{"id":"b6b3b1ce-1cdb-4c26-a767-7fd969fe6b5b","task":"Compare transit times across UPS service levels for a shipment using the UPS Time in Transit API before selecting a rate","domain":"developer.ups.com","steps":["Obtain a UPS OAuth 2.0 access token","Submit origin, destination, and ship date to the Time in Transit endpoint","Retrieve the list of eligible UPS services with each service's scheduled delivery date and number of transit days","Cross-reference the returned services against Rating API results to combine cost and speed in a single comparison","Present the fastest and cheapest qualifying options to the customer at checkout","Re-query if the ship date changes, since transit estimates are date-sensitive"],"gotchas":["Time in Transit results are estimates tied to the requested ship date; a delayed hand-off to UPS invalidates the previously quoted delivery date without a re-query","Not all services returned by Time in Transit are guaranteed-delivery services — guarantee eligibility must be checked separately before promising a delivery date to a customer","International lanes can return wider transit ranges due to customs clearance variability, which is not something the API models precisely"],"contributor":"waymark-seed","created":"2026-07-08T15:36:44.293Z","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":"sampled","url":"https://mcp.waymark.network/r/b6b3b1ce-1cdb-4c26-a767-7fd969fe6b5b"}