomi API Management might be a bit more popular than 3scale. We know about 1 link to it since March 2021 and only 1 link to 3scale. 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.
I ran into something similar to this with the 3scale.net api gateway. They had a modified version of nginx that talked to their backend api and downloaded and cache'd the customer info and used that as part of the api proxy. However, they had their own custom implementation. Source: about 2 years ago
Most of the API Management systems do use "API version in the URI" as a default approach, such as Axway, MuleSoft Anypoint, Google Apigee, Boomi, AWS API portal, Nginx API Management. - Source: dev.to / over 1 year ago
Postman - The Collaboration Platform for API Development
Apigee - Intelligent and complete API platform
DreamFactory - DreamFactory is an API management platform used to generate, secure, document, and extend APIs.
Gravitee.io - Gravitee.io is a flexible, lightweight and an open source API management solution.
Sentinet - API Management and SOA Governance for enterprises and developers
Django REST framework - Django REST framework is a toolkit for building web APIs.