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Webhook that summarizes a YouTube video with Gemini

by Mindketn8n workflowResearch
Newversion 1 · updated
Nodes8Apps3Like

Overview

  1. Webhook
  2. Get YouTube URL
  3. YouTube Video ID
  4. Get YouTube Video
  5. Summarize and Analyze Video
  6. Response Object
  7. Respond to Webhook
  8. Telegram
Webhook that summarizes a YouTube video with Gemini, picture 1
‹2 / 2›

An n8n webhook for YouTube links. It looks the video up, has Gemini watch it and write a structured summary, returns the summary to the caller and sends the title and link to Telegram.

Webhook that summarizes a YouTube video with Gemini is an n8n workflow in the Research category, listed by Mindket. It is free. This is version 1, last updated on . Download it on this page or copy its JSON, then import it into an n8n canvas. Nothing runs until you activate it in n8n.

At a glance

Runs in
  • n8n Cloud: import the file and publish it, so the webhook has an address that stays
  • Your own n8n server: the same file, with the webhook open to the callers you choose
  • Any caller: a script, a no-code tool or a form that can send a POST with a link

Platform

n8nWorkflow automation, in n8n’s cloud or on your own server
Connects 3 apps

How it works

Trigger

Webhook

It starts when something posts a JSON body to the webhook:

  • youtubeUrl, the link to a public YouTube video

Actions

  1. The video’s id is pulled out of the link
  2. YouTube is asked for the video’s title and description
  3. The video’s address is sent to Gemini, which watches the video and writes a summary under markdown headers
  4. The summary is returned to the caller with the title, description, id and link
  5. Telegram gets a message with the title and the link

Result

A structured markdown summary of the video, returned to the caller, plus a Telegram message with the title and the link

Integrations

What you need before you start.

Google Gemini

Video reading and summary

Watches the YouTube video from its address and writes the structured summary. The file asks for gemini-3.8-flash.

NeedsA Gemini API key, kept in a Header Auth credential

YouTube

Video details

Looks the video up for its title, description and id.

NeedsA YouTube OAuth2 credential, with the YouTube Data API on

Telegram

Message

Sends the video’s title and link to a chat.

NeedsA Telegram bot credential and a chat id

Workflow check

Checked by Mindket on 13 Nov 2026

Steps
8 steps, starting when its webhook is called
AI
No step calls an AI model
Sign-ins
Signs in to: YouTube, Google Gemini and Telegram
API keys
No API key is left in the file
Step types
Mindket’s checker reads all 7 of its step types

Read from the workflow’s file, not from a run.

About

What it is

This n8n workflow turns a YouTube link into a structured summary. You post the link to a webhook. The workflow pulls the video’s id out of it and looks the video up on YouTube for its title and description. It then sends the video’s address to Google’s Gemini API, which watches the video and writes a summary under markdown headers. The summary goes back to the caller, and Telegram gets the title and the link. The file holds nine nodes, one of them a sticky note that Mindket added.

Who it suits

Researchers, students and content teams who want the gist of a long video before they sit through it. Skip it if you need the speaker’s exact words. The summary is the model’s reading of the video, and no transcript is kept.

Who uses it, and how
IndustryWho uses itHow they use itExample
ResearchAnalystsSkim a recorded talk before they decide to cite itAn analyst posts a conference talk and reads the headers before the full video.
EducationStudentsGet a structured outline of a lectureA student posts a recorded lecture and gets topics under headers with the key terms in bold.
MediaContent teamsLog what each source video coversA newsroom assistant posts an interview and gets a summary and the title in a Telegram chat.
SoftwareDevelopersAdd video summaries to their own toolsA developer calls the webhook from a bookmark app that saves YouTube links.

You need some n8n and three accounts: import a file, make three credentials and post a link to a webhook.

Where to use it

Any n8n that can reach YouTube, Google’s Gemini API and Telegram will run it.

  • n8n Cloud: import the file and publish it, so the webhook has an address that stays
  • Your own n8n server: the same file, with the webhook open to the callers you choose
  • Any caller: a script, a no-code tool or a form that can send a POST with a link

Setup

Download saves a zip with workflow.json and Mindket’s setup notes in your downloads folder. The original copy needed a community node for transcripts. It is no longer on npm, so Mindket swapped it for a Gemini call.

