January 22, 2026

RSS to Instagram, branded posts via OpenAI

Lisa Granqvist Partner Workflow Automation Expert

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Your Instagram goes quiet for a week, then you scramble to post. Not because you ran out of ideas, but because turning “good links” into branded content is a grind. RSS Instagram automation fixes that gap.

This hits marketing managers first. But founders juggling sales and delivery feel it too, and so do agency owners trying to keep client feeds alive without adding headcount. The outcome is simple: consistent, on-brand posts that publish themselves.

This workflow takes new RSS items, uses OpenAI to write captions and generate image prompts, builds a branded visual, and publishes through Blotato. You’ll see how the automation works, what you need, and what to tweak so it sounds like you.

How This Automation Works

The full n8n workflow, from trigger to final output:

n8n Workflow Template: RSS to Instagram, branded posts via OpenAI

Click to explore

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The Problem: RSS Content Dies in Drafts

Most teams already have a steady stream of content. Blog posts. Press mentions. Industry news. It’s sitting right there in RSS, but it never becomes an Instagram post because the last mile is annoying. You have to skim the article, rewrite the headline so it doesn’t sound like a robot, create a visual that matches your brand, then upload everything and write a caption. Do that a few times and it starts slipping. Then the feed looks inconsistent, which is a trust problem, not just a content problem.

It adds up fast. Here’s where it breaks down in real life.

Each post takes long enough that “I’ll do it later” becomes “we didn’t post this week.”
Branded visuals get skipped, so the feed turns into mismatched screenshots and rushed templates.
Captions end up inconsistent because every person writes in a different voice.
Manual posting means manual mistakes, like the wrong link, the wrong crop, or posting at the worst time.

The Solution: RSS-to-Instagram Branded Publishing

This n8n workflow turns an RSS feed into finished Instagram posts without you babysitting it. When a new item appears in your feed, OpenAI rewrites the headline and creates a social-friendly angle so it reads like a post, not a copied title. It also generates an image prompt that matches the topic and mood, which is then used to create a backdrop image. Next, the workflow pulls in your brand icon/logo, uploads the assets, and asks JsonCut to render a clean branded layout (background, headline text overlay, logo). Once the render job finishes, Blotato uploads the media asset and publishes the Instagram post with a caption generated by OpenAI.

The workflow starts with an RSS trigger watching your chosen source. In the middle, it generates text and imagery, then renders a branded graphic with JsonCut. Finally, Blotato publishes to Instagram (and can be extended to other channels) so your feed stays active without manual uploads.

What You Get: Automation vs. Results

What This Workflow Automates

Results You’ll Get

It watches your RSS feed and pulls in new items automatically.
It rewrites headlines and generates Instagram-ready captions with OpenAI.
It creates a branded image by combining a backdrop, text overlay, and your logo via JsonCut.
It uploads and publishes the final post through Blotato, with job-status checks to avoid partial posts.

Most teams get posting time down to about 10 minutes of setup, then basically zero per post.
Your feed stays visually consistent because every post uses the same layout rules.
You stop losing good links in the “we should share this” pile.
Fewer last-minute errors, because the workflow follows the same steps every time.
It becomes realistic to publish daily, even with a small team.

Example: What This Looks Like

Say your RSS feed produces 5 share-worthy items a week. Manually, a typical post might take about 20 minutes to rewrite the text, another 20 to build a branded image, plus 10 minutes to upload, caption, and double-check. That’s roughly 4 hours a week. With this workflow, setup is under 10 minutes once credentials are in place, then each new item triggers automatically while the system polls the render job every 3 seconds until the image is ready. You get the posts out without blocking someone’s afternoon.

What You’ll Need

n8n instance (try n8n Cloud free)
Self-hosting option if you prefer (Hostinger works well)
OpenAI for captions and image prompt generation
JsonCut to render branded images automatically
Blotato API Key (get it from www.blotato.com)

Skill level: Beginner. You’ll paste API keys, choose an RSS URL, and adjust a couple of text fields.

Don’t want to set this up yourself? Talk to an automation expert (free 15-minute consultation).

