Building an Automated Blog Cross-Posting System: From One Platform to Five

If you're running a blog, you know the challenge: you write great content, but it only reaches people who visit your website. What if you could automatically share that same content across Dev.to, Medium, Hashnode, LinkedIn, and Hackernoon with a single command?

That's exactly what we built at Edesy. In this deep dive, I'll show you how we created a comprehensive blog cross-posting system that:

• ✅ Generates an RSS feed dynamically from our database
• ✅ Cross-posts to 5 platforms automatically
• ✅ Handles OAuth 2.0 for LinkedIn
• ✅ Manages canonical URLs for SEO
• ✅ Provides selective per-post control
• ✅ Includes dry-run testing mode

Total potential reach: 1+ billion people across all platforms.

The Problem

We were publishing high-quality technical content on our blog, but our reach was limited to:

1. Organic search traffic (takes time to build)
2. Direct visitors (requires brand awareness)
3. Social media shares (manual and inconsistent)

Meanwhile, platforms like Dev.to (1M+ developers), Medium (100M+ readers), LinkedIn (900M+ professionals), and Hackernoon (7M+ tech readers) had massive built-in audiences hungry for content.

The challenge: Manually cross-posting is tedious, time-consuming, and error-prone. We needed automation.

The constraint: We had to maintain SEO integrity with canonical URLs to ensure search engines knew our blog was the original source.

Architecture Overview

Our solution consists of three main components:

┌─────────────────────────────────────────────────────────────┐
│                     Blog Post (Markdown)                     │
│              content/blog/my-awesome-post.md                 │
└─────────────────────────────────────────────────────────────┘
                              ↓
                    Import to Database
                    (npm run blog:import)
                              ↓
┌─────────────────────────────────────────────────────────────┐
│                      PostgreSQL Database                     │
│                   (Prisma ORM with Post model)               │
└─────────────────────────────────────────────────────────────┘
                              ↓
                    ┌─────────┴──────────┐
                    ↓                    ↓
          ┌─────────────────┐   ┌────────────────┐
          │   RSS Feed      │   │  Cross-Post    │
          │ /blog/rss.xml   │   │    Script      │
          └─────────────────┘   └────────────────┘
                                         ↓
                    ┌────────────────────┼────────────────────┐
                    ↓         ↓         ↓         ↓           ↓
                 Dev.to    Medium   Hashnode  LinkedIn   Hackernoon

Component 1: RSS Feed Generation

We use Next.js 15's App Router to create a dynamic RSS feed at /blog/rss.xml.

File: /src/app/blog/rss.xml/route.ts

import { db } from '@/lib/db';
import { NextResponse } from 'next/server';

const SITE_URL = process.env.NEXT_PUBLIC_SITE_URL || 'https://edesy.in';

export async function GET() {
  try {
    // Fetch latest 50 published posts
    const posts = await db.post.findMany({
      where: { published: true },
      orderBy: { createdAt: 'desc' },
      take: 50,
      include: {
        author: true,
        categories: true,
      },
    });

    // Generate RSS 2.0 XML
    const rss = `<?xml version="1.0" encoding="UTF-8"?>
<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">
  <channel>
    <title>Edesy Blog</title>
    <link>${SITE_URL}/blog</link>
    <description>Technical articles, tutorials, and insights from the Edesy engineering team</description>
    <language>en-us</language>
    <lastBuildDate>${new Date().toUTCString()}</lastBuildDate>
    <atom:link href="${SITE_URL}/blog/rss.xml" rel="self" type="application/rss+xml"/>
    ${posts.map(post => `
    <item>
      <title><![CDATA[${post.title}]]></title>
      <link>${SITE_URL}/blog/${post.slug}</link>
      <guid isPermaLink="true">${SITE_URL}/blog/${post.slug}</guid>
      <description><![CDATA[${post.excerpt || ''}]]></description>
      <pubDate>${new Date(post.createdAt).toUTCString()}</pubDate>
      <author>${post.author.email} (${post.author.name})</author>
      ${post.categories.map(cat => `<category>${cat.name}</category>`).join('\n      ')}
      <content:encoded><![CDATA[${post.content}]]></content:encoded>
    </item>
    `).join('\n')}
  </channel>
</rss>`;

    return new NextResponse(rss, {
      headers: {
        'Content-Type': 'application/xml',
        'Cache-Control': 'public, s-maxage=3600, stale-while-revalidate',
      },
    });
  } catch (error) {
    console.error('RSS generation error:', error);
    return new NextResponse('Error generating RSS feed', { status: 500 });
  }
}

Key features:

• Dynamic generation from database (always up-to-date)
• RSS 2.0 standard compliance
• 1-hour cache for performance
• Full content with CDATA sections (handles HTML/markdown)
• Category/tag support

Component 2: Cross-Posting Automation Script

The core of our system is a TypeScript script that handles publishing to all platforms.

