Stefan Gimeson This workflow corresponds to n8n.io template #16361 — we link there as the canonical source.
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 →
{
"id": "ZIzfh6sIe4ToAqeC",
"meta": {
"templateCredsSetupCompleted": true
},
"name": "E-commerce product launch campaign",
"tags": [
{
"id": "8xBogo6fq3RQfLdT",
"name": "autopost",
"createdAt": "2026-06-02T09:01:25.831Z",
"updatedAt": "2026-06-02T09:01:25.831Z"
},
{
"id": "ESvKanJ6OwKaH6u4",
"name": "posta",
"createdAt": "2026-06-02T09:01:40.639Z",
"updatedAt": "2026-06-02T09:01:40.639Z"
},
{
"id": "Yj8jMnpGLDXpmAr4",
"name": "e-commerce",
"createdAt": "2026-06-03T12:31:06.730Z",
"updatedAt": "2026-06-03T12:31:06.730Z"
},
{
"id": "ZG1V0O463Dgrj7Gj",
"name": "product",
"createdAt": "2026-06-03T12:31:12.744Z",
"updatedAt": "2026-06-03T12:31:12.744Z"
}
],
"nodes": [
{
"id": "4e36d194-eb12-48fe-8ffd-09dbc45f5f14",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1184,
-336
],
"parameters": {
"width": 480,
"height": 816,
"content": "## E-commerce product launch campaign\n\n### How it works\n\n1. A manual trigger fetches the product, downloads its image, and uploads it to Posta as media.\n2. Your active social accounts are selected and de-duplicated to one post per platform.\n3. The product and platforms are combined and expanded into a multi-day campaign matrix.\n4. An LLM writes per-platform captions, which are parsed and merged back per account.\n5. Posta creates the scheduled launch posts across the campaign.\n\n### Setup steps\n\n- [ ] Add your Posta credential (API token) to the Posta nodes\n- [ ] Add your DeepSeek (LLM) credential to the 'Basic LLM Chain' model\n- [ ] Point 'Fetch product' at your product source (URL or API)\n- [ ] Confirm the accounts in 'Get many social accounts' and the campaign length in 'Expand to days'\n\n### Customization\n\nChange the number of campaign days and the per-platform caption prompt to fit your launch."
},
"typeVersion": 1
},
{
"id": "a8f16864-4140-4359-86bb-f3aa5e912fac",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
-624,
-336
],
"parameters": {
"color": 7,
"width": 1056,
"height": 272,
"content": "## Fetch product and media\n\nStarts the run, fetches the product, and uploads its image to Posta."
},
"typeVersion": 1
},
{
"id": "cff07305-37a3-4bd8-b7c6-b1b0d9e2e10b",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
-400,
-32
],
"parameters": {
"color": 7,
"width": 816,
"height": 352,
"content": "## Select target accounts\n\nLoads social accounts, keeps active ones, and limits to one post per platform."
},
"typeVersion": 1
},
{
"id": "c349713b-94a5-4985-9d16-51e00eda3b25",
"name": "Sticky Note3",
"type": "n8n-nodes-base.stickyNote",
"position": [
544,
-336
],
"parameters": {
"color": 7,
"width": 448,
"height": 304,
"content": "## Build campaign matrix\n\nCombines product and platforms, then expands into a multi-day schedule."
},
"typeVersion": 1
},
{
"id": "43007709-31a8-4af9-9c38-8ed152ac2d3a",
"name": "Sticky Note4",
"type": "n8n-nodes-base.stickyNote",
"position": [
1104,
-336
],
"parameters": {
"color": 7,
"width": 544,
"height": 544,
"content": "## Generate captions with AI\n\nAn LLM writes per-platform captions, which are then parsed into structured data."
},
"typeVersion": 1
},
{
"id": "a6fabe76-fa14-4899-9761-9d80d672b198",
"name": "Sticky Note5",
"type": "n8n-nodes-base.stickyNote",
"position": [
1776,
-112
],
"parameters": {
"color": 7,
"width": 480,
"height": 304,
"content": "## Assemble and publish\n\nMerges captions per account and creates the scheduled launch posts."
