Approve AI Short Videos in Telegram Before Auto-Posting to TikTok, Reels, and Shorts

Google Sheets idea input → Gemini generates script and captions → Veo 3.1 renders 9:16 video → Telegram human approval → PostWire multi-platform publish

Who

Creators or social media operators who need human confirmation before publishing short videos

You get

After adding an idea to Google Sheets, automatically receive an AI-generated video draft, approve with one tap in Telegram, and publish to multiple short-form platforms

You need

n8n · telegram · google-sheets

Steps

1. Capture new ideas from Google Sheets

   Configure the Google Sheets Trigger node in n8n, select the target document and sheet, set event to rowAdded (polls every minute). Ensure the sheet has idea, status, links, and note columns. Add a Filter node with conditions: idea is not empty AND status is empty, so only unprocessed new ideas continue.

2. Generate the content plan

   Add a Google Gemini node (model: gemini-2.5-flash), resource type text, operation message, enable jsonOutput. Paste the source planning instruction into systemMessage. Set the message content to reference the Sheets idea field: {{ 'Idea: ' + $json.idea }}. Then add a Set node (Read the plan) to parse the returned JSON, extracting plan, idea, networks array, and telegram_chat_id (replace YOUR_CHAT_ID with your actual Telegram chat ID).

   Execution prompt · Source text。Google Gemini node systemMessage field

   Copy prompt

   You plan one 8-second vertical (9:16) video for short-form social media. Return JSON with the keys veo_prompt (one paragraph for Veo: subject, action, camera movement, lighting, ambient sound; no on-screen text, no logos, no real people), tiktok (a hook of up to 150 characters with 3 hashtags), instagram (2 sentences and up to 5 hashtags), youtube_title (a searchable title of up to 90 characters), youtube (a 2-sentence description), linkedin (2 short professional paragraphs) and facebook (1 or 2 conversational sentences).

3. Generate and upload the video

   Configure three HTTP Request nodes and one Google Gemini node in sequence: 1) POST to https://postwire.io/api/media/upload-url to get an upload slot (Header Auth, JSON body {"content_type":"video/mp4"}); 2) Google Gemini node (model: veo-3.1-fast-generate-preview), resource video, operation generate, aspectRatio 9:16, durationSeconds 8, prompt referencing the previous veo_prompt; 3) PUT to upload_url with binary video data; 4) GET https://postwire.io/api/media/finalize with path query parameter to obtain the final media_url.

   Execution prompt · Source text。Google Gemini video generation node prompt field (n8n expression)

   Copy prompt

   ={{ $('Read the plan').item.json.plan.veo_prompt }}

4. Telegram approval

   Add a Telegram node to send the video (sendVideo), with file set to media_url and caption containing previews of TikTok/Instagram/YouTube captions (truncated to 900 chars with HTML escaping). Then add a Telegram sendAndWait node with an approval request message, responseType approval, and Approve/Decline dual options.

5. Publish to platforms and log results

   After approval, add an HTTP Request node to POST to https://postwire.io/api/post (Header Auth) with JSON body containing platforms, per_platform captions, video_url, ai_generated flags, etc. Then use an If node to check if all platforms published successfully: on success, update Sheets status to posted, links to platform URLs, and send a Telegram summary; on failure, update status to needs fix/partly posted, note to error details, and send a Telegram message with fix information.

   Execution prompt · Source text。Telegram node success notification text field (n8n expression)

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   ={{ 'Published everywhere:\n' + String(($('Publish with PostWire').item.json.results || []).map(r => r.platform + '  ' + (r.url || 'processing, the link appears in PostWire')).join('\n')).replace(/&/g, '&amp;').replace(/</g, '&lt;') }}

   Execution prompt · Source text。Telegram node failure notification text field (n8n expression)

   Copy prompt

   ={{ 'Not published everywhere:\n' + String((() => { const r = $('Publish with PostWire').item.json; return r.error ? r.error : (r.results || []).map(x => (x.ok ? 'Published  ' : 'NOT published  ') + x.platform + (x.url ? '  ' + x.url : '') + (x.ok ? '' : '\n    ' + (x.fix || x.error))).join('\n'); })()).replace(/&/g, '&amp;').replace(/</g, '&lt;') }}

6. Handle decline

   If Telegram approval selects Decline, update the Google Sheets row: set status to declined, note to a timestamp of decline (format yyyy-MM-dd HH:mm), and clear links.

You are an n8n workflow setup assistant. The user wants to replicate the automation: Sheets trigger → Gemini planning → Veo 3.1 generation → Telegram approval → PostWire multi-platform publishing. First confirm the user has: an n8n instance; a PostWire account and API key; Google Sheets OAuth; Google Gemini paid credentials (including Veo 3.1); a Telegram Bot and chat ID. Then guide them through importing the template or manual setup, checking: 1) Sheet columns are idea/status/links/note; 2) YOUR_CHAT_ID is replaced; 3) PostWire Header Auth is Authorization: Bearer <key>; 4) Gemini model IDs are models/gemini-2.5-flash and models/veo-3.1-fast-generate-preview. Remind them Veo 3.1 is pay-per-use and to test the Telegram approval flow before going live.