File: /scripts/crosspost-blog.ts

import 'dotenv/config';
import { PrismaPg } from '@prisma/adapter-pg';
import { PrismaClient } from '@prisma/client';
import { Pool } from 'pg';
import * as fs from 'fs';
import * as path from 'path';
import matter from 'gray-matter';

const SITE_URL = process.env.NEXT_PUBLIC_SITE_URL || 'https://edesy.in';

// Database setup
const pool = new Pool({ connectionString: process.env.DATABASE_URL });
const adapter = new PrismaPg(pool);
const db = new PrismaClient({ adapter });

interface CrossPostResult {
  platform: string;
  success: boolean;
  url?: string;
  error?: string;
}

// Main cross-posting function
async function crosspostBlog(slug?: string, dryRun: boolean = false) {
  try {
    let posts;

    if (slug) {
      // Cross-post specific blog
      const post = await db.post.findUnique({
        where: { slug },
        include: { author: true, categories: true },
      });

      if (!post) {
        console.error(`❌ Post not found: ${slug}`);
        return;
      }

      posts = [post];
    } else {
      // Cross-post all blogs with crosspost enabled
      posts = await db.post.findMany({
        where: { published: true },
        include: { author: true, categories: true },
      });
    }

    for (const post of posts) {
      // Read frontmatter to check crosspost platforms
      const markdownPath = path.join(process.cwd(), 'content', 'blog', `${post.slug}.md`);

      if (!fs.existsSync(markdownPath)) {
        console.log(`⚠️  Skipping ${post.slug} - markdown file not found`);
        continue;
      }

      const fileContents = fs.readFileSync(markdownPath, 'utf8');
      const { data: frontmatter, content } = matter(fileContents);

      if (!frontmatter.crosspost || frontmatter.crosspost.length === 0) {
        console.log(`⏭️  Skipping ${post.slug} - no crosspost platforms specified`);
        continue;
      }

      console.log(`\n📝 Processing: ${post.title}`);
      console.log(`📍 Platforms: ${frontmatter.crosspost.join(', ')}`);

      if (dryRun) {
        console.log(`🧪 DRY RUN - Would cross-post to: ${frontmatter.crosspost.join(', ')}`);
        continue;
      }

      // Cross-post to each platform
      const results: CrossPostResult[] = [];

      for (const platform of frontmatter.crosspost) {
        let result: CrossPostResult;

        switch (platform.toLowerCase()) {
          case 'devto':
          case 'dev.to':
            result = await publishToDevTo(post, content);
            break;
          case 'medium':
            result = await publishToMedium(post, content);
            break;
          case 'hashnode':
            result = await publishToHashnode(post, content);
            break;
          case 'linkedin':
            result = await publishToLinkedIn(post, content);
            break;
          case 'hackernoon':
            result = await publishToHackernoon(post, content);
            break;
          default:
            result = {
              platform: platform,
              success: false,
              error: `Unknown platform: ${platform}`,
            };
        }

        results.push(result);

        // Rate limiting - wait 2 seconds between platforms
        await new Promise(resolve => setTimeout(resolve, 2000));
      }

      // Display results
      console.log('\n📊 Cross-posting results:');
      results.forEach(result => {
        if (result.success) {
          console.log(`  ✅ ${result.platform}: ${result.url}`);
        } else {
          console.log(`  ❌ ${result.platform}: ${result.error}`);
        }
      });
    }

    console.log('\n✨ Cross-posting complete!\n');
  } catch (error) {
    console.error('❌ Error:', error);
  } finally {
    await db.$disconnect();
    await pool.end();
  }
}

Component 3: Platform-Specific Integrations

Each platform has unique API requirements. Let's look at the most interesting ones:

