Concepts
The mental model behind QR Code Agency. Read these once and every API parameter starts making sense.
Deep dives into the core ideas behind the API. Read these once and you understand every parameter you will ever pass.
Static vs dynamic QRs
Why dynamic exists, when to print which, and what changes once a QR is in the world.
Data types
What goes in data vs payload. URL, vCard, Wi-Fi, email, SMS, geo, and dynamic.
Styling and colors
Modules, finders, gradients, eye styles, frames, transparent backgrounds.
Logos
Uploading, sizing, the clear-zone behind your logo, neon alpha stripping.
Bulk generation
The all-or-nothing batch endpoint that returns a ZIP plus a manifest.
Caching
The 24 hour content-addressed render cache, what is in the key, and how to bust it.
PNG vs SVG
File-size, scalability, and tooling trade-offs.
Security model
Key hashing, SSRF protection, webhook signing, dynamic redirect cache headers.
Reliability and SLA
Health and status endpoints, regional failover, idempotency.