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": "Create LinkedIn carousel post from blog post",
"nodes": [
{
"parameters": {},
"type": "n8n-nodes-base.manualTrigger",
"typeVersion": 1,
"position": [
-240,
112
],
"id": "905cdfa8-0d33-44c4-9f75-90e438207355",
"name": "When clicking \u2018Execute workflow\u2019"
},
{
"parameters": {
"url": "https://getposta.app/feed.xml",
"options": {}
},
"type": "n8n-nodes-base.rssFeedRead",
"typeVersion": 1.2,
"position": [
64,
16
],
"id": "db75812c-7715-44ff-adec-97e5b889358f",
"name": "RSS Read",
"notes": "Add the link to the RSS feed"
},
{
"parameters": {
"content": "Add the link to the RSS feed, in this example we use the blog feed from getposta.app (https://getposta.app/feed.xml)",
"height": 352,
"width": 160
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
32,
-192
],
"id": "7fde9dfa-159b-453e-8e62-8afcf724e2b3",
"name": "Sticky Note"
},
{
"parameters": {
"socialAccountIds": "35",
"caption": "={{ $('Parse slides JSON').item.json.caption }}{{ $('Latest post').item.json.link }}",
"additionalFields": {
"hashtags": "={{ $('Parse slides JSON').item.json.tags }}",
"mediaIds": "={{ $json.media_id }}"
},
"platformConfigurations": {
"linkedin": {
"documentTitle": "={{ $json.title }}"
}
}
},
"type": "n8n-nodes-posta.posta",
"typeVersion": 1,
"position": [
3264,
-96
],
"id": "ae315a5d-b1c9-415b-b38b-5897bbf1b6df",
"name": "Create a post",
"credentials": {
"postaApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"resource": "socialAccount"
},
"type": "n8n-nodes-posta.posta",
"typeVersion": 1,
"position": [
304,
256
],
"id": "d92a5744-c0e1-4619-b336-c407bb27a7f1",
"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. You need to take the id value and feed into the next step. IDs are preserved in Posta until you delete the connected account. To sign-up and connect social accounts, visit https://www.getposta.app (14 days free, no credit card required)",
"height": 240,
"color": 3
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
240,
448
],
"id": "6898e38d-92d5-4acc-a146-d7d702051283",
"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,
-64
],
"id": "7bc18f20-0b43-444e-93e1-6be6b55a7f4e",
"name": "Sticky Note2"
},
{
"parameters": {
"content": "## Blog post \u2192 LinkedIn carousel\n\n**Who it's for:** creators who want high-engagement LinkedIn carousels from their articles without designing slides.\n**What it does:** summarizes a new blog post into a 5-slide carousel PDF \u2014 AI text over AI backgrounds \u2014 and posts it to LinkedIn via Posta.\n\n**How it works:**\n1. Read the blog feed and pick the latest post.\n2. DeepSeek writes 5 slides (title + body); split them out.\n3. fal.ai generates a background per slide; upload each to Posta.\n4. Posta composites the text and builds the PDF; create the LinkedIn post.\n\n**Setup:** add Posta (Professional plan), DeepSeek, and fal.ai credentials. Sign up at https://www.getposta.app (14 days free, no credit card).",
"height": 320,
"color": 5
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
-368,
-368
],
"id": "31efd7a4-96cb-4f42-95c8-3a4305792b44",
"name": "Sticky Note3"
},
{
"parameters": {
"content": "In the create post you need to set at least one social account id (from \"get many social accounts\"), caption and optionally tags. For each supported social media account type, you can also set platform specific attributes like visibility etc. You can also add media ids to upload images and videos. Images and videos are scaled by Posta for each platform (9:16 for TikTok for example). Posta uses facial recognition to try to crop media if faces are present. ",