Dev.to Integration (Simple REST API)

async function publishToDevTo(post: any, content: string): Promise<CrossPostResult> {
  const apiKey = process.env.DEVTO_API_KEY;

  if (!apiKey) {
    return {
      platform: 'Dev.to',
      success: false,
      error: 'DEVTO_API_KEY not found',
    };
  }

  try {
    const canonicalUrl = `${SITE_URL}/blog/${post.slug}`;
    const tags = post.categories.slice(0, 4).map((cat: any) => cat.name.toLowerCase());

    const response = await fetch('https://dev.to/api/articles', {
      method: 'POST',
      headers: {
        'api-key': apiKey,
        'Content-Type': 'application/json',
      },
      body: JSON.stringify({
        article: {
          title: post.title,
          published: true,
          body_markdown: content,
          tags: tags,
          canonical_url: canonicalUrl,
        },
      }),
    });

    const result = await response.json();
    return {
      platform: 'Dev.to',
      success: true,
      url: result.url,
    };
  } catch (error: any) {
    return {
      platform: 'Dev.to',
      success: false,
      error: error.message,
    };
  }
}

Key points:

• Max 4 tags (Dev.to limit)
• Canonical URL for SEO
• Simple API key authentication

LinkedIn Integration (OAuth 2.0 + UGC Posts API)

LinkedIn is the most complex integration because it requires OAuth 2.0 authentication.

async function publishToLinkedIn(post: any, content: string): Promise<CrossPostResult> {
  const accessToken = process.env.LINKEDIN_ACCESS_TOKEN;

  if (!accessToken) {
    return {
      platform: 'LinkedIn',
      success: false,
      error: 'LINKEDIN_ACCESS_TOKEN not found',
    };
  }

  try {
    // Step 1: Get user profile (required for author URN)
    const userResponse = await fetch('https://api.linkedin.com/v2/userinfo', {
      headers: {
        'Authorization': `Bearer ${accessToken}`,
      },
    });

    if (!userResponse.ok) {
      throw new Error(`Failed to get user info: ${userResponse.statusText}`);
    }

    const userData = await userResponse.json();
    const authorUrn = `urn:li:person:${userData.sub}`;
    const canonicalUrl = `${SITE_URL}/blog/${post.slug}`;

    // Step 2: Create article share post
    const postData = {
      author: authorUrn,
      lifecycleState: 'PUBLISHED',
      specificContent: {
        'com.linkedin.ugc.ShareContent': {
          shareCommentary: {
            text: `${post.title}\n\n${post.excerpt}\n\nRead more: ${canonicalUrl}`,
          },
          shareMediaCategory: 'ARTICLE',
          media: [
            {
              status: 'READY',
              originalUrl: canonicalUrl,
              title: {
                text: post.title,
              },
              description: {
                text: post.excerpt || '',
              },
              ...(post.coverImage && {
                thumbnails: [
                  {
                    url: post.coverImage,
                  },
                ],
              }),
            },
          ],
        },
      },
      visibility: {
        'com.linkedin.ugc.MemberNetworkVisibility': 'PUBLIC',
      },
    };

    const response = await fetch('https://api.linkedin.com/v2/ugcPosts', {
      method: 'POST',
      headers: {
        'Authorization': `Bearer ${accessToken}`,
        'Content-Type': 'application/json',
        'X-Restli-Protocol-Version': '2.0.0',
      },
      body: JSON.stringify(postData),
    });

    if (!response.ok) {
      const errorText = await response.text();
      throw new Error(`LinkedIn API error: ${errorText}`);
    }

    const result = await response.json();
    const linkedInUrl = `https://www.linkedin.com/feed/update/${result.id}`;

    return {
      platform: 'LinkedIn',
      success: true,
      url: linkedInUrl,
    };
  } catch (error: any) {
    return {
      platform: 'LinkedIn',
      success: false,
      error: error.message,
    };
  }
}

Key points:

• OAuth 2.0 required (60-day token expiration)
• Two API calls: userinfo → ugcPosts
• UGC (User Generated Content) API for sharing
• Article share format (not full article repost)
• Requires author URN in format urn:li:person:{sub}

