This workflow follows the Chainllm → HTTP Request recipe pattern — see all workflows that pair these two integrations.
The workflow JSON
Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →
{
"name": "YouTube video to social media promotion",
"nodes": [
{
"parameters": {},
"type": "n8n-nodes-base.manualTrigger",
"typeVersion": 1,
"position": [
-240,
64
],
"id": "c7c80056-b1b1-4e79-b96d-9a2c751d4a3a",
"name": "When clicking \u2018Execute workflow\u2019"
},
{
"parameters": {
"socialAccountIds": "= {{ $json.id.toString() }}",
"caption": "={{ $json.caption }}{{ $json.url }}",
"additionalFields": {
"mediaIds": "={{ $('Upload media').item.json.media.id }}",
"isDraft": true
},
"platformConfigurations": {
"linkedin": {
"documentTitle": "={{ $json.title }}"
}
}
},
"type": "n8n-nodes-posta.posta",
"typeVersion": 1,
"position": [
2992,
32
],
"id": "e11a8e5b-77d2-444a-a04b-5f074f5fa658",
"name": "Create a post",
"credentials": {
"postaApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"resource": "socialAccount"
},
"type": "n8n-nodes-posta.posta",
"typeVersion": 1,
"position": [
544,
688
],
"id": "935a6f34-9170-4830-90dc-d2764530b323",
"name": "Get many social accounts",
"credentials": {
"postaApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"content": "You need to tell the workflow where to post - call this to get a list of connected social accounts. To sign-up and connect social accounts, visit https://www.getposta.app (14 days free, no credit card required)",
"height": 480,
"color": 3
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
480,
400
],
"id": "ce7cb33c-f3fb-4674-8095-5b078920aa47",
"name": "Sticky Note1"
},
{
"parameters": {
"content": "You need a token to use the Posta functions. Get one at https://www.getposta.app (14 days free, no credit card required)",
"height": 128,
"color": 3
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
-368,
-128
],
"id": "a75cc4bb-62bd-4011-8f6b-3393355c9548",
"name": "Sticky Note2"
},
{
"parameters": {
"content": "## YouTube video \u2192 social media\n\n**Who it's for:** creators who want to promote each new video everywhere automatically.\n**What it does:** reads your YouTube feed, grabs the latest video + thumbnail, and drafts promo posts for every platform via Posta.\n\n**How it works:**\n1. Download the YouTube channel feed and parse the latest video.\n2. Upload the thumbnail to Posta (auto-scaled per platform).\n3. Get active accounts; keep one post per platform type.\n4. DeepSeek writes a caption per platform; create draft posts to review.\n\n**Setup:** add your Posta and DeepSeek credentials, and set your channel feed URL. Sign up at https://www.getposta.app (14 days free, no credit card).",
"height": 240,
"color": 5
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
-368,
-384
],
"id": "d8b976b6-bae7-43c3-ae00-6f6859ac7e2f",
"name": "Sticky Note3"
},
{
"parameters": {
"resource": "media"
},
"type": "n8n-nodes-posta.posta",
"typeVersion": 1,
"position": [
1024,
-32
],
"id": "d0c501b4-01f4-4066-a940-fe751214f6ca",
"name": "Upload media",
"credentials": {
"postaApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"url": "={{ $json.thumbnail }}",
"options": {
"response": {
"response": {
"responseFormat": "file"
}
}
}
},
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.4,
"position": [
768,
-32
],
"id": "6518497f-ad13-4b04-8208-bdedc0c6378c",
"name": "Download thumbnail"
},
{
"parameters": {
"mode": "combine",
"combineBy": "combineByPosition",
"options": {}
},
"type": "n8n-nodes-base.merge",
"typeVersion": 3.2,
"position": [
1360,
32
],
