Import from Steam

If your game is already on Steam, you can copy its store page into a Blazium Games listing instead of filling it in by hand. Everything that has a matching field here comes over: the name and description, genres and tags, release status, images, press kit details, price, content warnings, and a link back to the Steam store page.

You need developer mode, the game's Steam app ID, and a Steamworks Web API key for the publisher that owns the app.

Get a Steamworks Web API key

Importing uses a publisher Web API key, not a personal Steam Web API key.

1. Sign in to Steamworks.
2. Open Users & Permissions > Manage Groups and pick a group that has the app.
3. Create a Web API key for the group, or copy its existing one. It is 32 characters, 0-9 and A-F.

Blazium Games asks Steam which apps the key covers before it reads anything. A key that doesn't cover the app is refused with 4241.

Import

1. Open Import from Steam. It is also on your Dashboard as Import from Steam, and on the New project page.
2. Enter the app ID, or paste the store link (https://store.steampowered.com/app/480/...).
3. Paste the Web API key.
4. Under Import into, choose A new draft listing, or a listing you own or help run.
5. Untick any Parts to import you want to keep as they are. A new listing always takes the name and description.
6. Tick Enable Steam auth verification if your game will use Steam auth verification. Otherwise the key is used for this import only and is not saved.
7. Click Preview to see what would change. Nothing is saved yet.
8. Click Import. You land on the listing's Steam tab.

A new listing starts as a draft. Check it over, upload builds, and publish it from the Settings tab as usual. Imported images go through the same size checks as uploads; see Listings.

What is imported

Part	Listing fields
Name, tagline and description	Name, short description, and the "About this game" text converted to Markdown.
Genres, tags, players and inputs	Steam genres and the most used store tags mapped onto platform genres and tags, single-player or multiplayer, local or online play, and keyboard and mouse, gamepad, or VR input.
Release status	Released, or In development while Steam says "Coming soon".
Cover, thumbnail and screenshots	Steam's screenshots, resized to the platform sizes, up to the screenshot limit. The first becomes the cover and thumbnail, and screenshots under 1280x720 are skipped. These replace the current images.
Press kit release date and website	The release date, website, trailer, and developer and publisher credits on the press kit.
Price	The US price, or free. A non-USD or missing price is skipped.
Content warnings and adult flag	Steam's mature content descriptors and age gate.
Steam store link	The Steam entry in the listing's store links.

The preview and the result list every field as imported, skipped (with the reason, such as a value the listing check would refuse), or not imported. Languages, system requirements, achievements, and DLC have no field here. Supported operating systems come from the builds you upload. Import each DLC as its own listing.

Resync and unlink

The listing's Steam tab (on the edit page, /edit/{your-listing}?tab=steam) shows the linked app and when it was imported and last synced.

• Resync runs the import again for the parts you tick. Enter the Web API key, or leave it empty when Steam auth verification is on and the saved key is used.
• Unlink from Steam removes the link, turns off Steam auth verification, deletes its keys, and forgets the Web API key. The imported fields stay as they are.

Each Steam app can be linked to one listing. Unlink it there before importing it somewhere else (4242).

Limits

• 60 previews and 10 imports or resyncs per account per day (4290 past that).
• Only apps that Steam lists as a game can be imported.
• The Web API key is never shown again, never written to logs, and can't be used through MCP. Importing is only on the website.

API

The website calls these routes with your session. They are refused for MCP tokens.

Method and path	Body	Returns
POST /api/v1/private/steam/import/preview	app_id, web_api_key, optional game_uid and groups	The fields that would change: imported, skipped, not_imported, screenshots, and target.
POST /api/v1/private/steam/import	The same, plus enable_auth	game_uid, vanity_name, created, the report, and steam (the Steam tab settings).
GET /api/v1/private/games/{game_id}/steam		The Steam tab settings. 4244 when the listing isn't linked.
POST /api/v1/private/games/{game_id}/steam/resync	groups, optional web_api_key	The report and the settings.
DELETE /api/v1/private/games/{game_id}/steam		Unlinks the listing.

groups can include text, taxonomy, status, images, press, price, age, and store_link. Leaving it out imports every part.

Errors

Code	HTTP	Meaning
4105	403	Turn on developer mode first.
4240	400 or 422	The app ID, key, or groups are not valid, Steam has no store page for the app, or the app isn't a game.
4241	403	The key isn't a Steamworks publisher key for this app.
4242	409	Another listing has this app, or this listing is linked to a different app.
4243	502	Steam didn't answer. Try again in a few minutes.
4244	404	The listing isn't linked to Steam.
4290	429	Daily preview or import limit reached.

What Blazium Games reads from Steam, and what it keeps, is in the Steam API disclosure.