},
"typeVersion": 1
},
{
"id": "71e9da98-d459-41ff-9796-09e645ad6de8",
"name": "When clicking \u2018Execute workflow\u2019",
"type": "n8n-nodes-base.manualTrigger",
"position": [
-576,
-224
],
"parameters": {},
"typeVersion": 1
},
{
"id": "95935938-a652-4bff-b5ec-5ef6801aa73c",
"name": "Fetch product",
"type": "n8n-nodes-base.httpRequest",
"position": [
-352,
-224
],
"parameters": {
"url": "https://fakestoreapi.com/products/1",
"options": {}
},
"typeVersion": 4.4
},
{
"id": "dce15ba8-975c-46f6-ac1c-2017bc9b480a",
"name": "Basic LLM Chain",
"type": "@n8n/n8n-nodes-langchain.chainLlm",
"position": [
1152,
-208
],
"parameters": {
"text": "=Write ONE {{ $json.platform }} caption for day {{ $json.day }} of a 5-day campaign\n for \"{{ $json.title }}\" ({{ $json.description }}, ${{ $json.price }}).\n End with 3\u20135 relevant hashtags. Return only the caption \u2014 no preamble.",
"batching": {},
"messages": {
"messageValues": [
{
"message": "You are the best social media marketing expert in the world."
}
]
},
"promptType": "define"
},
"typeVersion": 1.9
},
{
"id": "044989a2-8cf9-4865-a50a-51b2c58f72e8",
"name": "DeepSeek Chat Model",
"type": "@n8n/n8n-nodes-langchain.lmChatDeepSeek",
"position": [
1152,
48
],
"parameters": {
"model": "deepseek-v4-pro",
"options": {}
},
"credentials": {
"deepSeekApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "23da3937-9a5c-40d3-b871-82fbfd291199",
"name": "Get many social accounts",
"type": "n8n-nodes-posta.posta",
"position": [
-352,
80
],
"parameters": {
"resource": "socialAccount"
},
"credentials": {
"postaApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "886cbb0c-d24a-4344-a2d7-e9652ba78d56",
"name": "Keep active accounts",
"type": "n8n-nodes-base.filter",
"position": [
-64,
80
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 3,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "965b8dcb-cbbf-4a09-be7d-91190b09681e",
"operator": {
"type": "boolean",
"operation": "true",
"singleValue": true
},
"leftValue": "={{ $json.isActive }}",
"rightValue": false
},
{
"id": "0650294d-1302-4d4b-97ed-14826faddb9a",
"operator": {
"name": "filter.operator.equals",
"type": "string",
"operation": "equals"
},
"leftValue": "",
"rightValue": ""
}
]
}
},
"typeVersion": 2.3
},
{
"id": "40308f8a-15ff-4eaf-a450-2f8db59ea539",
"name": "One post per platform",
"type": "n8n-nodes-base.removeDuplicates",
"position": [
272,
160
],
"parameters": {
"compare": "selectedFields",
"options": {},
"fieldsToCompare": "platform"
},
"typeVersion": 2
},
{
"id": "a12e72fe-1ba7-4895-b419-097d34ca44ed",
"name": "Combine product + platforms",
"type": "n8n-nodes-base.merge",
"position": [
592,
-208
],
"parameters": {
"mode": "combine",
"options": {},
"combineBy": "combineAll"
},
"typeVersion": 3.2
},
{
"id": "70a87504-d83b-4a22-b4d3-ada5dcc09b30",
"name": "Parse LLM captions",
"type": "n8n-nodes-base.code",
"position": [
1504,
-208
],
"parameters": {
"jsCode": "const ctx = $('Expand to days').all();\n return $input.all().map((item, i) => {\n const day = ctx[i].json.day;\n return {\n json: {\n platform: ctx[i].json.platform,\n day,\n caption: item.json.text,\n mediaId: ctx[i].json.mediaId,\n scheduledAt: $now\n .plus({ days: day }) // day 1 = tomorrow, day 5 = +5\n .set({ hour: 9, minute: 0, second: 0, millisecond: 0 }) // post at 09:00\n .toUTC()\n .toISO(), // strict UTC ISO the API wants\n },\n };\n });"
},
"typeVersion": 2
},
{
"id": "b12bdda8-009d-4a53-bfca-d213eb8153b3",
"name": "Expand to days",
"type": "n8n-nodes-base.code",
"position": [
848,
-208
],
"parameters": {
"jsCode": "return $input.all().flatMap(i =>\n [1,2,3,4,5].map(day => ({ json: { ...i.json, day } }))\n );"
},
"typeVersion": 2
},
{
"id": "1447b440-295f-4586-b626-04641c2979bb",
"name": "Merge captions per account",
"type": "n8n-nodes-base.merge",
"position": [
1824,
16
],
"parameters": {
"mode": "combine",
"options": {},
"fieldsToMatchString": "platform"
},
"typeVersion": 3.2
},
{
"id": "60fbaf61-4f56-4607-b851-a0a1f10ef977",
"name": "Create a post",
"type": "n8n-nodes-posta.posta",
"position": [
2112,
16
],