How It Works

A new RSS item appears. The RSS Intake Trigger monitors your feed and passes the headline and link into the workflow as soon as something new is detected.

Text and visual direction are generated. OpenAI drafts a rewritten headline and an image prompt that matches the topic, so you get something “Instagram-native” instead of a pasted article title.

Your branded image gets produced and rendered. The workflow creates a backdrop image, fetches your logo, uploads both, then sends the storage links into JsonCut to render the final design. It waits and checks status repeatedly, because rendering isn’t instant.

The post is published. Once the final image is retrieved, Blotato uploads the media asset, OpenAI composes the IG caption, and Blotato publishes the Instagram post.

You can easily modify the caption tone to match your brand voice based on your needs. See the full implementation guide below for customization options.

Step-by-Step Implementation Guide

Step 1: Configure the RSS Feed Trigger

Start the workflow by defining the RSS source that will drive every new image post.

Add the RSS Intake Trigger node and set Feed URL to https://feeds.bbci.co.uk/news/world/rss.xml.
In Poll Times, keep Mode set to everyMinute to check for updates frequently.

Step 2: Connect OpenAI for Headline, Prompt, and Caption Generation

These nodes generate the Instagram headline, image prompt, and caption text from RSS content.

Open Draft Headline & Prompt and set Model to gpt-5-mini with JSON Output enabled.
Credential Required: Connect your openAiApi credentials in Draft Headline & Prompt.
Open Create Backdrop Image and set Prompt to {{ $json.message.content.image_prompt }}, with Resource set to image and Size 1024x1024.
Credential Required: Connect your openAiApi credentials in Create Backdrop Image.
Open Compose IG Caption and keep the message template that references {{ $('RSS Intake Trigger').item.json.title }} and {{ $('RSS Intake Trigger').item.json.content }}.
Credential Required: Connect your openAiApi credentials in Compose IG Caption.

Create Backdrop Image outputs to both Fetch Backdrop File and Fetch Brand Icon in parallel.

Step 3: Upload Assets and Build the Render Job

These nodes upload the generated backdrop and brand icon, then submit a render request to the image compositor API.

Open Fetch Backdrop File and keep URL set to {{ $json.url }} to download the AI image output.
Open Fetch Brand Icon and keep URL set to https://img.icons8.com/?size=100&id=tn7B1mGNMgGC&format=png&color=000000.
For Send Backdrop File, Send Logo File, Initiate Render Job, Verify Job Status, and Retrieve Rendered Image, ensure Authentication is genericCredentialType with Generic Auth Type httpHeaderAuth.
Credential Required: Connect your httpHeaderAuth credentials in Send Backdrop File, Send Logo File, Initiate Render Job, Verify Job Status, and Retrieve Rendered Image.
In Initiate Render Job, keep URL set to https://api.jsoncut.com/api/v1/jobs and JSON Body set to the provided template that references {{ $json.storageUrl[0] }}, {{ $json.storageUrl[1] }}, and {{ $('Draft Headline & Prompt').item.json.message.content.headline }}.
In Collect Storage Links, keep Fields to Aggregate set to aggregate data.storageUrl so the render job has both file URLs.

Send Backdrop File and Send Logo File converge in Combine Uploads, then flow into Collect Storage Links.

Step 4: Configure Rendering Polling and Media Publishing

This sequence waits for the render job to complete, retrieves the image, then uploads it for posting.

In Delay Interval, set Unit to seconds and Amount to 3 for polling cadence.
Open Verify Job Status and set URL to https://api.jsoncut.com/api/v1/jobs/{{ $json.data.jobId }}.
In Completion Check, set the string condition to compare {{ $json.data.status }} equals COMPLETED.
In Retrieve Rendered Image, set URL to https://api.jsoncut.com/api/v1/files/{{ $json.data.outputFileId }}/download and keep response format as file.
Open Publish Media Asset and keep Resource set to media with Use Binary Data enabled.
Credential Required: Connect your blotatoApi credentials in Publish Media Asset.

