API products

Inventory API

Retrieve normalized Steam inventories through a stable public contract.

Open API Reference

COMMON TASKS

Start with the task in front of you.

Retrieve an inventoryLoad one public Steam inventory by user, app, and context.Handle paginationRead all pages without losing continuity.Understand item descriptionsJoin reusable item metadata correctly.Handle inventory errorsInterpret privacy, validation, and upstream failures.

GUIDES

Build beyond one request.

Build an inventory integrationDesign the full retrieval flow.Handle private inventoriesRespond safely when visibility prevents retrieval.Synchronize inventory dataRefresh data without unnecessary work.

Canonical operation

GET /v2/steam/users/{steam_id}/inventory/{app_id}/{context_id}

Use a 64-bit Steam ID, numeric application ID, and inventory context ID. Send your application-scoped key in X-API-Key.

Integration model

Read Retrieve inventory, then handle pagination and join assets to item descriptions. The generated Inventory contract defines the exact schema.

Troubleshooting and support

Start with Troubleshooting. If escalation is still required, follow Support guidance and include the request ID, operation, UTC time, and HTTP status—never a credential.

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API products

Inventory API

Retrieve normalized Steam inventories through a stable public contract.

Start Inventory quickstart

Open API Reference

COMMON TASKS

Start with the task in front of you.

GUIDES

Build beyond one request.

Canonical operation

GET /v2/steam/users/{steam_id}/inventory/{app_id}/{context_id}

Use a 64-bit Steam ID, numeric application ID, and inventory context ID. Send your application-scoped key in X-API-Key.

Integration model

Read Retrieve inventory, then handle pagination and join assets to item descriptions. The generated Inventory contract defines the exact schema.

Troubleshooting and support

Start with Troubleshooting. If escalation is still required, follow Support guidance and include the request ID, operation, UTC time, and HTTP status—never a credential.