Blog

WhatsApp API

WhatsApp Cloud API Number Registration: Why “Verified” in WhatsApp Manager Still Isn’t Registered (2026)

04/08/2026

Adding and verifying a number in WhatsApp Manager does not register it for Cloud API. Here is the layer most teams miss,...

Google & YouTube API

Google OAuth Verification Rejected: There Is No Appeal Button, Only a Full Resubmission (2026)

04/08/2026

A rejected Google OAuth verification has no appeal route. Google's own documentation gives you exactly one path: fix the app, then resubmit...

LinkedIn API

LinkedIn Advertising API Technical Sign Off: The 23-Capability Demo Between You and Partner Access (2026)

04/08/2026

LinkedIn's Advertising API partner path ends in a live demo against 23 published capability rules. Here is what the sign off actually...

Meta App Review

Meta Partner Access vs System User vs Asset Sharing: Which One Actually Grants API Access (2026)

04/08/2026

Partner access, system users and asset sharing look interchangeable in Meta Business Manager. They are not. Only one of them survives App...

Google & YouTube API

Google OAuth Client Secret Is Now One-Time Visible: What Breaks and How to Rotate Safely (2026)

04/08/2026

Google now hashes OAuth client secrets — you see the full value once, at creation, and never again. Here is what that...

Meta App Review

One Meta App for All Clients, or One App Per Client? The Multi-Tenant App Review Decision (2026)

04/08/2026

SaaS platforms and white-label resellers have to choose an app architecture before App Review, not after. Here is what Meta's own documentation...

WhatsApp API

WhatsApp Template Category Changed From Utility to Marketing? What Meta’s Reclassification Actually Costs You (2026)

04/08/2026

Meta can reclassify an approved WhatsApp utility template to marketing — and after a categorization warning, with no advance notice at all....

X (Twitter) API

X API Scopes vs App Permissions: Why “Read and Write” Never Gets You DM Access (2026)

04/08/2026

X runs two permission systems side by side — OAuth 1.0a app permission levels and OAuth 2.0 scopes. Here is what each...

X (Twitter) API

X API 429 Errors: Why Rate Limits and Usage Caps Fail the Same Way (2026)

04/08/2026

A 429 on the X API is not one failure — it is two. A per-window rate limit and a monthly usage...

LinkedIn API

LinkedIn Lead Sync API Access: The One-Shot Application Most Teams Spend on a Draft (2026)

04/08/2026

Lead Sync API is requested separately from the Advertising API, and a use-case rejection generally means building a new developer app rather...

Google & YouTube API

Google OAuth Sensitive vs Restricted Scopes: What Decides Your Tier and What It Costs You (2026)

04/08/2026

Google decides whether an OAuth scope is non-sensitive, sensitive or restricted — not you. Here is what actually drives the classification, what...

Meta App Review

Meta Commerce Platform Order API: Which Permissions Still Exist and What App Review Actually Gates (2026)

04/08/2026

Meta's Commerce Platform order-management API still exists, but the checkout model moved and the docs contradict each other. Here is what App...

Meta API Services

Google & Other APIs

SaaS Script Setup

WhatsApp Cloud API Number Registration: Why “Verified” in WhatsApp Manager Still Isn’t Registered (2026)

Google OAuth Verification Rejected: There Is No Appeal Button, Only a Full Resubmission (2026)

LinkedIn Advertising API Technical Sign Off: The 23-Capability Demo Between You and Partner Access (2026)

Meta Partner Access vs System User vs Asset Sharing: Which One Actually Grants API Access (2026)

Google OAuth Client Secret Is Now One-Time Visible: What Breaks and How to Rotate Safely (2026)

One Meta App for All Clients, or One App Per Client? The Multi-Tenant App Review Decision (2026)

WhatsApp Template Category Changed From Utility to Marketing? What Meta’s Reclassification Actually Costs You (2026)

X API Scopes vs App Permissions: Why “Read and Write” Never Gets You DM Access (2026)

X API 429 Errors: Why Rate Limits and Usage Caps Fail the Same Way (2026)

LinkedIn Lead Sync API Access: The One-Shot Application Most Teams Spend on a Draft (2026)

Google OAuth Sensitive vs Restricted Scopes: What Decides Your Tier and What It Costs You (2026)

Meta Commerce Platform Order API: Which Permissions Still Exist and What App Review Actually Gates (2026)