Step 5: Configure Instagram Posting

Use the generated caption and uploaded media URL to publish the Instagram post.

Open Publish IG Post and set Post Content Text to {{ $json.message.content }}.
Set Post Content Media URLs to {{ $('Publish Media Asset').item.json.data[0].url }}.
Set Account ID to your Instagram account reference (replace [YOUR_ID]).
Credential Required: Connect your blotatoApi credentials in Publish IG Post.

⚠️ Common Pitfall: If Account ID remains [YOUR_ID], the post will fail. Replace it with a valid account reference from Blotato.

Step 6: Add Error Handling

Handle failed or cancelled render jobs to prevent silent errors.

In Failure Check, keep the string conditions comparing {{ $json.data.status }} to FAILED and CANCELLED.
Ensure the Failure Check failure path routes to Abort With Error.
In Abort With Error, keep Error Message set to Failed to generate image.

Keep Delay Interval connected from the success path of Failure Check so the job continues polling until completion.

Step 7: Test and Activate Your Workflow

Validate the end-to-end flow before turning it on in production.

Click Execute Workflow and wait for a new item from RSS Intake Trigger.
Confirm the AI output in Draft Headline & Prompt contains a valid JSON with headline and image_prompt.
Verify that Retrieve Rendered Image outputs binary data and that Publish Media Asset returns a media URL.
Confirm Publish IG Post returns a successful post response with the new caption and media.
When testing is successful, toggle the workflow to Active for continuous execution.

🔒

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Common Gotchas

Blotato credentials can expire or need specific permissions. If things break, check your Blotato API key and connected channel permissions in your Blotato account first.
If you’re using Wait nodes or external rendering, processing times vary. Bump up the wait duration if downstream nodes fail on empty responses.
OpenAI prompts start generic unless you personalize them. Add your brand voice and “do/don’t” rules in the Compose IG Caption prompt or you’ll be editing outputs forever.

Frequently Asked Questions

How long does it take to set up this RSS Instagram automation automation?

Under 10 minutes once your credentials are ready.

Do I need coding skills to automate RSS Instagram automation?

No. You will connect accounts, paste API keys, and edit a couple of prompts.

Is n8n free to use for this RSS Instagram automation workflow?

Yes. n8n has a free self-hosted option and a free trial on n8n Cloud. Cloud plans start at $20/month for higher volume. You’ll also need to factor in OpenAI API usage plus any Blotato plan costs.

Where can I host n8n to run this automation?

Two options: n8n Cloud (managed, easiest setup) or self-hosting on a VPS. For self-hosting, Hostinger VPS is affordable and handles n8n well. Self-hosting gives you unlimited executions but requires basic server management.

Can I customize this RSS Instagram automation workflow for a different brand layout?

Yes, and it’s one of the best reasons to use this workflow. You’ll adjust the layout rules in the “Initiate Render Job” step that sends the composition to JsonCut, plus the logo/backdrop inputs that get uploaded earlier. Common tweaks include moving the logo, changing font sizes for long headlines, adding a color overlay for readability, and switching from square to portrait formats. If you want a different publishing tool, you can also replace the Blotato publish steps with another integration.

Why is my Blotato connection failing in this workflow?

Usually it’s an expired or incorrect API key in your Blotato credential. Update the key in n8n, then confirm your Instagram channel is still connected inside Blotato. If it fails only on busy days, you may be hitting rate limits or attempting to publish before the media asset upload finished. In that case, extend the wait or double-check that the “Publish Media Asset” step returns a valid asset ID before posting.

How many posts can this RSS Instagram automation automation handle?

A lot. On n8n Cloud, your limit depends on your monthly executions, and self-hosting has no fixed execution cap (it’s mostly your server and API quotas). In practice, the main bottleneck is rendering and posting throughput, since the workflow waits on JsonCut job completion before publishing.

Is this RSS Instagram automation automation better than using Zapier or Make?

