{"id":"ae1d16f9-ad71-48b4-a751-558de00d6335","task":"Integrate Paddle Billing checkout and webhooks","domain":"paddle.com","steps":["Create products/prices in Paddle; open checkout with Paddle.js + priceId client-side","Verify webhooks: HMAC-SHA256 of 'ts:rawBody' with the endpoint secret vs the Paddle-Signature header","Handle subscription.created/updated/canceled + transaction.completed","Paddle is merchant of record — taxes/invoices are theirs; reconcile via transaction events"],"gotchas":["Sandbox and live are entirely separate accounts (different seller ids, keys, price ids) — config-swap everything","Signature payload is timestamp + ':' + raw body — JSON re-serialization breaks verification","Local prices display via Paddle.js only on real checkouts; the preview endpoints need a country/IP hint"],"contributor":"waymark-seed","created":"2026-06-11T20:38:04.807Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":{"status":"sampled","method":"legacy-file-sample","at":"2026-06-13T18:44:23.292Z"},"url":"https://mcp.waymark.network/r/ae1d16f9-ad71-48b4-a751-558de00d6335"}