"id": "b35f43aa-662f-4d34-923c-dd9bee67fb6e",
"name": "Combine thumbnail + video data"
},
{
"parameters": {
"content": "We merge the outputs from upload media (delivers the media id) and the structureed json. Mode \"combine\" and combine by \"position\".",
"height": 336
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
1264,
-96
],
"id": "d9965a14-7a44-44da-a682-86368f5ff4ba",
"name": "Sticky Note7"
},
{
"parameters": {
"content": "The post is created by default as \"draft\" in the Posta backend - from this point you can publish it in the next step, or schedule it for later.",
"height": 320
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
2944,
-96
],
"id": "fc8d4240-17e3-48a0-9da3-cd4d4817fda5",
"name": "Sticky Note8"
},
{
"parameters": {
"content": "Download from the RSS endpoint. n8n strips a lot of data, so use HTTP Request",
"height": 336
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
-16,
-96
],
"id": "864c538f-4734-47ec-a1c8-af516a85788b",
"name": "Sticky Note10"
},
{
"parameters": {
"content": "Create json from XML, save it into \"data\"",
"height": 336
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
224,
-96
],
"id": "e3f132c8-47c5-457f-9770-898266739d3b",
"name": "Sticky Note11"
},
{
"parameters": {
"options": {}
},
"type": "n8n-nodes-base.xml",
"typeVersion": 1,
"position": [
288,
96
],
"id": "17c8f927-4708-4b2c-a91f-13bea3a82dea",
"name": "Parse feed XML"
},
{
"parameters": {
"url": "https://www.youtube.com/feeds/videos.xml?channel_id=UC6vsUGbvtdWizEn1GZDT1ZQ",
"options": {
"response": {
"response": {
"responseFormat": "text"
}
}
}
},
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.4,
"position": [
48,
16
],
"id": "104ab147-429a-42a1-a26e-250d6a4d6e64",
"name": "Download YouTube feed"
},
{
"parameters": {
"jsCode": "const root = $input.first().json;\n const entries = [].concat(root.feed?.entry ?? []).slice(0, 1); // latest only\n return entries.map(e => {\n const g = e['media:group'] ?? {};\n return { json: {\n videoId: e['yt:videoId'],\n title: typeof e.title === 'string' ? e.title : e.title?._,\n description: g['media:description'],\n thumbnail: g['media:thumbnail']?.url,\n url: e.link?.href ?? e.link?.url,\n published: e.published,\n }};\n });"
},
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
544,
80
],
"id": "a0247b4b-55c4-40a4-8af4-fe76eda01adc",
"name": "Latest video"
},
{
"parameters": {
"content": "Create structured json. **IMPORTANT:** we limit to the last video here: const entries = [].concat(root.feed?.entry ?? []).slice(0, 1); // latest only \nChange the way you see fit.",
"height": 336
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
480,
-96
],
"id": "cd80c088-de0f-41d5-a13b-531a0ff7bde9",
"name": "Sticky Note12"
},
{
"parameters": {
"content": "Download the Youtube video thumbnails",
"height": 336
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
720,
-96
],
"id": "07b6219f-3fb6-44ef-b562-b70127e94e3a",
"name": "Sticky Note13"
},
{
"parameters": {
"content": "Upload the thumbnails to the Posta app.",
"height": 336
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
976,
-96
],
"id": "a590913b-ff1a-402d-952f-c33769aacb86",
"name": "Sticky Note14"
},
{
"parameters": {
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 3
},
"conditions": [
{
"id": "965b8dcb-cbbf-4a09-be7d-91190b09681e",
"leftValue": "={{ $json.isActive }}",
"rightValue": false,
"operator": {
"type": "boolean",
"operation": "true",
"singleValue": true
}
},
{
"id": "0650294d-1302-4d4b-97ed-14826faddb9a",
"leftValue": "",
"rightValue": "",
"operator": {
"type": "string",
"operation": "equals",
