Error in installing dingo/api in composer

{Code...} According to github. comdingoapiwikiInstallation configured in this document

        Your requirements could not be resolved to an installable set of packages.         Problem 1        The requested package dingo/api could not be found in any version, there may be a typo in the package name.        Potential causes:      A typo in the package name      The package is not available in a stable-enough version according to your minimum-stability setting      see 
  
    for more details.
  

Https://github.com/dingo/api/wiki/Installation configured according to this document

Reply content:

        Your requirements could not be resolved to an installable set of packages.         Problem 1        The requested package dingo/api could not be found in any version, there may be a typo in the package name.        Potential causes:      A typo in the package name      The package is not available in a stable-enough version according to your minimum-stability setting      see 
  
    for more details.
  

Https://github.com/dingo/api/wiki/Installation configured according to this document

Just recorded a series of RESTful APIs developed by laravel in combination with dingo/api:

Https://laravist.com/series/pe-into-restful-api-with-laravel

The system prompts that no stable version is matched.