diff --git a/abstract/ActivityBlock.js b/abstract/ActivityBlock.js
index 2dbbbc1b..517142fb 100644
--- a/abstract/ActivityBlock.js
+++ b/abstract/ActivityBlock.js
@@ -7,6 +7,13 @@ import { activityBlockCtx } from './CTX.js';
 const ACTIVE_ATTR = 'active';
 const ACTIVE_PROP = '___ACTIVITY_IS_ACTIVE___';
 
+/**
+ * @typedef {{
+ *   'cloud-image-edit': import('../blocks/CloudImageEditorActivity/CloudImageEditorActivity.js').ActivityParams;
+ *   external: import('../blocks/ExternalSource/ExternalSource.js').ActivityParams;
+ * }} ActivityParamsMap
+ */
+
 export class ActivityBlock extends Block {
   /** @protected */
   historyTracked = false;
@@ -54,10 +61,15 @@ export class ActivityBlock extends Block {
         this.setAttribute('activity', this.activityType);
       }
       this.sub('*currentActivity', (/** @type {String} */ val) => {
-        if (this.activityType !== val && this[ACTIVE_PROP]) {
-          this._deactivate();
-        } else if (this.activityType === val && !this[ACTIVE_PROP]) {
-          this._activate();
+        try {
+          if (this.activityType !== val && this[ACTIVE_PROP]) {
+            this._deactivate();
+          } else if (this.activityType === val && !this[ACTIVE_PROP]) {
+            this._activate();
+          }
+        } catch (err) {
+          console.error(`Error in activity "${this.activityType}". `, err);
+          this.$['*currentActivity'] = this.$['*history'][this.$['*history'].length - 1] ?? null;
         }
 
         if (!val) {
@@ -156,6 +168,7 @@ export class ActivityBlock extends Block {
     return this.ctxName + this.activityType;
   }
 
+  /** @type {ActivityParamsMap[keyof ActivityParamsMap]} */
   get activityParams() {
     return this.$['*currentActivityParams'];
   }
@@ -201,7 +214,7 @@ ActivityBlock.activities = Object.freeze({
   URL: 'url',
   CLOUD_IMG_EDIT: 'cloud-image-edit',
   EXTERNAL: 'external',
-  DETAILS: 'details',
 });
 
-/** @typedef {(typeof ActivityBlock)['activities'][keyof (typeof ActivityBlock)['activities']] | (string & {}) | null} ActivityType */
+/** @typedef {(typeof ActivityBlock)['activities'][keyof (typeof ActivityBlock)['activities']]} RegisteredActivityType */
+/** @typedef {RegisteredActivityType | (string & {}) | null} ActivityType */
diff --git a/abstract/Block.js b/abstract/Block.js
index a69fa1df..61918f5c 100644
--- a/abstract/Block.js
+++ b/abstract/Block.js
@@ -209,6 +209,8 @@ export class Block extends BaseComponent {
 
   /** @protected */
   destroyCallback() {
+    super.destroyCallback();
+
     let blocksRegistry = this.blocksRegistry;
     blocksRegistry?.delete(this);
 
diff --git a/abstract/CTX.js b/abstract/CTX.js
index 4462de40..840dbed3 100644
--- a/abstract/CTX.js
+++ b/abstract/CTX.js
@@ -23,7 +23,6 @@ export const uploaderBlockCtx = (fnCtx) => ({
   ...activityBlockCtx(fnCtx),
   '*commonProgress': 0,
   '*uploadList': [],
-  '*focusedEntry': null,
   '*uploadQueue': new Queue(1),
   /** @type {ReturnType<import('../types').OutputErrorCollection>[]} */
   '*collectionErrors': [],
diff --git a/abstract/UploaderBlock.js b/abstract/UploaderBlock.js
index efc04d29..93d4d40f 100644
--- a/abstract/UploaderBlock.js
+++ b/abstract/UploaderBlock.js
@@ -360,7 +360,9 @@ export class UploaderBlock extends ActivityBlock {
           this.cfg.useCloudImageEditor &&
           this.hasBlockInCtx((block) => block.activityType === ActivityBlock.activities.CLOUD_IMG_EDIT)
         ) {
-          this.$['*focusedEntry'] = entry;
+          this.$['*currentActivityParams'] = {
+            internalId: entry.uid,
+          };
           this.$['*currentActivity'] = ActivityBlock.activities.CLOUD_IMG_EDIT;
         }
       }
diff --git a/abstract/UploaderPublicApi.js b/abstract/UploaderPublicApi.js
index daef7e8a..a4785f52 100644
--- a/abstract/UploaderPublicApi.js
+++ b/abstract/UploaderPublicApi.js
@@ -278,13 +278,19 @@ export class UploaderPublicApi {
   };
 