What you need first
NeedDetail
n8nOn n8n Cloud or on a server of your own
GeminiAn API key from Google AI Studio, kept in a Header Auth credential
Google CloudThe YouTube Data API on, and an OAuth2 credential for the video lookup
TelegramA bot, and the id of the chat it writes to
  1. In n8n, create a workflow, open its menu, choose Import from File and pick workflow.json.
  2. Add a Header Auth credential with the name x-goog-api-key and your Gemini key as the value. Select it in Summarize and Analyze Video.
  3. Add a YouTube OAuth2 credential and select it in Get YouTube Video.
  4. Add a Telegram credential, select it in Telegram and replace <YOUR_TELEGRAM_CHAT_ID> with your chat’s id. Delete the node if you do not want the message.
  5. Save, then post a link to the webhook’s test address. Publish the workflow to use the production address.

How to use it

Post a JSON body with one field, youtubeUrl. The call returns when the summary is ready, which can take a while for a long video. Gemini reads public videos only.

What to change for a different result
To changeWhere
The shape of the summaryThe prompt inside the body of Summarize and Analyze Video
The modelThe model line in the same body
What the caller gets backThe fields of Response Object
The Telegram messageThe text of Telegram

Example

You post this to the webhook.

{"youtubeUrl": "https://www.youtube.com/watch?v=<VIDEO_ID>"}

The call answers with a JSON object. summary holds the markdown summary, and title, description, id and youtubeUrl describe the video. Telegram receives the title and the link.

For newcomers and experts

If you are new. n8n draws a workflow as boxes joined by lines, and each box, a node, does one job. This one runs in a straight line from the webhook to the answer, with Telegram on a side branch at the end. A webhook is an address that starts the run when something posts to it. Test with a short video first.

For experts. One HTTP Request node calls Gemini’s Interactions API, and the answer’s steps hold the text.

Where to look closer
NodeWhat it doesWhat to know
YouTube Video IDCode node that matches the id in a linkIt reads watch, youtu.be and embed links, and a Shorts link gives no id
Get YouTube VideoYouTube node, get one videoIt needs a YouTube OAuth2 credential
Summarize and Analyze VideoPOST to /v1beta/interactions, gemini-3.8-flash, store falseThe key goes in the x-goog-api-key header
Response ObjectSet node that picks the model’s text from stepsIt fails when the answer has no steps

Good to know

The webhook has no authentication, and Gemini’s YouTube link feature is a preview.

  • Gemini: public videos only, not private or unlisted ones. Google’s video understanding page, read on 12 November 2026, calls the feature a preview whose pricing and limits are likely to change. It caps the free tier at 8 hours of YouTube video a day
  • Open webhook: anyone who learns the address can start a run that spends Gemini quota and sends a Telegram message. Turn on authentication in Webhook before you publish
  • Storage: store is false, so Google keeps no copy of the exchange for later turns
  • Telegram: its HTML mode refuses a title that holds a stray < or &
  • Topics: topics is always an empty list
  • Your data: the video link goes to Google, and the title and link go to Telegram
  • Credentials: the JSON holds none

README and files

README

Webhook that summarizes a YouTube video with Gemini

An n8n webhook for YouTube links. You post a link, the workflow looks the video up on YouTube, and Gemini watches it and
writes a structured summary. The summary goes back to the caller, and the title and link go to Telegram.

What is inside

  • workflow.json: the workflow as n8n exports it, nine nodes. One is a sticky note that Mindket added. It holds no
    credential.
  • README.md: these notes.