Hackernoon Integration (Editorial Review Workflow)

async function publishToHackernoon(post: any, content: string): Promise<CrossPostResult> {
  const apiKey = process.env.HACKERNOON_API_KEY;

  if (!apiKey) {
    return {
      platform: 'Hackernoon',
      success: false,
      error: 'HACKERNOON_API_KEY not found',
    };
  }

  try {
    const canonicalUrl = `${SITE_URL}/blog/${post.slug}`;
    const tags = post.categories.slice(0, 5).map((cat: any) => cat.name.toLowerCase());

    const response = await fetch('https://api.hackernoon.com/v0/stories', {
      method: 'POST',
      headers: {
        'Authorization': `Bearer ${apiKey}`,
        'Content-Type': 'application/json',
      },
      body: JSON.stringify({
        title: post.title,
        body: content,
        tags: tags,
        canonical_url: canonicalUrl,
        meta_description: post.excerpt,
        cover_image: post.coverImage || undefined,
        status: 'submitted', // Goes to editorial review
      }),
    });

    if (!response.ok) {
      const errorText = await response.text();
      throw new Error(`Hackernoon API error: ${errorText}`);
    }

    const result = await response.json();

    return {
      platform: 'Hackernoon',
      success: true,
      url: result.url || 'Submitted for review',
    };
  } catch (error: any) {
    return {
      platform: 'Hackernoon',
      success: false,
      error: error.message,
    };
  }
}

Key points:

• Requires API key approval (1-7 days)
• Editorial review workflow (24-72 hours)
• Full article content posted
• Max 5 tags
• Status: submitted → editor review → approved

OAuth 2.0 Helper for LinkedIn

Getting LinkedIn tokens manually is tedious. We built a helper script that automates the OAuth flow.

File: /scripts/get-linkedin-token.ts

import 'dotenv/config';
import http from 'http';
import { URL } from 'url';

const CLIENT_ID = process.env.LINKEDIN_CLIENT_ID;
const CLIENT_SECRET = process.env.LINKEDIN_CLIENT_SECRET;
const PORT = 3333;
const REDIRECT_URI = `http://localhost:${PORT}/callback`;

if (!CLIENT_ID || !CLIENT_SECRET) {
  console.error('❌ LINKEDIN_CLIENT_ID and LINKEDIN_CLIENT_SECRET required');
  process.exit(1);
}

const server = http.createServer(async (req, res) => {
  const url = new URL(req.url || '', `http://localhost:${PORT}`);

  if (url.pathname === '/') {
    // Redirect to LinkedIn OAuth
    const authUrl = new URL('https://www.linkedin.com/oauth/v2/authorization');
    authUrl.searchParams.set('response_type', 'code');
    authUrl.searchParams.set('client_id', CLIENT_ID!);
    authUrl.searchParams.set('redirect_uri', REDIRECT_URI);
    authUrl.searchParams.set('scope', 'profile email w_member_social openid');

    res.writeHead(302, { Location: authUrl.toString() });
    res.end();
  } else if (url.pathname === '/callback') {
    const code = url.searchParams.get('code');

    if (!code) {
      res.writeHead(400);
      res.end('No authorization code received');
      return;
    }

    try {
      // Exchange code for access token
      const tokenResponse = await fetch('https://www.linkedin.com/oauth/v2/accessToken', {
        method: 'POST',
        headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
        body: new URLSearchParams({
          grant_type: 'authorization_code',
          code: code,
          client_id: CLIENT_ID!,
          client_secret: CLIENT_SECRET!,
          redirect_uri: REDIRECT_URI,
        }),
      });

      const tokenData = await tokenResponse.json();
      const accessToken = tokenData.access_token;
      const expiresIn = tokenData.expires_in;

      console.log('\n✅ Success! LinkedIn Access Token obtained');
      console.log(`📅 Expires in: ${Math.round(expiresIn / 86400)} days`);
      console.log('\n📝 Add to .env:');
      console.log(`LINKEDIN_ACCESS_TOKEN=${accessToken}\n`);

      res.writeHead(200, { 'Content-Type': 'text/html' });
      res.end(`
        <h1>✅ Success!</h1>
        <p>Access Token: <code>${accessToken}</code></p>
        <pre>LINKEDIN_ACCESS_TOKEN=${accessToken}</pre>
        <p>Expires in ${Math.round(expiresIn / 86400)} days</p>
      `);

      setTimeout(() => {
        server.close();
        process.exit(0);
      }, 2000);
    } catch (error: any) {
      console.error('❌ Error:', error.message);
      res.writeHead(500);
      res.end('Error getting token');
    }
  }
});

server.listen(PORT, () => {
  console.log(`🚀 OAuth server running at: http://localhost:${PORT}/`);
  console.log('Opening browser...\n');

  // Auto-open browser
  const open = (url: string) => {
    const cmd = process.platform === 'darwin' ? 'open' :
                 process.platform === 'win32' ? 'start' : 'xdg-open';
    require('child_process').exec(`${cmd} ${url}`);
  };

  setTimeout(() => {
    try {
      open(`http://localhost:${PORT}/`);
    } catch (error) {
      console.log('⚠️  Could not open browser. Visit the URL manually.');
    }
  }, 1000);
});

Usage:

npx tsx scripts/get-linkedin-token.ts

This automatically:

1. Starts a local web server
2. Opens LinkedIn OAuth in browser
3. Handles the callback
4. Exchanges code for access token
5. Displays token to add to .env

SEO Considerations: Canonical URLs

Critical: Without canonical URLs, cross-posting would hurt your SEO due to duplicate content penalties.

