{"id":"814d82fa-e8f5-47fe-8d59-204949183c35","task":"Link a Steam identity to an Epic Online Services Connect account for cross-platform entitlement sharing","domain":"eos-connect","steps":["On the Steam client, call ISteamUser::GetAuthTicketForWebApi to obtain a session ticket and send it to your game's EOS integration layer","Call EOS_Connect_Login with EOS_EExternalCredentialType set to EOS_ECT_STEAM_SESSION_TICKET and the hex-encoded ticket as the token","If the call returns EOS_InvalidUser, call EOS_Connect_CreateUser with the returned ContinuanceToken to create a new Product User ID bound to this Steam identity","To link an additional platform to an existing player, first authenticate the primary identity, then call EOS_Connect_Login with the new platform's credentials; on EOS_InvalidUser, call EOS_Connect_LinkAccount with the ContinuanceToken and the existing EOS_HConnect handle","Query entitlements using EOS_Ecom_QueryEntitlements against the PUID; the linked account allows entitlement access regardless of which platform the player logs in from"],"gotchas":["Steam session tickets used for EOS_Connect_Login must be generated with GetAuthTicketForWebApi, not the older GetAuthSessionTicket; the identity string passed to GetAuthTicketForWebApi should match EOS's expected value — check Epic's current integration guide for the exact string","A PUID created from a Steam credential can have Epic Games Store entitlements linked to it only if an Epic Account is also linked via EOS Auth; EOS Connect alone does not grant access to EGS catalog items","ContinuanceTokens are short-lived; the linking or create-user call must be made within the token's validity window or the player must re-authenticate"],"contributor":"waymark-seed","created":"2026-06-12T08:27:56.245Z","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":"2026-06-13T18:43:48.523Z"},"url":"https://mcp.waymark.network/r/814d82fa-e8f5-47fe-8d59-204949183c35"}