What we changed from the original copy

  • The original copy read the video through a community node, n8n-nodes-youtube-transcription, which turned the video
    into a transcript for an OpenAI model. A community node installs by its package name in n8n's community nodes
    settings. This package is no longer on npm: it was withdrawn, and the repository it named is gone (npm registry, read
    on 12 November 2026). There is nothing to install. YouTube's own caption address also returned nothing to a plain
    request on the same day.
  • Mindket swapped the transcript node, the three nodes after it and the OpenAI model for one HTTP Request node,
    Summarize and Analyze Video. It sends the video's address to Google's Gemini API, which reads the video itself, so
    the workflow still ends in a structured summary. The summary now comes from the model's reading of the video, picture
    and sound, and not from a transcript.
  • In the original copy Get YouTube Video and the transcript node were not joined to anything after them, so a run
    stopped at the video lookup. Get YouTube Video now joins the new node.
  • Telegram had no chat set. It holds the placeholder <YOUR_TELEGRAM_CHAT_ID>.
  • The prompt asks Gemini to watch the video, where it used to ask for a summary of given text.
  • A sticky note says where the new node came from.

Before you start

  • An n8n instance, on n8n Cloud or your own server.
  • A Gemini API key, from Google AI Studio.
  • A Google Cloud project with the YouTube Data API on, for the OAuth2 credential that Get YouTube Video needs.
  • A Telegram bot and the id of the chat it writes to. Delete Telegram if you do not want the message.

Set it up

  1. In n8n, create a workflow, open its menu and choose Import from File. Pick workflow.json.
  2. Add a Header Auth credential whose name is x-goog-api-key and whose value is your Gemini key. Select it in
    Summarize and Analyze Video.
  3. Add a YouTube OAuth2 credential and select it in Get YouTube Video.
  4. Add a Telegram credential, select it in Telegram and replace <YOUR_TELEGRAM_CHAT_ID> with the chat's id.
  5. Save, open Webhook and use its test address. Post a link to it:
curl -X POST "<YOUR_N8N_HOST>/webhook-test/ytube" -H "Content-Type: application/json" -d '{"youtubeUrl": "https://www.youtube.com/watch?v=<VIDEO_ID>"}'
  1. To use it for real, publish the workflow and post to <YOUR_N8N_HOST>/webhook/ytube.

How a run goes

  1. Webhook takes a POST at the path ytube and keeps the caller waiting until Respond to Webhook.
  2. Get YouTube URL copies body.youtubeUrl into a field named youtubeUrl.
  3. YouTube Video ID pulls the 11-character id out of the link with a regular expression. It reads watch, youtu.be
    and embed links. A Shorts or live link gives it no id.
  4. Get YouTube Video looks the video up, which gives the title, the description and the id.
  5. Summarize and Analyze Video posts to Gemini's interactions endpoint with the model gemini-3.8-flash. The body
    holds the prompt and the video's watch address, built from the id. store is false, so Google keeps no copy of the
    exchange for later turns.
  6. Response Object takes the model's text from the steps of the answer and sets summary, an empty topics,
    title, description, id and youtubeUrl.
  7. Respond to Webhook returns those fields to the caller as JSON, and Telegram sends the title and the link.

Change the result

  • The summary's shape: the prompt inside the body of Summarize and Analyze Video.
  • The model: the model line in the same body.
  • What the caller gets back: the fields of Response Object.
  • The Telegram message: the text of Telegram.

Good to know

  • Gemini reads public videos only, not private or unlisted ones. Google's video understanding page, read on 12 November
    2026, calls the YouTube link feature a preview and says its pricing and limits are likely to change. On the free tier
    it takes at most 8 hours of YouTube video a day.
  • The Interactions API keeps a request for a day on the free tier and 55 days on a paid one unless store is false.
    This file sets it to false.
  • The webhook has no authentication, as in the original copy. Anyone who learns its address can start a run that spends
    Gemini quota and sends a Telegram message. Turn on Basic Auth or Header Auth in Webhook before you publish.
  • Telegram's HTML mode refuses a title that holds a stray < or &.
  • topics is always an empty list. Nothing fills it.
  • When Gemini answers with an error, the answer has no steps and Response Object fails.
  • The video link goes to Google. The title and the link go to Telegram.
Files
NOTICE.md  640 B
README.md  5 KB
workflow.json  8 KB

3 files, 14 KB, downloaded as a zip.

What’s new

  • Version 1 · 2026-11-12

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