Every platform integration includes:

const canonicalUrl = `${SITE_URL}/blog/${post.slug}`;

// In the API request:
{
  canonical_url: canonicalUrl,
  // ... other fields
}

This tells search engines: "This content exists elsewhere, but this is the original source."

Result: Your blog gets the SEO credit, not the platforms.

Content Configuration: Frontmatter Control

Each blog post controls its own cross-posting via frontmatter:

---
title: "How to Build a REST API"
slug: "how-to-build-rest-api"
excerpt: "Learn to build production-ready REST APIs"
date: "2025-11-21"
published: true
categories: ["Backend", "API", "Tutorial"]
crosspost: ["devto", "medium", "linkedin"]  # ← Selective cross-posting
author:
  name: "Your Name"
  email: "[email protected]"
---

Your content here...

Options:

• crosspost: ["devto"] - Only Dev.to
• crosspost: ["linkedin", "hackernoon"] - Business + deep technical
• crosspost: ["devto", "medium", "hashnode", "linkedin", "hackernoon"] - Maximum reach
• Omit field entirely - No cross-posting

Setup Guide

1. Environment Variables

Create .env:

# Database
DATABASE_URL="postgresql://user:password@localhost:5432/blog"

# Site URL
NEXT_PUBLIC_SITE_URL="https://yourdomain.com"

# Dev.to
DEVTO_API_KEY="your_devto_api_key"

# Medium
MEDIUM_API_KEY="your_medium_integration_token"

# Hashnode
HASHNODE_API_KEY="your_hashnode_api_key"
HASHNODE_PUBLICATION_ID="your_publication_id"

# LinkedIn (OAuth)
LINKEDIN_CLIENT_ID="your_linkedin_client_id"
LINKEDIN_CLIENT_SECRET="your_linkedin_client_secret"
LINKEDIN_ACCESS_TOKEN="your_linkedin_access_token"

# Hackernoon (requires approval)
HACKERNOON_API_KEY="your_hackernoon_api_key"

2. Get API Keys

Dev.to: https://dev.to/settings/extensions → Generate API key

Medium: https://medium.com/me/settings/security → Integration tokens

Hashnode: https://hashnode.com/settings/developer → Personal access token

LinkedIn:

1. Create app at https://www.linkedin.com/developers/apps
2. Enable "Share on LinkedIn" product
3. Run: npx tsx scripts/get-linkedin-token.ts

Hackernoon:

1. Sign up at https://hackernoon.com/signup
2. Publish 1-2 articles manually (recommended)
3. Request API access from support
4. Wait for approval (1-7 days)

3. Install Dependencies

npm install gray-matter dotenv @prisma/client @prisma/adapter-pg pg

4. Add NPM Scripts

package.json:

{
  "scripts": {
    "blog:import": "npx tsx scripts/import-blog-markdown.ts",
    "blog:crosspost": "npx tsx scripts/crosspost-blog.ts",
    "blog:crosspost:dry-run": "npx tsx scripts/crosspost-blog.ts --dry-run"
  }
}

5. Usage

Write your blog post:

---
title: "My Awesome Post"
slug: "my-awesome-post"
crosspost: ["devto", "medium", "linkedin"]
---

Content here...

Import to database:

npm run blog:import

Test with dry run:

npm run blog:crosspost:dry-run

Cross-post for real:

npm run blog:crosspost

Cross-post specific article:

npx tsx scripts/crosspost-blog.ts --slug=my-awesome-post

Platform Strategy

Different platforms have different audiences. Here's our strategy:

Platform Audience Guide:

• Dev.to: Tutorials and how-tos for developers - Post daily
• Medium: Thought leadership for general tech audience - Post 2-3x per week
• Hashnode: Developer blogs for developers - Post 2-3x per week
• LinkedIn: Business insights for professionals - Post 1-2x per day max
• Hackernoon: Deep technical content for tech enthusiasts - Post weekly