"name": "filter.operator.equals"
}
}
],
"combinator": "and"
},
"options": {}
},
"type": "n8n-nodes-base.filter",
"typeVersion": 2.3,
"position": [
784,
544
],
"id": "214f8125-bd77-40d0-b2b6-5d83dc672e5a",
"name": "Keep active accounts"
},
{
"parameters": {
"content": "We select all active social accounts",
"height": 480
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
736,
400
],
"id": "6bf187a4-26fc-4d4f-b94e-5c00c0c01fc4",
"name": "Sticky Note15"
},
{
"parameters": {
"compare": "selectedFields",
"fieldsToCompare": "platform",
"options": {}
},
"type": "n8n-nodes-base.removeDuplicates",
"typeVersion": 2,
"position": [
1056,
544
],
"id": "d2ba6b8c-5b56-4235-8017-4638ef8dd54d",
"name": "One post per platform"
},
{
"parameters": {
"content": "Remove duplicates from platform. We want to create a single post for each platform type (one for TikTok, once for LinkedIn etc), not one post for each account. ",
"height": 480,
"width": 224
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
992,
400
],
"id": "dafaf967-c847-4882-a124-7bbf199c3589",
"name": "Sticky Note16"
},
{
"parameters": {
"mode": "combine",
"combineBy": "combineAll",
"options": {}
},
"type": "n8n-nodes-base.merge",
"typeVersion": 3.2,
"position": [
1600,
32
],
"id": "4ab71d12-58c4-4ff6-a09c-7335ed70b9d2",
"name": "Combine video + platforms"
},
{
"parameters": {
"content": "Create all possible combinations - this gives a list of post data for each account type that was delivered from upstream",
"height": 336,
"width": 288
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
1552,
-96
],
"id": "11c1f549-54c5-4f6d-a999-12e456f8b704",
"name": "Sticky Note17"
},
{
"parameters": {
"promptType": "define",
"text": "=Write a {{ $json.platform }} post promoting this YouTube video:\n Title: {{ $json.title }}\n Description: {{ $json.description }}\n Tailor it to {{ $json.platform }} (tone, length, hashtags). Return only the caption.",
"messages": {
"messageValues": [
{
"message": "You are the best social media marketing expert in the world."
}
]
},
"batching": {}
},
"type": "@n8n/n8n-nodes-langchain.chainLlm",
"typeVersion": 1.9,
"position": [
2000,
32
],
"id": "fa7c6508-5890-457d-a86a-543d1da3346f",
"name": "Basic LLM Chain"
},
{
"parameters": {
"model": "deepseek-v4-pro",
"options": {}
},
"type": "@n8n/n8n-nodes-langchain.lmChatDeepSeek",
"typeVersion": 1,
"position": [
2032,
240
],
"id": "cc716326-2cb9-491a-9adf-b09a21f00d87",
"name": "DeepSeek Chat Model",
"credentials": {
"deepSeekApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"jsCode": "const ctx = $('Combine video + platforms').all(); // \u2190 your cross-join node's name\n return $input.all().map((item, i) => {\n const videoUrl = `https://www.youtube.com/watch?v=${ctx[i].json.videoId}`;\n return {\n json: {\n platform: ctx[i].json.platform,\n videoId: ctx[i].json.videoId,\n mediaId: ctx[i].json.mediaId,\n url: videoUrl,\n caption: `${item.json.text}\\n\\n\u25b6\ufe0f Watch: ${videoUrl}`,\n },\n };\n });"
},
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
2352,
32
],
"id": "4099d081-9007-4aba-a633-352acb376558",
"name": "Tag captions with platform"
},
{
"parameters": {
"content": "The LLM gives only text, so lets add platform so we know what posts to create",
"height": 320
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
2304,
-96
],
"id": "3ae1905f-f3d9-472e-b1a1-9076ab878949",
"name": "Sticky Note4"
},
{
"parameters": {
"mode": "combine",
"fieldsToMatchString": "platform",
"options": {}
},
"type": "n8n-nodes-base.merge",
"typeVersion": 3.2,
"position": [
2688,
32
],
"id": "2989b183-7287-457c-82f8-0c879465e8af",