"height": 304
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
3200,
64
],
"id": "335656b0-271f-4092-b077-7b429038a38b",
"name": "Sticky Note4"
},
{
"parameters": {
"resource": "media"
},
"type": "n8n-nodes-posta.posta",
"typeVersion": 1,
"position": [
2480,
-96
],
"id": "c77ec554-304d-41c5-b1b0-315d323b43f1",
"name": "Upload media",
"credentials": {
"postaApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"url": "={{ $json.images[0].url }}",
"options": {
"response": {
"response": {
"responseFormat": "file"
}
}
}
},
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.4,
"position": [
2208,
-96
],
"id": "6589116c-f42b-4354-8e0f-e358b133d62c",
"name": "Download generated background"
},
{
"parameters": {
"content": "Add the URL for the image. Then options -> response -> then \"response format -> file\" and put the output in field \"data\". This loads the image into the \"data\" field for further processing. ",
"height": 512
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
2144,
-288
],
"id": "89031161-66b6-4235-a651-dfcd7a0cd3a2",
"name": "Sticky Note5"
},
{
"parameters": {
"content": "This upload the contents of the \"data\" field from the precious node to the Posta platform and image processing starts (scaling for the different platforms). This also works for videos.",
"height": 512
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
2416,
-288
],
"id": "20d12e43-4028-4881-9271-0e26ad7941bb",
"name": "Sticky Note6"
},
{
"parameters": {
"jsCode": "const items = $input.all();\n items.sort((a, b) =>\n new Date(b.json.isoDate || b.json.pubDate).getTime() -\n new Date(a.json.isoDate || a.json.pubDate).getTime()\n );\n return items.length ? [items[0]] : [];"
},
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
272,
16
],
"id": "4798dbe5-598c-4075-a770-1c6f4ed68685",
"name": "Latest post"
},
{
"parameters": {
"content": "Select the latest post",
"height": 352,
"width": 160
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
240,
-192
],
"id": "f765dde3-24e7-4339-b0ef-ddf4ba98e6f5",
"name": "Sticky Note10"
},
{
"parameters": {
"promptType": "define",
"text": "=Turn the article below into a 5-slide LinkedIn carousel.\n\n Rules:\n - Exactly 5 slides.\n - Slide 1 = a scroll-stopping hook. Slides 2\u20134 = the key takeaways (one idea per slide). Slide 5 = a clear call to action.\n - Each slide has a short \"title\" (max ~6 words) and a \"body\" of 2\u20133 punchy lines (max ~360 characters). Plain text, no markdown, no emojis in the title.\n Each slide also has an \"image_prompt\": a VERY short phrase describing one or two soft simple shapes and 2 muted colors on a deep background \u2014 e.g. \"a soft coral orb on\n deep plum\" or \"two gentle mauve shapes on deep indigo\". Keep colors muted and gentle, never neon or harsh. Shapes and colors only \u2014 no scenes, no nature, no people, no text.\n - Also write 3\u20135 relevant \"tags\" (hashtag words, WITHOUT the # symbol) and a 1\u20132 sentence LinkedIn \"caption\" to accompany the carousel.\n - Base everything strictly on the article \u2014 do not invent facts, names, or numbers.\n\n Return ONLY raw minified JSON \u2014 no markdown, no code fences, no commentary:\n {\"caption\":\"...\",\"tags\":[\"...\",\"...\"],\"slides\":[{\"title\":\"...\",\"body\":\"...\",\"image_prompt\":\"...\"}]}\n\n ARTICLE TITLE: {{ $json.title }}\n\n ARTICLE:\n {{ $json[\"content:encoded\"] }}",
"messages": {
"messageValues": [
{
"message": "You are an expert LinkedIn carousel copywriter. You always return valid minified JSON and nothing else."
