Compare

Linked API vs PostPro AI

AI enhancer for LinkedIn posts, not an automation API for messaging or data extraction.

Short answer: Pick Linked API if you want API-driven LinkedIn automation; pick PostPro AI if you want voice-matched LinkedIn post generation. Linked API starts at $49/month per user; PostPro AI has a free plan, paid from $4/month.

Which to pick

Pick Linked API if you want…

  • API-driven LinkedIn automation
  • Open-source code (Linked-API/linkedapi-mcp on GitHub, MIT license)
  • Integrations with Node.js SDK, CLI or MCP server (on Linked API's list, not PostPro AI's)

Pick PostPro AI if you want…

  • Voice-matched LinkedIn post generation
  • Content optimization on LinkedIn
  • A free plan to start with
  • Integrations with LinkedIn, OpenAI (gpt-4-turbo) or Next.js (on PostPro AI's list, not Linked API's)

Side by side

What it is
Linked API:Secure LinkedIn automation API for messaging, lead generation, data extraction and outreach.
PostPro AI:PostPro AI generates LinkedIn posts in your own writing style using AI and schedules them for publishing.
Best for
Linked API:API-driven LinkedIn automation
PostPro AI:Voice-matched LinkedIn post generation
Who it’s for
Linked API:Developers, AI agents and teams needing programmatic LinkedIn actions.
PostPro AI:Content creators, marketers and personal brands using LinkedIn.
Pricing
Linked API:Paid
PostPro AI:Freemium
Starting price
Linked API:$49/month per user (Core)
PostPro AI:$4/month (Starter)
Free plan or trial
Linked API:Free trial
PostPro AI:Free trial
Plans
Linked API:Core $49/seat/mo per month · Plus $74/seat/mo per month
PostPro AI:Starter $4/mo per month · Creator $8/mo per month · Pro $16/mo per month
Open source
Linked API:Yes, 68 GitHub stars
PostPro AI:—
Works with
Linked API:Node.js SDK, CLI, MCP server, n8n, Make
PostPro AI:LinkedIn, OpenAI (gpt-4-turbo), Next.js, TailwindCSS, Supabase, Firebase, Node.js

Linked API features

  • 50+ LinkedIn actions. Send messages, connection requests, search, fetch profiles and more via API, SDK or CLI.
  • Workflow engine. Chain actions with conditional logic up to 5 levels for complex automations.
  • Dedicated cloud browser. Real browser instance per account mimics human behavior for safety.
  • Structured JSON output. All results returned as clean JSON for easy consumption.
  • Node.js SDK & CLI. Official SDK and command-line tool simplify integration in any language.
  • AI-agent ready. MCP server and skill definitions let AI assistants call LinkedIn actions directly.
  • Integrations (n8n, Make). Connect workflows to popular no-code automation platforms.

PostPro AI features

  • Voice Fingerprint. Learns your writing style from three existing posts and applies it to new drafts.
  • AI-Generated Drafts. Creates three post versions per generation, each scored against your voice fingerprint.
  • Hashtag & Keyword Studio. Ranks hashtags by reach and relevance for each topic.
  • One-Click Scheduling. Publishes or queues posts to LinkedIn via real OAuth without manual copy-paste.
  • Inspiration Library. Browse high-engagement posts by niche and tone for ideas.
  • Analytics Dashboard. Shows reach estimates, streaks and post performance metrics.

Linked API vs PostPro AI FAQ

What is the difference between Linked API and PostPro AI?+

PostPro AI: AI enhancer for LinkedIn posts, not an automation API for messaging or data extraction.

Should I use Linked API or PostPro AI?+

Pick Linked API if you want API-driven LinkedIn automation, open-source code (Linked-API/linkedapi-mcp on GitHub, MIT license) or integrations with Node.js SDK, CLI or MCP server (on Linked API's list, not PostPro AI's). Pick PostPro AI if you want voice-matched LinkedIn post generation, content optimization on LinkedIn or a free plan to start with.

Is Linked API or PostPro AI free?+

Linked API is paid, from $49/month per user (Core), with a free trial. PostPro AI has a free plan; paid plans start at $4/month (Starter).

Which is cheaper, Linked API or PostPro AI?+

Linked API starts at $49/month per user (Core) and PostPro AI starts at $4/month (Starter); the plans are billed differently, so compare what's included.

Is Linked API or PostPro AI open source?+

Linked API is open source (Linked-API/linkedapi-mcp on GitHub, MIT license). DevHunt has no public source repository on record for PostPro AI.

Do Linked API and PostPro AI integrate with the same tools?+

Their integration lists don't overlap: Linked API lists Node.js SDK, CLI, MCP server, n8n and 1 more; PostPro AI lists LinkedIn, OpenAI (gpt-4-turbo), Next.js, TailwindCSS and 3 more.

On DevHunt

Linked API

0 upvotes · Launched on DevHunt on Jan 6, 2026

PostPro AI

0 upvotes · Launched on DevHunt on Jan 6, 2026

Based on each tool's website and DevHunt data. Details may change; check the official sites.