"name": "Post per active account"
},
{
"parameters": {
"content": "Now merge the posts with each active account - we create a post for each account. ",
"height": 320
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
2656,
-96
],
"id": "bbcbd1b7-7103-4bfb-9b37-680a767a1d81",
"name": "Sticky Note9"
}
],
"connections": {
"When clicking \u2018Execute workflow\u2019": {
"main": [
[
{
"node": "Get many social accounts",
"type": "main",
"index": 0
},
{
"node": "Download YouTube feed",
"type": "main",
"index": 0
}
]
]
},
"Download thumbnail": {
"main": [
[
{
"node": "Upload media",
"type": "main",
"index": 0
}
]
]
},
"Upload media": {
"main": [
[
{
"node": "Combine thumbnail + video data",
"type": "main",
"index": 0
}
]
]
},
"Create a post": {
"main": [
[]
]
},
"Combine thumbnail + video data": {
"main": [
[
{
"node": "Combine video + platforms",
"type": "main",
"index": 0
}
]
]
},
"Download YouTube feed": {
"main": [
[
{
"node": "Parse feed XML",
"type": "main",
"index": 0
}
]
]
},
"Parse feed XML": {
"main": [
[
{
"node": "Latest video",
"type": "main",
"index": 0
}
]
]
},
"Latest video": {
"main": [
[
{
"node": "Download thumbnail",
"type": "main",
"index": 0
},
{
"node": "Combine thumbnail + video data",
"type": "main",
"index": 1
}
]
]
},
"Get many social accounts": {
"main": [
[
{
"node": "Keep active accounts",
"type": "main",
"index": 0
}
]
]
},
"Keep active accounts": {
"main": [
[
{
"node": "One post per platform",
"type": "main",
"index": 0
},
{
"node": "Post per active account",
"type": "main",
"index": 1
}
]
]
},
"One post per platform": {
"main": [
[
{
"node": "Combine video + platforms",
"type": "main",
"index": 1
}
]
]
},
"DeepSeek Chat Model": {
"ai_languageModel": [
[
{
"node": "Basic LLM Chain",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Combine video + platforms": {
"main": [
[
{
"node": "Basic LLM Chain",
"type": "main",
"index": 0
}
]
]
},
"Basic LLM Chain": {
"main": [
[
{
"node": "Tag captions with platform",
"type": "main",
"index": 0
}
]
]
},
"Tag captions with platform": {
"main": [
[
{
"node": "Post per active account",
"type": "main",
"index": 0
}
]
]
},
"Post per active account": {
"main": [
[
{
"node": "Create a post",
"type": "main",
"index": 0
}
]
]
}
},
"active": false,
"settings": {
"executionOrder": "v1",
"binaryMode": "separate",
"availableInMCP": false
},
"versionId": "9fe8204a-40c1-4ddf-af46-b5de082f157f",
"meta": {
"templateCredsSetupCompleted": true
},
"id": "4SD4jWtZQmj48juh",
"tags": [
{
"updatedAt": "2026-06-02T08:57:53.950Z",
"createdAt": "2026-06-02T08:57:53.950Z",
"id": "8rcWTt5CS63KQzEw",
"name": "socialmedia"
},
{
"updatedAt": "2026-06-02T09:01:25.831Z",
"createdAt": "2026-06-02T09:01:25.831Z",
"id": "8xBogo6fq3RQfLdT",
"name": "autopost"
},
{
"updatedAt": "2026-06-02T08:57:45.531Z",
"createdAt": "2026-06-02T08:57:45.531Z",
"id": "E2V7Vb6mVjkhPHEs",
"name": "blog"
},
{
"updatedAt": "2026-06-02T09:01:40.639Z",
"createdAt": "2026-06-02T09:01:40.639Z",
"id": "ESvKanJ6OwKaH6u4",
"name": "posta"
}
]
}
Credentials you'll need
Each integration node will prompt for credentials when you import. We strip credential IDs before publishing — you'll add your own.
deepSeekApipostaApi
Pro
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About this workflow
YouTube video to social media promotion. Uses n8n-nodes-posta, httpRequest, xml, chainLlm. Event-driven trigger; 31 nodes.
Source: https://github.com/STGime/posta-n8n-workflows/blob/main/workflows/youtube-to-social-media.json — original creator credit. Request a take-down →
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