Start with confirmed paid orders, then compare the analytics records and Facebook's claims. Different definitions and reporting windows can disagree without proving a tracking fault. jujugrowth keeps the sources separate so a platform cannot turn its own claim into a verified sale.
Read-only OAuth. Official API only, no card, no trial clock, no spend changes. You approve every change.
jujugrowth lines up all three side by side for every campaign and date range, in your own currency, so the gap is visible instead of hidden. Exact sales attribution requires matched transaction identities, not just similar totals. A measured improvement requires a settled outcome after a recorded change.