Often, yes, because this workflow has branching, polling/wait logic, and multi-step media handling that gets awkward (and pricey) in simpler automation tools. n8n is also easier to self-host, which matters when you’re processing lots of RSS items. Zapier or Make can still be fine for lightweight drafts or “send me a notification” type flows. For direct publishing plus branded image rendering, n8n tends to feel less constrained. If you want a second opinion for your exact setup, Talk to an automation expert.

Once this is running, your RSS feed stops being “nice to have” and starts powering a consistent Instagram presence. Honestly, it’s a relief to stop pushing posts over the finish line by hand.

Need Help Setting This Up?

Our automation experts can build and customize this workflow for your specific needs. Free 15-minute consultation—no commitment required.

Lisa Granqvist

Workflow Automation Expert

Expert in workflow automation and no-code tools.

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"jsonBody": "={\n  \"type\": \"image\",\n  \"config\": {\n    \"width\": 1024,\n    \"height\": 1024,\n    \"layers\": [\n      {\n        \"type\": \"image\",\n        \"path\": \"{{ $json.storageUrl[0] }}\",\n        \"position\": \"center\",\n        \"width\": 1024,\n        \"height\": 1024,\n        \"fit\": \"cover\",\n        \"blur\": 3\n      },\n      { \"type\": \"rectangle\",\n        \"width\": 300,\n        \"fill\": \"#6be3a2\",\n        \"height\": 3,\n        \"position\": {\n          \"originX\": \"right\",\n          \"originY\": \"center\",\n          \"x\": 0.4,\n          \"y\": 0.5\n        }\n      },\n      { \"type\": \"rectangle\",\n        \"width\": 300,\n        \"fill\": \"#6be3a2\",\n        \"height\": 3,\n        \"position\": {\n          \"originX\": \"left\",\n          \"originY\": \"center\",\n          \"x\": 0.6,\n          \"y\": 0.5\n        }\n      },\n      {\n        \"type\": \"image\",\n        \"path\": \"{{ $json.storageUrl[1] }}\",\n        \"position\": \"center\",\n        \"width\": 100,\n        \"height\": 100,\n        \"fit\": \"contain\"\n      },\n      {\n        \"type\": \"text\",\n        \"text\": \"{{ $('Draft Headline & Prompt').item.json.message.content.headline }}\",\n        \"googleFont\": \"Roboto:800\",\n        \"width\": 800,\n        \"position\": {\n          \"x\": 0.5,\n          \"y\": 0.6,\n          \"originX\": \"center\",\n          \"originY\": \"top\"\n        },\n        \"wrap\": true,\n        \"fontSize\": 75,\n        \"color\": \"#6be3a2\",\n        \"align\": \"center\"\n      },\n      {\n        \"type\": \"text\",\n        \"text\": \"source: bbc\",\n        \"position\": {\n          \"x\": 0.95,\n          \"y\": 0.95,\n          \"originX\": \"right\",\n          \"originY\": \"bottom\"\n        },\n        \"fontSize\": 16,\n        \"color\": \"#FFFFFF\",\n        \"align\": \"right\",\n        \"fontFamily\": \"Arial\"\n      }\n    ],\n    \"format\": \"png\"\n  }\n}",
"sendBody": true,
"sendHeaders": true,
"specifyBody": "json",
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth",
"headerParameters": {
"parameters": [
{
"name": "Content-Type",
"value": "application/json"
},
{
"name": "Accept",
"value": "application/json"
}
]
}
},
"credentials": {
"httpHeaderAuth": {
"id": "credential-id",
"name": ""
}
},
"typeVersion": 4.1
},
{
"id": "9d5b9817-93c7-42c4-8da9-81c5c1c02f73",
