API Blueprint was an okay format that has largely lost out on a broad consensus of vendor support out to Swagger (since renamed to "OpenAPI"). RAML has undergon

API Blueprint was an okay format that has largely lost out on a broad consensus of vendor support out to Swagger (since renamed to "OpenAPI"). RAML has undergone a similar, though less dramatic fate, and Swagger's rebranding largely seals the deal in the eyes of newcomers. It's not unreasonable to suspect that API Blueprint will continue to live on as an open source spec with little actual community uptake, while the format may continue to be the basis of Oracle's offering.