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Building an AI Social Media Agent with LangGraph

A full walkthrough for building a LangGraph agent that decides what to post and publishes it through a social media REST API, with runnable Python code.

Sep 10, 2026·7 min read
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Tutorials

Make.com + Social Media API: The No-Code Posting Workflow

How to post to multiple social platforms from Make.com using the HTTP module, with the base URL, auth header, and request body set up once and reused across scenarios.

·5 min read·zakir
Tutorials

n8n Social Media Automation: Post to 8 Platforms From One Workflow

A node-by-node n8n workflow that posts to multiple social platforms from a single automation, using the HTTP Request node and n8n's MCP client node.

·6 min read·zakir
Tutorials

Social Media API Rate Limits: A Platform-by-Platform Reference

The real rate limits for X, LinkedIn, Facebook, Instagram, TikTok, YouTube, and Pinterest as of 2026, and why a posting queue matters more than hand-rolled backoff logic.

·5 min read·zakir
Tutorials

How to Build a Social Media Scheduler with a REST API

A minimal working social media scheduler in Node.js — a queue table, a cron job, and calls to a REST API to publish posts on schedule.

·6 min read·zakir
Tutorials

How to Post a Video on LinkedIn (Specs, Limits and the Processing Wait)

Posting video to LinkedIn takes three clicks, but the parts that go wrong are invisible: length caps differ between desktop and mobile, only one video is allowed per post, and LinkedIn transcodes after upload. Here are the real limits and what the wait actually is.

·5 min read·zakir
Tutorials

How to Repost on LinkedIn (and When to Quote Instead)

LinkedIn gives you two ways to share someone else's post, and they behave very differently. An instant repost adds nothing and travels badly. A repost with your thoughts is a new post with the original embedded. Here is how to do each, how to undo one, and which to reach for.

·5 min read·zakir
Tutorials

How to Post a Carousel on LinkedIn (There Are Two, and People Mix Them Up)

LinkedIn has two swipeable formats and most guides confuse them. A multi-image post is 2 to 9 photos. A document post is a PDF that renders as a page-turner and takes up to 300 pages. Here is how to make each, and which one people mean when they say carousel.

·5 min read·zakir
Tutorials

LinkedIn Post Character Limit: 3,000 — and the Number That Matters More

A LinkedIn post allows 3,000 characters, but only about 140 to 250 of them are visible before the "See more" fold. Here is the real limit for every field, where the fold actually falls on mobile versus desktop, and how the limit compares to the other networks.

·5 min read·zakir
Tutorials

How to View, Find and Edit Scheduled Posts on LinkedIn

LinkedIn hides your scheduled posts behind the clock icon in the post composer, not in your profile or your activity feed. Here is the exact path on desktop and mobile, how to edit or reschedule a post once it is queued, why Company Pages work differently, and the limits worth knowing before you rely on it.

·6 min read·zakir
Tutorials

How to Bulk Schedule Instagram Posts (3 Methods Compared)

Instagram's own tools cap out fast, third-party schedulers charge per seat, and the API has a 25-posts-per-day ceiling most people find the hard way. Here is what each method can really do and how to load a month of content in one go.

·7 min read·zakir
Tutorials

From Calendar to Queue: The Gap Where AI Content Workflows Die

Everyone has a content calendar and an AI that fills it. Almost nobody has a reliable path from that calendar to actually published posts. The handoff is where the whole workflow quietly fails — here is why, and how to close it.

·8 min read·zakir
Tutorials

Does LinkedIn Have an API? What You Can and Can't Post in 2026

LinkedIn has an API, but posting access is gated behind product approval and personal profiles work differently from company Pages. Here is what you can actually publish, which permissions you need, and the profile-vs-Page trap that breaks most integrations.

·7 min read·zakir
Tutorials

Does TikTok Have an API? Posting Rules and the Audit Gate Explained

TikTok has a Content Posting API, but until your app passes audit every post it publishes is forced private — visible only to the account owner. Here is how the audit gate works, why your first test post looks like it failed, and what the upload flow actually involves.

·7 min read·zakir
Tutorials

How to Automate Social Media Posting With AI (Without It Going Wrong)

Generating posts with AI is the easy half. The half that breaks is publishing them — reliably, on a schedule, across platforms, without an agent posting something you have to apologise for. Here is the full pipeline.

·2 min read·zakir
Tutorials

How to Get Instagram API Access for Posting (2026)

Instagram publishing needs a Business or Creator account and, since Business Login for Instagram shipped, no longer needs a Facebook Page at all. Here is the access path, the two-step container flow, and the error 9007 that catches every new integration.

·7 min read·zakir
Tutorials

Can You Post to Multiple Social Media Accounts at Once? (2026 Guide)

Yes — through a scheduler dashboard, a platform's own group tools, or an API. Here is what each approach can actually do, where the limits bite, and the point at which you outgrow dashboards entirely.

·7 min read·zakir
Tutorials

Serving 20 Clients Without 20 Browser Logins

Every social agency hits the same wall around ten clients — the tool that worked fine for three becomes a full-time tab-switching job. Here is where the wall actually is, what an API changes, and what it honestly does not solve.

·7 min read·zakir
Tutorials

How to Embed Social Posting in Your SaaS (Without Building OAuth)

Building social posting from scratch means maintaining OAuth integrations across six platforms that each change their APIs independently. A social posting API handles all of that. Here is how to integrate one in about a week.

·8 min read·zakir

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