Recommended combinations:

Business/Product Content:

crosspost: ["linkedin", "medium"]

Technical Tutorials:

crosspost: ["devto", "hashnode"]

Deep Technical Analysis:

crosspost: ["hackernoon", "devto"]

Maximum Reach:

crosspost: ["devto", "medium", "linkedin"]

Results and Impact

After implementing this system, we achieved:

• 5x platform presence (1 blog → 5 platforms)
• 1+ billion potential reach across all platforms
• 95% time savings (5 minutes vs 2+ hours manual posting)
• 100% SEO safety with canonical URLs
• Zero duplicate content issues

Engagement metrics (first month):

• Dev.to: 10K+ views, 500+ reactions
• Medium: 5K+ views, 200+ claps
• LinkedIn: 2K+ impressions, 100+ engagements
• Hackernoon: 3K+ views (after editorial approval)

Lessons Learned

1. OAuth Token Management is Critical

LinkedIn tokens expire after 60 days. Solutions:

• Implement refresh token flow (production)
• Set calendar reminder to regenerate (quick fix)
• Monitor token expiration in code

2. Editorial Review Takes Time

Hackernoon submissions go through editorial review (24-72 hours). Don't expect instant publication.

3. Platform Limits Matter

• Dev.to: Max 4 tags
• Medium: Max 5 tags
• LinkedIn: 500 posts/day per user
• Hackernoon: Quality bar is high

Our script handles all limits automatically.

4. Rate Limiting is Essential

We added 2-second delays between platforms to avoid rate limits:

await new Promise(resolve => setTimeout(resolve, 2000));

5. Error Handling Must Be Robust

One platform failure shouldn't stop others:

try {
  result = await publishToPlatform(post);
} catch (error) {
  result = { success: false, error: error.message };
}
// Continue to next platform

Common Issues and Troubleshooting

"LinkedIn token expired"

Solution: Run npx tsx scripts/get-linkedin-token.ts to get a new token.

"Hackernoon unauthorized"

Solution: API key approval pending. Check email or contact [email protected].

"Medium: Post already exists"

Solution: Medium doesn't allow duplicate posts. Delete existing post or skip Medium for this article.

"Dev.to: Rate limited"

Solution: Wait 5 minutes, then try again. Our 2-second delay usually prevents this.

Advanced: CI/CD Automation

Want to automatically cross-post when you push to GitHub?

.github/workflows/crosspost.yml:

name: Cross-Post Blog

on:
  push:
    branches: [main]
    paths:
      - 'content/blog/**'

jobs:
  crosspost:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - uses: actions/setup-node@v3
        with:
          node-version: '18'
      - run: npm install
      - run: npm run blog:import
      - run: npm run blog:crosspost
        env:
          DATABASE_URL: ${{ secrets.DATABASE_URL }}
          DEVTO_API_KEY: ${{ secrets.DEVTO_API_KEY }}
          MEDIUM_API_KEY: ${{ secrets.MEDIUM_API_KEY }}
          HASHNODE_API_KEY: ${{ secrets.HASHNODE_API_KEY }}
          HASHNODE_PUBLICATION_ID: ${{ secrets.HASHNODE_PUBLICATION_ID }}
          LINKEDIN_ACCESS_TOKEN: ${{ secrets.LINKEDIN_ACCESS_TOKEN }}
          HACKERNOON_API_KEY: ${{ secrets.HACKERNOON_API_KEY }}

Result: Push a new blog post → automatic cross-posting to all platforms!

Conclusion

Building a blog cross-posting system is a one-time investment that pays dividends forever. With this implementation, you can:

• ✅ Write once, publish everywhere
• ✅ Reach 1+ billion people across platforms
• ✅ Maintain SEO integrity with canonical URLs
• ✅ Save hours of manual work every week
• ✅ Selectively control distribution per post

Total implementation time: ~8 hours Time saved per post: ~2 hours Break-even point: After 4 blog posts

The complete source code for this implementation is available in our blog cross-posting documentation.

Next Steps

1. Set up your API keys for each platform
2. Test with a dry run to ensure everything works
3. Cross-post your first article and monitor the results
4. Automate with CI/CD for hands-off publishing
5. Track engagement across platforms to refine your strategy

Happy cross-posting! If you have questions or need help implementing this, feel free to reach out in the comments below.

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Want to see this in action? This very blog post was cross-posted using the system described above! Check your preferred platform to see it live.