   /**
-   * @param {import('./ActivityBlock.js').ActivityType} activityType
-   * @param {import('../blocks/ExternalSource/ExternalSource.js').ActivityParams | {}} [params]
+   * @type {<T extends import('./ActivityBlock.js').ActivityType>(
+   *   activityType: T,
+   *   ...params: T extends keyof import('./ActivityBlock.js').ActivityParamsMap
+   *     ? [import('./ActivityBlock.js').ActivityParamsMap[T]]
+   *     : T extends import('./ActivityBlock.js').RegisteredActivityType
+   *       ? [undefined?]
+   *       : [any?]
+   * ) => void}
    */
-  setCurrentActivity = (activityType, params = {}) => {
+  setCurrentActivity = (activityType, params = undefined) => {
     if (this._ctx.hasBlockInCtx((b) => b.activityType === activityType)) {
       this._ctx.set$({
-        '*currentActivityParams': params,
+        '*currentActivityParams': params ?? {},
         '*currentActivity': activityType,
       });
       return;
@@ -292,6 +298,11 @@ export class UploaderPublicApi {
     console.warn(`Activity type "${activityType}" not found in the context`);
   };
 
+  /** @returns {import('./ActivityBlock.js').ActivityType} */
+  getCurrentActivity = () => {
+    return this._ctx.$['*currentActivity'];
+  };
+
   /** @param {boolean} opened */
   setModalState = (opened) => {
     if (opened && !this._ctx.$['*currentActivity']) {
diff --git a/blocks/CloudImageEditor/src/elements/slider/SliderUi.js b/blocks/CloudImageEditor/src/elements/slider/SliderUi.js
index 88feacd6..811572d5 100644
--- a/blocks/CloudImageEditor/src/elements/slider/SliderUi.js
+++ b/blocks/CloudImageEditor/src/elements/slider/SliderUi.js
@@ -163,6 +163,7 @@ export class SliderUi extends Block {
   }
 
   destroyCallback() {
+    super.destroyCallback();
     this._observer?.disconnect();
   }
 }
diff --git a/blocks/CloudImageEditorActivity/CloudImageEditorActivity.js b/blocks/CloudImageEditorActivity/CloudImageEditorActivity.js
index 000e1755..ada20510 100644
--- a/blocks/CloudImageEditorActivity/CloudImageEditorActivity.js
+++ b/blocks/CloudImageEditorActivity/CloudImageEditorActivity.js
@@ -3,17 +3,31 @@ import { ActivityBlock } from '../../abstract/ActivityBlock.js';
 import { UploaderBlock } from '../../abstract/UploaderBlock.js';
 import { CloudImageEditorBlock } from '../CloudImageEditor/index.js';
 
+/** @typedef {{ internalId: string }} ActivityParams */
+
 export class CloudImageEditorActivity extends UploaderBlock {
   couldBeCtxOwner = true;
   activityType = ActivityBlock.activities.CLOUD_IMG_EDIT;
 
-  constructor() {
-    super();
-
-    this.init$ = {
-      ...this.init$,
-      cdnUrl: null,
-    };
+  /**
+   * @private
+   * @type {import('../../abstract/TypedData.js').TypedData | undefined}
+   */
+  _entry;
+
+  /**
+   * @private
+   * @type {CloudImageEditorBlock | undefined}
+   */
+  _instance;
+
+  /** @type {ActivityParams} */
+  get activityParams() {
+    const params = super.activityParams;
+    if ('internalId' in params) {
+      return params;
+    }
+    throw new Error(`Cloud Image Editor activity params not found`);
   }
 
   initCallback() {
@@ -24,19 +38,6 @@ export class CloudImageEditorActivity extends UploaderBlock {
       onDeactivate: () => this.unmountEditor(),
     });
 
-    this.sub('*focusedEntry', (/** @type {import('../../abstract/TypedData.js').TypedData} */ entry) => {
-      if (!entry) {
-        return;
-      }
-      this.entry = entry;
-
-      this.entry.subscribe('cdnUrl', (cdnUrl) => {
-        if (cdnUrl) {
-          this.$.cdnUrl = cdnUrl;
-        }
-      });
-    });
-
     this.subConfigValue('cropPreset', (cropPreset) => {
       if (this._instance && this._instance.getAttribute('crop-preset') !== cropPreset) {
         this._instance.setAttribute('crop-preset', cropPreset);
@@ -52,11 +53,11 @@ export class CloudImageEditorActivity extends UploaderBlock {
 
