NBFS field notes
NBFS field notes
Send accurate purchase events to Meta with server-side tracking and COD delivery attribution.
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Collected facts
Harper sends purchase events to Meta using server-side tracking so you get accurate attribution even when browser pixels fail. Prepaid orders are sent on payment, COD orders are sent on delivery. Orders delivered after 7 days go through Meta’s offline events flow. Every purchase event includes new vs returning customer, profit margin, and product category — giving Meta stronger signals for ad optimization and reporting.
Structured evaluations
Rate only the dimensions you experienced. Use N/A when an axis does not apply.
Evaluations are read-only after graduation or archival.
| Metric | Median | Responses | Distribution 1→5 |
|---|---|---|---|
| Setup & Ease of Use | — | 0 | 0 / 0 / 0 / 0 / 0 |
| UX/UI | — | 0 | 0 / 0 / 0 / 0 / 0 |
| Listing Accuracy | — | 0 | 0 / 0 / 0 / 0 / 0 |
| Reliability & Performance | — | 0 | 0 / 0 / 0 / 0 / 0 |
| Support | — | 0 | 0 / 0 / 0 / 0 / 0 |
| Value for Money | — | 0 | 0 / 0 / 0 / 0 / 0 |
No self-reported evaluation profiles yet.
Official listing images



From the developer
Developer content stays separate from collected facts and user evaluations.
Discussions · 0
Discussions are read-only after graduation or archival.
External NBFS sticker
The SVG updates when this app graduates or is archived. It is a listing marker, not a quality certification.