diff --git a/src/MediaWiki.ts b/src/MediaWiki.ts
index 1690a48e..30defed5 100644
--- a/src/MediaWiki.ts
+++ b/src/MediaWiki.ts
@@ -193,7 +193,11 @@ class MediaWiki {
   public async hasVisualEditorApi(): Promise<boolean> {
     if (this.#hasVisualEditorApi === null) {
       this.visualEditorUrlDirector = new VisualEditorURLDirector(this.visualEditorApiUrl.href)
-      this.#hasVisualEditorApi = await checkApiAvailability(this.visualEditorUrlDirector.buildArticleURL(this.apiCheckArticleId))
+      this.#hasVisualEditorApi = await checkApiAvailability(
+        this.visualEditorUrlDirector.buildArticleURL(this.apiCheckArticleId),
+        '' /* empty login cookie */,
+        this.visualEditorUrlDirector.validMimeTypes,
+      )
       return this.#hasVisualEditorApi
     }
     return this.#hasVisualEditorApi
diff --git a/src/util/builders/url/visual-editor.director.ts b/src/util/builders/url/visual-editor.director.ts
index 660f1e1d..4daa74a8 100644
--- a/src/util/builders/url/visual-editor.director.ts
+++ b/src/util/builders/url/visual-editor.director.ts
@@ -13,4 +13,8 @@ export default class VisualEditorURLDirector {
   buildArticleURL(articleId: string) {
     return urlBuilder.setDomain(this.baseDomain).setQueryParams({ page: articleId }, '&').build()
   }
+
+  get validMimeTypes() {
+    return ['application/json']
+  }
 }
diff --git a/src/util/mw-api.ts b/src/util/mw-api.ts
index 5420eb61..ab453b39 100644
--- a/src/util/mw-api.ts
+++ b/src/util/mw-api.ts
@@ -258,7 +258,16 @@ export function mwRetToArticleDetail(obj: QueryMwRet): KVS<ArticleDetail> {
   return ret
 }
 
-export async function checkApiAvailability(url: string, loginCookie = ''): Promise<boolean> {
+/**
+ * Check for API availability at the given URL.
+ *
+ * @param url The URL to check.
+ * @param loginCookie A string representing a cookie for login, if necessary.
+ * @param allowedMimeTypes An array of allowed mime types for the response. If this is set, the check is only considered a
+ * success if the response has a mime type in this array. Set to null to disable this filter.
+ * @returns Promise resolving to true if the API is available.
+ */
+export async function checkApiAvailability(url: string, loginCookie = '', allowedMimeTypes = null): Promise<boolean> {
   try {
     const resp = await axios.get(decodeURI(url), { maxRedirects: 0, headers: { cookie: loginCookie } })
 
@@ -268,7 +277,20 @@ export async function checkApiAvailability(url: string, loginCookie = ''): Promi
     // the 'mediawiki-api-error' === 'rest-permission-error' exception
     const isSuccess = resp.status === 200 && (!resp.headers['mediawiki-api-error'] || resp.headers['mediawiki-api-error'] === 'rest-permission-error')
 
-    return !isRedirectPage && isSuccess
+    let validMimeType = false
+    if (!allowedMimeTypes) {
+      // No MIME types to check, so consider the check passed.
+      validMimeType = true
+    } else {
+      for (const mimeType of allowedMimeTypes) {
+        if (resp.headers['content-type'].includes(mimeType)) {
+          validMimeType = true
+          break
+        }
+      }
+    }
+
+    return !isRedirectPage && isSuccess && validMimeType
   } catch (err) {
     return false
   }
diff --git a/test/unit/mwApiCapabilities.test.ts b/test/unit/mwApiCapabilities.test.ts
index e25d840d..f6af020c 100644
--- a/test/unit/mwApiCapabilities.test.ts
+++ b/test/unit/mwApiCapabilities.test.ts
@@ -57,8 +57,7 @@ describe('Checking Mediawiki capabilities', () => {
     expect(await MediaWiki.hasVisualEditorApi()).toBe(true)
   })
 
-  // https://github.com/openzim/mwoffliner/issues/2035
-  test.skip('test capabilities of pokemon.fandom.com with default receipt', async () => {
+  test('test capabilities of pokemon.fandom.com with default receipt', async () => {
     MediaWiki.base = 'https://pokemon.fandom.com/'
 
     expect(await MediaWiki.hasWikimediaDesktopApi()).toBe(false)
@@ -67,8 +66,7 @@ describe('Checking Mediawiki capabilities', () => {
     expect(await MediaWiki.hasVisualEditorApi()).toBe(false)
   })
 
-  // https://github.com/openzim/mwoffliner/issues/2035
-  test.skip('test capabilities of pokemon.fandom.com with RestApi receipt', async () => {
+  test('test capabilities of pokemon.fandom.com with RestApi receipt', async () => {
     MediaWiki.base = 'https://pokemon.fandom.com/'
     MediaWiki.wikiPath = '/'
     MediaWiki.restApiPath = 'rest.php'