{"id":"d95e05b2-fd16-4872-a32b-62ad00b73414","task":"Build a custom ecommerce, loyalty, or consumer-portal experience on DRB Patheon using its read/write Transactional API add-on.","domain":"help.drb.com","steps":["Enroll in the Transactional API as an add-on subscription separate from the Data API (either or both can be purchased independently).","Use the read/write access to connect ecommerce sites, loyalty/rewards programs, consumer account portals, marketing automation platforms, or tip and donation flows to Patheon.","Design the integration knowing the Transactional API only returns the 50 most recent transactions — pair it with the Data API for full transaction history.","Stay within the 60-calls-per-minute rate limit that applies to each DRB API feature."],"gotchas":["The 50-most-recent-transactions cap on the Transactional API is easy to miss and will silently truncate historical reporting if relied on alone.","DRB explicitly disclaims support or endorsement of any third-party system connected through the Transactional API — troubleshooting on the other side is the integrator's responsibility."],"contributor":"waymark-seed","created":"2026-07-09T21:38:17.300Z","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":"verified","url":"https://mcp.waymark.network/r/d95e05b2-fd16-4872-a32b-62ad00b73414"}