"parameters": {
"caption": "={{ $json.caption }}",
"resource": "post",
"operation": "create",
"additionalFields": {
"isDraft": false,
"mediaIds": "= {{ $json.mediaId }}"
},
"socialAccountIds": "= {{ $json.id }}",
"platformConfigurations": {}
},
"credentials": {
"postaApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "d1f45c2b-c557-48da-b10a-708491d81c70",
"name": "Download product image",
"type": "n8n-nodes-base.httpRequest",
"position": [
-96,
-224
],
"parameters": {
"url": "={{ $json.image }}",
"options": {
"response": {
"response": {
"responseFormat": "file"
}
}
}
},
"typeVersion": 4.4
},
{
"id": "b8d6ab49-2385-48fb-b7a3-b69bb6a95797",
"name": "Upload media",
"type": "n8n-nodes-posta.posta",
"position": [
80,
-224
],
"parameters": {
"resource": "media"
},
"credentials": {
"postaApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "205d4483-bb45-4bd1-bcf7-525fd22f56eb",
"name": "Attach product media id",
"type": "n8n-nodes-base.set",
"position": [
288,
-224
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "c5a46e5b-3a92-42b8-bf14-d473fee0281c",
"name": "mediaId",
"type": "string",
"value": "={{ $json.media.id }}"
},
{
"id": "7addd58f-f2da-4dbb-8865-cfaa061de77d",
"name": "title",
"type": "string",
"value": "={{ $('Fetch product').first().json.title }}"
},
{
"id": "ddbf23e7-facd-4b29-8406-d9c39d4d8f20",
"name": "description",
"type": "string",
"value": "={{ $('Fetch product').first().json.description }}"
},
{
"id": "ad5022e7-ddf4-48c6-9aa0-6f80b9cc5f31",
"name": "price",
"type": "string",
"value": "={{ $('Fetch product').first().json.price }}"
},
{
"id": "775e372b-c120-4ab2-ac72-c23527ca7dc2",
"name": "image",
"type": "string",
"value": "={{ $('Fetch product').first().json.image }}"
}
]
}
},
"typeVersion": 3.4
}
],
"active": false,
"settings": {
"binaryMode": "separate",
"executionOrder": "v1"
},
"versionId": "4ddba110-25ff-4606-8e61-cf21aea05740",
"connections": {
"Upload media": {
"main": [
[
{
"node": "Attach product media id",
"type": "main",
"index": 0
}
]
]
},
"Fetch product": {
"main": [
[
{
"node": "Download product image",
"type": "main",
"index": 0
}
]
]
},
"Expand to days": {
"main": [
[
{
"node": "Basic LLM Chain",
"type": "main",
"index": 0
}
]
]
},
"Basic LLM Chain": {
"main": [
[
{
"node": "Parse LLM captions",
"type": "main",
"index": 0
}
]
]
},
"Parse LLM captions": {
"main": [
[
{
"node": "Merge captions per account",
"type": "main",
"index": 0
}
]
]
},
"DeepSeek Chat Model": {
"ai_languageModel": [
[
{
"node": "Basic LLM Chain",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Keep active accounts": {
"main": [
[
{
"node": "One post per platform",
"type": "main",
"index": 0
}
]
]
},
"One post per platform": {
"main": [
[
{
"node": "Combine product + platforms",
"type": "main",
"index": 1
},
{
"node": "Merge captions per account",
"type": "main",
"index": 1
}
]
]
},
"Download product image": {
"main": [
[
{
"node": "Upload media",
"type": "main",
"index": 0
}
]
]
},
"Attach product media id": {
"main": [
[
{
"node": "Combine product + platforms",
"type": "main",
"index": 0
}
]
]
},
"Get many social accounts": {
"main": [
[
{
"node": "Keep active accounts",
"type": "main",
"index": 0
}
]
]
},
"Merge captions per account": {
"main": [
[
{
"node": "Create a post",
"type": "main",
"index": 0
}
]
]
},
"Combine product + platforms": {
"main": [
[
{
"node": "Expand to days",
"type": "main",
"index": 0
}
]
]
},
"When clicking \u2018Execute workflow\u2019": {
"main": [
[
{
"node": "Fetch product",
"type": "main",
"index": 0
},
{
"node": "Get many social accounts",
"type": "main",
"index": 0
}
]
]
}
}
}
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
This workflow runs manually, fetches the product data and image via HTTP, generates 5-day captions in DeepSeek, and schedules posts in Posta for the active social accounts, limiting it to one account per platform. Runs when you manually execute the workflow. Fetches a product…
Source: https://n8n.io/workflows/16361/ — original creator credit. Request a take-down →
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