}
]
},
"batching": {}
},
"type": "@n8n/n8n-nodes-langchain.chainLlm",
"typeVersion": 1.9,
"position": [
576,
-176
],
"id": "7d069dce-b703-4a42-ac33-0598d865e1e0",
"name": "Basic LLM Chain"
},
{
"parameters": {
"model": "deepseek-v4-pro",
"options": {}
},
"type": "@n8n/n8n-nodes-langchain.lmChatDeepSeek",
"typeVersion": 1,
"position": [
576,
80
],
"id": "9335ef86-74f8-492f-84eb-6c4f25bc05c5",
"name": "DeepSeek Chat Model",
"credentials": {
"deepSeekApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"content": "Let the LLM summarize and create text for 5 slides. If you want fewer, change the prompt accordingly.",
"height": 512,
"width": 320
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
528,
-288
],
"id": "74b3e5bd-33d3-4b35-886f-be58d6483ca9",
"name": "Sticky Note11"
},
{
"parameters": {
"fieldToSplitOut": "slides",
"options": {}
},
"type": "n8n-nodes-base.splitOut",
"typeVersion": 1,
"position": [
1216,
-176
],
"id": "0ef31a8f-a23e-452f-8a44-bdb887a57057",
"name": "Split into slides"
},
{
"parameters": {
"jsCode": "// \"Run Once for Each Item\" \u2014 or All Items\n const raw = String($json.text ?? $json.output ?? '');\n const m = raw.match(/```(?:json)?\\s*([\\s\\S]*?)```/i);\n const jsonStr = m ? m[1] : raw.slice(raw.indexOf('{'), raw.lastIndexOf('}') + 1);\n return [{ json: JSON.parse(jsonStr.trim()) }];\n"
},
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
928,
-176
],
"id": "3a3361fd-dfd8-4b57-96e4-648e8f0d6cb7",
"name": "Parse slides JSON"
},
{
"parameters": {
"content": "Parse the response into something more useful",
"height": 512,
"width": 256
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
880,
-288
],
"id": "0c1f1c50-d884-482f-b98c-62201f4e0409",
"name": "Sticky Note12"
},
{
"parameters": {
"content": "Split out to 5 title / body items, one for each slide.",
"height": 512
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
1152,
-288
],
"id": "d275d34a-fcda-4c13-a19f-4fe1196de800",
"name": "Sticky Note13"
},
{
"parameters": {
"model": {
"__rl": true,
"value": "fal-ai/flux/schnell",
"mode": "list",
"cachedResultName": "FLUX.1 [schnell] [text-to-image]"
},
"modelParameters": {
"parameters": [
{
"parameter": "image_size",
"value": "square_hd"
},
{
"parameter": "prompt",
"value": "={{ $json.theme_color }} smooth gradient, minimal flat graphic background, a couple of subtle soft tonal shapes in the same color slightly lighter, clean modern,\n lots of plain empty space, professional, no text"
}
]
},
"options": {
"waitForCompletion": true,
"pollInterval": 5,
"maxWaitTime": 600
}
},
"type": "@fal-ai/n8n-nodes-fal.falAi",
"typeVersion": 1,
"position": [
1936,
-176
],
"id": "d037dbcb-88e9-4daf-b655-7b63bdb29a6e",
"name": "Generate media using AI model",
"credentials": {
"falAiApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"content": "Generate some background images. Recraft V3.",
"height": 512,
"width": 256
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
1856,
-288
],
"id": "0eb79ec8-c34b-420f-b3c3-91071ef18e06",
"name": "Sticky Note14"
},
{
"parameters": {
"jsCode": "\n const text = $('Split into slides').all(); \n\n return [{\n json: {\n slides: $input.all().map((up, i) => ({\n media_id: up.json.media?.id ?? up.json.media_id ?? up.json.id,\n title: text[i].json.title,\n body: text[i].json.body,\n })),\n },\n }];"
},
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
2736,
-96
],
"id": "54b17e8d-38c1-4fa8-9bf7-a59ce2611c7e",
"name": "Re-assemble slides"
},
{
"parameters": {
"content": "Re-assemble the slides array, now we have image, title, body",
"height": 512
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
2672,
-288
],
"id": "acdf22e4-fe38-489f-a4f2-cd47bdc7a156",
"name": "Sticky Note15"
},
{
"parameters": {
"resource": "media",
"operation": "generateTextCarouselPdf",
"slides": "={{ JSON.stringify($json.slides.map(s => ({ media_id: s.media_id, title: s.title, body: s.body }))) }}",
"logoMediaId": "3cd2fd96-1281-4742-b8e8-f6a65959b3d5"
},