   /** @param {CustomEvent<import('../CloudImageEditor/src/types.js').ApplyResult>} e */
   handleApply(e) {
-    if (!this.entry) {
+    if (!this._entry) {
       return;
     }
     let result = e.detail;
-    this.entry.setMultipleValues({
+    this._entry.setMultipleValues({
       cdnUrl: result.cdnUrl,
       cdnUrlModifiers: result.cdnUrlModifiers,
     });
@@ -68,8 +69,17 @@ export class CloudImageEditorActivity extends UploaderBlock {
   }
 
   mountEditor() {
+    const { internalId } = this.activityParams;
+    this._entry = this.uploadCollection.read(internalId);
+    if (!this._entry) {
+      throw new Error(`Entry with internalId "${internalId}" not found`);
+    }
+    const cdnUrl = this._entry.getValue('cdnUrl');
+    if (!cdnUrl) {
+      throw new Error(`Entry with internalId "${internalId}" hasn't uploaded yet`);
+    }
+
     const instance = new CloudImageEditorBlock();
-    const cdnUrl = this.$.cdnUrl;
     const cropPreset = this.cfg.cropPreset;
     const tabs = this.cfg.cloudImageEditorTabs;
 
@@ -100,14 +110,13 @@ export class CloudImageEditorActivity extends UploaderBlock {
 
     this.innerHTML = '';
     this.appendChild(instance);
-    this._mounted = true;
 
-    /** @private */
     this._instance = instance;
   }
 
   unmountEditor() {
     this._instance = undefined;
+    this._entry = undefined;
     this.innerHTML = '';
   }
 }
diff --git a/blocks/ExternalSource/ExternalSource.js b/blocks/ExternalSource/ExternalSource.js
index 42903641..2556f542 100644
--- a/blocks/ExternalSource/ExternalSource.js
+++ b/blocks/ExternalSource/ExternalSource.js
@@ -60,6 +60,15 @@ export class ExternalSource extends UploaderBlock {
     };
   }
 
