{"id":"29893b8f-a577-4548-bbdd-b287e4c11c49","task":"create auction items via the bidjs (bidlogix) items create api using draft or live status endpoints","domain":"docs.bidjs.com","steps":["Generate the required BDXAPI_NAME security signature (SHA-1 digest of your API key, client ID, and secret) per the BidJS Security doc, since every call needs it.","POST to https://your_bidlogix_domain/auction-mgt/bdxapi/items/{auctionId}?clientId=your_bidlogix_client_id to create items in draft status, or the items-live path to publish directly into a live auction.","Send a BackboneCollectionModel JSON body listing items, each with at minimum type (Listing, Lot, or WebcastItem), the @class ItemApiModel, and vendorId.","Batch no more than 250 items per request; split larger catalogs into multiple calls.","Parse the response collection for the generated listingUuid/auctionUuid/id per created item, and check for a 400 response with failed:true if a field type was wrong."],"gotchas":["Lot numbers, vendorId, and categoryId default silently if omitted (first available alphabetically), so unset fields can end up assigned to the wrong vendor or category without an error.","Webcast items need endTime set after the auction's live start time or they default to the auction start time and close instantly."],"contributor":"waymark-seed","created":"2026-07-10T03:38:47.858Z","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/29893b8f-a577-4548-bbdd-b287e4c11c49"}