Instagram Graph API Rate Limits: Why Your App Hits 429 Errors and How to Scale (2026)
Instagram Graph API rate limits are impression-based, not flat. Most apps hit throttling errors (error code 80002) because the BUC formula is unpredictable at low impressions — and getting Advanced Access does not remove rate limits. Here is what is actually happening and why it is harder to scale than it looks.
Facebook Login for Business vs Facebook Login: Which One Your App Needs (and Why config_id Changes Everything)
Business-type Meta apps cannot use standard Facebook Login — they must use Facebook Login for Business with a config_id instead of scopes. Here is how the two login products differ, why the choice is one-way, and where integrations get stuck.
Meta System User Access Tokens: How SaaS Platforms Get Long-Lived API Access Without Re-Authentication (2026)
User access tokens expire and break automated Meta API integrations. System user tokens and Business Integration System User tokens are how SaaS platforms get stable, long-lived access — here is how the token model works and where setups go wrong.
Meta App Restricted or Disabled: What Enforcement Means and How the Appeal Process Works (2026)
Your Meta app got restricted or disabled and you don’t know why. Here’s how Meta’s enforcement ladder works, what triggers each stage, and how the developer appeal process actually functions.
Meta Data Use Checkup (DUC): The Annual Compliance Requirement That Can Disable Your App
Meta’s Data Use Checkup is an annual recertification every live app with advanced access must pass. Miss the deadline and the app is deactivated — no extensions. Here’s how DUC actually works.
Meta Business Verification for Sole Proprietors: How to Get Verified Without a Company Registration (2026)
No company registration? Here’s how sole proprietors and freelancers can still get verified in Meta Business Manager — and the name-matching mistake that causes most rejections.
Threads API App Review: Why threads_content_publish and threads_manage_replies Get Rejected (2026)
Threads API apps need App Review before threads_content_publish, threads_manage_replies, or threads_manage_insights work for real users — not just testers. Here’s how the permission model actually works, and where submissions get stuck.
Facebook Messenger Bot App Review: Why Chatbot & Automation SaaS Tools Get Rejected or Restricted (2026)
Chatbot and automation SaaS platforms need pages_messaging App Review to run on Facebook Messenger. Here is why bots get rejected, restricted, or flagged after launch — message tag misuse, missing bot disclosure, and the 30-second responsiveness rule.
Facebook Conversions API Setup: Why Server-Side Tracking Needs a Dataset, System User Token, and — for SaaS Platforms — App Review (2026)
Setting up the Facebook Conversions API (CAPI) for server-side event tracking: the dataset and Business Manager prerequisites, system user access tokens, event deduplication, and why a direct integration needs no App Review but offering CAPI as a SaaS platform does.
Meta Graph API Version Deprecation: The Two-Year Clock That Silently Breaks Live Apps (2026)
Every Graph API version has an expiry date. When it passes, Meta does not return an error — it quietly reroutes your calls to an older version. Marketing API is worse: it fails outright, on a 90-day clock.