"name": "Delay Interval",
"type": "n8n-nodes-base.wait",
"position": [
970,
585
],
"webhookId": "5c413144-f196-40c6-b5f9-0e2be8384ca4",
"parameters": {
"unit": "seconds",
"amount": 3
},
"typeVersion": 1
},
{
"id": "d3db3b31-7eb6-4fd1-a1a3-e4ff65e1cadd",
"name": "Verify Job Status",
"type": "n8n-nodes-base.httpRequest",
"position": [
755,
615
],
"parameters": {
"url": "=https://api.jsoncut.com/api/v1/jobs/{{ $json.data.jobId }}",
"options": [],
"sendHeaders": true,
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth",
"headerParameters": {
"parameters": [
{
"name": "Accept",
"value": "application/json"
}
]
}
},
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"name": ""
}
},
"typeVersion": 4.1
},
{
"id": "a9b88701-da61-43bf-b0d7-53b2663e72af",
"name": "Completion Check",
"type": "n8n-nodes-base.if",
"position": [
460,
605
],
"parameters": {
"conditions": {
"string": [
{
"value1": "={{ $json.data.status }}",
"value2": "COMPLETED"
}
]
}
},
"typeVersion": 1
},
{
"id": "90295a9f-6e2c-4c99-b009-7efddc24d4b7",
"name": "Retrieve Rendered Image",
"type": "n8n-nodes-base.httpRequest",
"position": [
275,
570
],
"parameters": {
"url": "=https://api.jsoncut.com/api/v1/files/{{ $json.data.outputFileId }}/download",
"options": {
"response": {
"response": {
"responseFormat": "file"
}
}
},
"sendHeaders": true,
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth",
"headerParameters": {
"parameters": [
{
"name": "Accept",
"value": "application/octet-stream"
}
]
}
},
"credentials": {
"httpHeaderAuth": {
"id": "credential-id",
"name": ""
}
},
"typeVersion": 4.1
},
{
"id": "92276ce9-9fa9-430c-b4d1-8bef02df282b",
"name": "Publish Media Asset",
"type": "@blotato/n8n-nodes-blotato.blotato",
"position": [
30,
640
],
"parameters": {
"resource": "media",
"useBinaryData": true
},
"credentials": {
"blotatoApi": {
"id": "credential-id",
"name": ""
}
},
"typeVersion": 2,
"alwaysOutputData": false
},
{
"id": "87f5a46c-4b67-4c56-9400-502d70831730",
"name": "Compose IG Caption",
"type": "@n8n/n8n-nodes-langchain.openAi",
"position": [
255,
845
],
"parameters": {
"modelId": {
"__rl": true,
"mode": "list",
"value": "gpt-5-mini",
"cachedResultName": "GPT-5-MINI"
},
"options": [],
"messages": {
"values": [
{
"content": "=You are a professional social media copywriter creating engaging Instagram post texts for a **news account**.\n\nYou will be given:  \n- **Headline:** `{{ $('RSS Intake Trigger').item.json.title }}`  \n- **Short Description:** `{{ $('RSS Intake Trigger').item.json.content }}`  \n\nYour task:  \nWrite a compelling Instagram post text that:  \n- Uses the provided information to create an engaging and natural caption.  \n- **Does not** copy the headline or description word-for-word \u2014 rephrase and expand them instead.  \n- Provides a bit more **context or background** about the news to make it interesting.  \n- Starts with a **hook or attention-grabber**, followed by a **short explanation**, and ends with a **call to action or reflection** (e.g., \u201cWhat do you think?\u201d, \u201cShare your thoughts below!\u201d).  \n- Has a tone that fits **Instagram**: professional yet conversational and relatable.  \n- **Avoids repeating** the headline literally, since it already appears on the image.  \n- The output must be in **valid JSON format** with **one field** only.\n\n---\n\n**Output Format**\n```json\n{\n  \"post_text\": \"Your generated Instagram caption here.\"\n}\n```\n\n**Example Output**\n```\n{\n  \"post_text\": \"Big news in tech! \ud83d\ude80 A leading company has just unveiled an AI solution designed to help small businesses automate their daily work. This could completely change how many teams operate. What\u2019s your take on this innovation? \ud83d\udcad\ud83d\udc47\"\n}\n```"