+  /** @type {ActivityParams} */
+  get activityParams() {
+    const params = super.activityParams;
+    if ('externalSourceType' in params) {
+      return params;
+    }
+    throw new Error(`External Source activity params not found`);
+  }
+
   /**
    * @private
    * @type {HTMLIFrameElement | null}
diff --git a/blocks/FileItem/FileItem.js b/blocks/FileItem/FileItem.js
index 2c24568c..a293ee2b 100644
--- a/blocks/FileItem/FileItem.js
+++ b/blocks/FileItem/FileItem.js
@@ -56,14 +56,10 @@ export class FileItem extends UploaderBlock {
       isEditable: false,
       state: FileItemState.IDLE,
       onEdit: () => {
-        this.set$({
-          '*focusedEntry': this._entry,
-        });
-        if (this.hasBlockInCtx((b) => b.activityType === ActivityBlock.activities.DETAILS)) {
-          this.$['*currentActivity'] = ActivityBlock.activities.DETAILS;
-        } else {
-          this.$['*currentActivity'] = ActivityBlock.activities.CLOUD_IMG_EDIT;
-        }
+        this.$['*currentActivityParams'] = {
+          internalId: this._entry.uid,
+        };
+        this.$['*currentActivity'] = ActivityBlock.activities.CLOUD_IMG_EDIT;
       },
       onRemove: () => {
         this.uploadCollection.remove(this.$.uid);
diff --git a/demo/upload-api.html b/demo/upload-api.html
new file mode 100644
index 00000000..429383f8
--- /dev/null
+++ b/demo/upload-api.html
@@ -0,0 +1,63 @@
+<!doctype html>
+<base href="../../" />
+
+<head>
+  <meta name="viewport" content="width=device-width, initial-scale=1" />
+  <link rel="stylesheet" href="./solutions/file-uploader/regular/index.css" />
+  <script
+    async=""
+    src="https://cdn.skypack.dev/-/es-module-shims@v1.5.8-O0uWfhbenfjMbv6D3d8E/dist=es2020,mode=raw,min/dist/es-module-shims.js"
+  ></script>
+  <script type="importmap">
+    {
+      "imports": {
+        "@symbiotejs/symbiote": "./node_modules/@symbiotejs/symbiote/build/symbiote.js",
+        "@uploadcare/upload-client": "./node_modules/@uploadcare/upload-client/dist/esm/index.browser.mjs",
+        "@uploadcare/image-shrink": "./node_modules/@uploadcare/image-shrink/dist/esm/index.browser.mjs",
+        "keyux": "./node_modules/keyux/index.js"
+      }
+    }
+  </script>
+  <script src="./index.js" type="module"></script>
+  <script type="module">
+    import * as UC from './index.js';
+
+    UC.defineComponents(UC);
+
+    const config = document.querySelector('uc-');
+    const ctx = document.querySelector('uc-upload-ctx-provider');
+    const api = ctx.getAPI();
+    const radio = document.querySelector('input[name="choice"]');
+
+    const handleRadioChange = (choice) => {
+      switch (choice) {
+        case 'auto-editor-open':
+          ctx.addEventListener('file-upload-success', (e) => {
+            const { internalId } = e.detail;
+            if (api.getCurrentActivity() !== 'cloud-image-edit') {
+              api.setCurrentActivity('cloud-image-edit', { internalId });
+            }
+          });
+          break;
+        default:
+          break;
+      }
+    };
+
+    radio.addEventListener('change', (e) => {
+      handleRadioChange(e.target.value);
+    });
+  </script>
+</head>
+
+<uc-file-uploader-regular ctx-name="my-uploader" class="uc-light"></uc-file-uploader-regular>
+<uc-config ctx-name="my-uploader" pubkey="demopublickey" debug></uc-config>
+<uc-upload-ctx-provider ctx-name="my-uploader"></uc-upload-ctx-provider>
+
+<fieldset>
+  <legend>Please select behaviour:</legend>
+  <div>
+    <input type="radio" id="choice1" name="choice" value="auto-editor-open" />
+    <label for="choice1">Auto editor open</label>
+  </div>
+</fieldset>
diff --git a/types/test/public-upload-api.test-d.tsx b/types/test/public-upload-api.test-d.tsx
new file mode 100644
index 00000000..03507965
--- /dev/null
+++ b/types/test/public-upload-api.test-d.tsx
@@ -0,0 +1,34 @@
+import { UploadCtxProvider } from '../../index.js';
+
+const instance = new UploadCtxProvider();
+const api = instance.getAPI();
+
+api.addFileFromUrl('https://example.com/image.png');
+
+api.setCurrentActivity('camera');
+api.setCurrentActivity('cloud-image-edit', { internalId: 'id' });
+api.setCurrentActivity('external', {
+  externalSourceType: 'type',
+});
+
+// @ts-expect-error - should not allow to set activity without params
+api.setCurrentActivity('cloud-image-edit');
+// @ts-expect-error - should not allow to set activity without params
+api.setCurrentActivity('external');
+
+// @ts-expect-error - should not allow to set activity with invalid params
+api.setCurrentActivity('camera', {
+  invalidParam: 'value',
+});
+api.setCurrentActivity('cloud-image-edit', {
+  // @ts-expect-error - should not allow to set activity with invalid params
+  invalidParam: 'value',
+});
+api.setCurrentActivity('external', {
+  // @ts-expect-error - should not allow to set activity with invalid params
+  invalidParam: 'value',
+});
+
+// should allow to set some custom activity
+api.setCurrentActivity('my-custom-activity');
+api.setCurrentActivity('my-custom-activity', { myCustomParam: 'value' });
diff --git a/types/test/uc-upload-ctx-provider.test-d.tsx b/types/test/uc-upload-ctx-provider.test-d.tsx
index 9b9903bb..53a74112 100644
--- a/types/test/uc-upload-ctx-provider.test-d.tsx
+++ b/types/test/uc-upload-ctx-provider.test-d.tsx
@@ -1,17 +1,16 @@
-import { expectNotType, expectType } from 'tsd';
+import { UploadcareFile, UploadcareGroup } from '@uploadcare/upload-client';
+import { useRef } from 'react';
+import { expectType } from 'tsd';
 import {
   ActivityBlock,
   EventMap,
   OutputCollectionErrorType,
-  OutputCollectionState,
   OutputCollectionStatus,
   OutputError,
   OutputFileEntry,
   OutputFileErrorType,
-  UploadCtxProvider,
+  UploadCtxProvider
 } from '../../index.js';
-import { useRef } from 'react';
-import { UploadcareFile, UploadcareGroup } from '@uploadcare/upload-client';
 
 const instance = new UploadCtxProvider();
 instance.uploadCollection.size;