Solutions
LinkedIn API Error 401: Invalid Grant & How to Fix Token Expiration
We know the drill. You’ve successfully implemented LinkedIn’s authentication, your app has been happily publishing posts for weeks, and then suddenly the integration flatlines. Your logs are flooded with HTTP 401 Unauthorized responses and cryptic invalid_grant JSON payloads. You haven’t…
Meta & LinkedIn API Error 401: Expired Token & How to Fix It
You’ve got your OAuth 2.0 flow perfectly wired. Users are authenticating, your app is publishing content, and your backend is humming along happily for exactly two months. Then, your monitoring channels violently wake you up. Every outgoing request to Meta…
Cross-Platform API Error 400: Duration & Metadata Validation Failed
You’ve built a slick, unified content publishing pipeline. You grab a perfectly good vertical MP4 file from your user and fire it off to Instagram, YouTube, and TikTok simultaneously. Then, your logs light up like a Christmas tree. YouTube returns…
LinkedIn & Meta API Error 400: Invalid Image Dimensions & How to Fix It
You’ve built a flawless content publishing flow, dynamically generating beautiful graphics for your users. You fire off a POST request to LinkedIn or Meta’s Graph API, fully expecting a perfectly rendered OpenGraph card. Instead, your server gets slapped with an…
Social Media API Error 400: Media Validation Failed & How to Fix Video Encoding
You’ve wired up the OAuth flows, handled the token refreshes, and finally hit the publish endpoint with a video file. Instead of a success response, the Instagram Graph API or TikTok Content API slaps you with a cryptic HTTP 400:…
X (Twitter) API Error 429: The Monthly Tweet Cap & How to Fix It
You’re monitoring your logs and everything looks perfectly normal. Your 15-minute rate limits are completely healthy, and your OAuth tokens are fresh. Then, out of nowhere, the X (formerly Twitter) API starts rejecting every single publish request with an aggressive…
Instagram Graph API Error 9: The 25-Post Daily Limit & How to Fix It
We know the feeling. You’ve successfully navigated Meta’s labyrinth of Graph API permissions, you’ve finally authenticated an Instagram account, and your app is happily publishing content. Then, suddenly, your logs light up with an OAuthException (usually Error Code 9 or…
Handling TikTok Rate Limits: Resolving the 429 Too Many Requests Error
You spent days testing your TikTok content publishing pipeline with a single creator account. It felt fast and flawless. But the moment you sync your production database or hook up a webhook that fires during peak hours, your application falls…
How to Bypass the YouTube 10k Unit Limit: Fixing the 403 Quota Exceeded Error
We’ve all been there. You build a sleek, automated video pipeline, test it with one or two files, and everything works flawlessly. Then you push to staging, trigger a small batch of uploads, and your logs immediately light up with…