"type": "n8n-nodes-posta.posta",
"typeVersion": 1,
"position": [
2992,
-96
],
"id": "b07ff25d-45b4-4fb5-9c87-6c58d21aafab",
"name": "Generate text carousel PDF",
"credentials": {
"postaApi": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"assignments": {
"assignments": [
{
"id": "a1aa8531-76b0-46b0-a086-0bd10267f8ca",
"name": "theme_color",
"value": "dark blue",
"type": "string"
},
{
"id": "6f3c8682-8438-4d6f-9a6c-b0c7bc484421",
"name": "title",
"value": "={{ $json.title }}",
"type": "string"
},
{
"id": "838aea94-15c5-4e78-9de5-9a71aea42079",
"name": "image_prompt",
"value": "={{ $json.image_prompt }}",
"type": "string"
},
{
"id": "4741cf92-5741-4db8-abd3-e5dff31ad658",
"name": "body",
"value": "={{ $json.body }}",
"type": "string"
}
]
},
"options": {}
},
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
1568,
-176
],
"id": "afaf794a-db70-428c-a24a-ab150a5dd8b6",
"name": "theme_color"
},
{
"parameters": {
"content": "Set a **theme color** to make sure the slides use the same color scheme",
"height": 512,
"width": 272
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
1488,
-288
],
"id": "ab6d300d-da22-41ec-b98c-6ad98a08aaa3",
"name": "Sticky Note16"
},
{
"parameters": {
"content": "Generate the PDF carousel. Note the optional Logo Media ID to set a logo in the slides.",
"height": 512
},
"type": "n8n-nodes-base.stickyNote",
"typeVersion": 1,
"position": [
2928,
-288
],
"id": "4fc4f6e7-ae0d-4839-b796-3c4262bb3d69",
"name": "Sticky Note17"
}
],
"connections": {
"When clicking \u2018Execute workflow\u2019": {
"main": [
[
{
"node": "Get many social accounts",
"type": "main",
"index": 0
},
{
"node": "RSS Read",
"type": "main",
"index": 0
}
]
]
},
"RSS Read": {
"main": [
[
{
"node": "Latest post",
"type": "main",
"index": 0
}
]
]
},
"Download generated background": {
"main": [
[
{
"node": "Upload media",
"type": "main",
"index": 0
}
]
]
},
"Upload media": {
"main": [
[
{
"node": "Re-assemble slides",
"type": "main",
"index": 0
}
]
]
},
"Create a post": {
"main": [
[]
]
},
"DeepSeek Chat Model": {
"ai_languageModel": [
[
{
"node": "Basic LLM Chain",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Latest post": {
"main": [
[
{
"node": "Basic LLM Chain",
"type": "main",
"index": 0
}
]
]
},
"Basic LLM Chain": {
"main": [
[
{
"node": "Parse slides JSON",
"type": "main",
"index": 0
}
]
]
},
"Parse slides JSON": {
"main": [
[
{
"node": "Split into slides",
"type": "main",
"index": 0
}
]
]
},
"Split into slides": {
"main": [
[
{
"node": "theme_color",
"type": "main",
"index": 0
}
]
]
},
"Generate media using AI model": {
"main": [
[
{
"node": "Download generated background",
"type": "main",
"index": 0
}
]
]
},
"Re-assemble slides": {
"main": [
[
{
"node": "Generate text carousel PDF",
"type": "main",
"index": 0
}
]
]
},
"Generate text carousel PDF": {
"main": [
[
{
"node": "Create a post",
"type": "main",
"index": 0
}
]
]
},
"theme_color": {
"main": [
[
{
"node": "Generate media using AI model",
"type": "main",
"index": 0
}
]
]
}
},
"active": false,
"settings": {
"executionOrder": "v1",
"binaryMode": "separate",
"availableInMCP": false
},
"versionId": "6c394a30-d605-4244-bb79-24fe225b06c7",
"meta": {
"templateCredsSetupCompleted": true
},
"id": "PLUSdT5qkKZrNMfX",
"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"
},
{
"updatedAt": "2026-06-04T10:18:35.324Z",
"createdAt": "2026-06-04T10:18:35.324Z",
"id": "YoazfSGedHuWQz2y",
"name": "linkedin"
}
]
}
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.
deepSeekApifalAiApipostaApi
Pro
For the full experience including quality scoring and batch install features for each workflow upgrade to Pro
About this workflow
Create LinkedIn carousel post from blog post. Uses rssFeedRead, n8n-nodes-posta, httpRequest, chainLlm. Event-driven trigger; 30 nodes.
Source: https://github.com/STGime/posta-n8n-workflows/blob/main/workflows/blog-to-linkedin-carousel.json — original creator credit. Request a take-down →
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