redoc/lib/components/ApiInfo/api-info.html

<div>
  <h1 class="api-info-header">{{info.title}} ({{info.version}})</h1>
  <p>
    Download OpenAPI (fka Swagger) specification:
    <a class="openapi-button" target="_blank" attr.href='{{specUrl}}'> Download </a>
  </p>
  <p *ngIf="info.description" class="redoc-markdown-block" [innerHtml]="info['x-redoc-html-description'] | safe"> </p>
  <p>
    <!-- TODO: create separate components for contact and license ? -->
    <span *ngIf="info.contact"> Contact:
      <a *ngIf="info.contact.url" href="{{info.contact.url}}">
        {{info.contact.name || info.contact.url}}</a>
      <a *ngIf="info.contact.email" href="mailto:{{info.contact.email}}">
        {{info.contact.email}}</a>
    </span>
    <span *ngIf="info.license"> License:
      <a *ngIf="info.license.url" href="{{info.license.url}}"> {{info.license.name}} </a>
      <span *ngIf="!info.license.url"> {{info.license.name}} </span>
    </span>
  </p>
</div>