}
]
}
},
"credentials": {
"openAiApi": {
"id": "credential-id",
"name": ""
}
},
"typeVersion": 1.8
},
{
"id": "5e34a19a-c8d1-4eda-9a1f-a8abbdcca53d",
"name": "Publish IG Post",
"type": "@blotato/n8n-nodes-blotato.blotato",
"position": [
560,
805
],
"parameters": {
"options": [],
"accountId": {
"__rl": true,
"mode": "id",
"value": "[YOUR_ID]"
},
"postContentText": "={{ $json.message.content }}",
"postContentMediaUrls": "={{ $('Publish Media Asset').item.json.data[0].url }}"
},
"credentials": {
"blotatoApi": {
"id": "credential-id",
"name": ""
}
},
"typeVersion": 2
},
{
"id": "30ac196e-564a-48c4-9f44-271eac827bac",
"name": "Failure Check",
"type": "n8n-nodes-base.if",
"position": [
715,
735
],
"parameters": {
"conditions": {
"string": [
{
"value1": "={{ $json.data.status }}",
"value2": "FAILED"
},
{
"value1": "={{ $json.data.status }}",
"value2": "CANCELLED"
}
]
}
},
"typeVersion": 1
},
{
"id": "829c9892-ae21-45ed-9ff0-d64db3642d12",
"name": "Abort With Error",
"type": "n8n-nodes-base.stopAndError",
"position": [
920,
760
],
"parameters": {
"errorMessage": "Failed to generate image"
},
"typeVersion": 1
}
],
"active": false,
"pinData": [],
"settings": {
"executionOrder": "v1"
},
"versionId": null,
"connections": {
"Delay Interval": {
"main": [
[
{
"node": "Verify Job Status",
"type": "main",
"index": 0
}
]
]
},
"Combine Uploads": {
"main": [
[
{
"node": "Collect Storage Links",
"type": "main",
"index": 0
}
]
]
},
"Failure Check": {
"main": [
[
{
"node": "Abort With Error",
"type": "main",
"index": 0
}
],
[
{
"node": "Delay Interval",
"type": "main",
"index": 0
}
]
]
},
"Collect Storage Links": {
"main": [
[
{
"node": "Initiate Render Job",
"type": "main",
"index": 0
}
]
]
},
"Completion Check": {
"main": [
[
{
"node": "Retrieve Rendered Image",
"type": "main",
"index": 0
}
],
[
{
"node": "Failure Check",
"type": "main",
"index": 0
}
]
]
},
"Send Logo File": {
"main": [
[
{
"node": "Combine Uploads",
"type": "main",
"index": 1
}
]
]
},
"Publish Media Asset": {
"main": [
[
{
"node": "Compose IG Caption",
"type": "main",
"index": 0
}
]
]
},
"Fetch Brand Icon": {
"main": [
[
{
"node": "Send Logo File",
"type": "main",
"index": 0
}
]
]
},
"Retrieve Rendered Image": {
"main": [
[
{
"node": "Publish Media Asset",
"type": "main",
"index": 0
}
]
]
},
"RSS Intake Trigger": {
"main": [
[
{
"node": "Draft Headline & Prompt",
"type": "main",
"index": 0
}
]
]
},
"Send Backdrop File": {
"main": [
[
{
"node": "Combine Uploads",
"type": "main",
"index": 0
}
]
]
},
"Initiate Render Job": {
"main": [
[
{
"node": "Delay Interval",
"type": "main",
"index": 0
}
]
]
},
"Fetch Backdrop File": {
"main": [
[
{
"node": "Send Backdrop File",
"type": "main",
"index": 0
}
]
]
},
"Compose IG Caption": {
"main": [
[
{
"node": "Publish IG Post",
"type": "main",
"index": 0
}
]
]
},
"Verify Job Status": {
"main": [
[
{
"node": "Completion Check",
"type": "main",
"index": 0
}
]
]
},
"Create Backdrop Image": {
"main": [
[
{
"node": "Fetch Backdrop File",
"type": "main",
"index": 0
},
{
"node": "Fetch Brand Icon",
"type": "main",
"index": 0
}
]
]
},
"Draft Headline & Prompt": {
"main": [
[
{
"node": "Create Backdrop Image",
"type": "main",
"index": 0
}
]
]
}
}
}