中型API仅返回3个最新结果

Question

我想知道如何通过这种媒介API调用我写过的所有文章，而不仅仅是前三篇。有什么想法吗？这是一个可以正常工作的API调用的codepen： https://codepen.io/evejweinberg/pen/xQLQxO

 fetch('https://api.rss2json.com/v1/api.json?rss_url=https%3A%2F%2Fmedium.com%2Ffeed%2F%40evejweinberg')
   .then((res) => res.json())
   .then((data) => {
      // Filter for acctual posts. Comments don't have categories, therefore can filter for items with categories bigger than 0
      const res = data.items //This is an array with the content. No feed, no info about author etc..
      const posts = res.filter(item => item.categories.length > 0) // That's the main trick* !

      // Functions to create a short text out of whole blog's content
      function toText(node) {
         let tag = document.createElement('div')
         tag.innerHTML = node
         node = tag.innerText
         return node
      }
      function shortenText(text,startingPoint ,maxLength) {
         return text.length > maxLength?
         text.slice(startingPoint, maxLength):
         text
      }

      // Put things in right spots of markup
      let output = '';
      posts.forEach((item) => {
         output += `
         <li class="blog__post">
            <a href="${item.link}">
               <img src="${item.thumbnail}" class="blog__topImg"></img>
               <div class="blog__content">
                  <div class="blog_preview">
                     <h2 class="blog__title">${shortenText(item.title, 0, 30)+ '...'}</h2>
                     <p class="blog__intro">${'...' + shortenText(toText(item.content),60, 300)+ '...'}</p>
                  </div>
                  <hr>
                  <div class="blog__info">
                     <span class="blog__author">${item.author}</span>
                     <span class="blog__date">${shortenText(item.pubDate,0 ,10)}</span>
                  </div>
               </div>
            <a/>
         </li>`

      })
      document.querySelector('.blog__slider').innerHTML = output
})