Tutorial videos

Create a project API key in the dashboard and copy it. You use that key everywhere via the X-API-Key header.

Switch the active project key in the dashboard's key selector. Every call on this page uses whichever key is active.

Open SDK Settings and download the horizOn_config.json file for your project. That file holds the API key and backend domain your SDK needs.

Pick an endpoint in the API Explorer and send a live request. The real response from your project comes back in the panel below.

Choose your engine and follow the path to a working game connection.

Register, sign in and return to your selected Quickstart step.

Install the package through Unity Package Manager and check that the SDK is available.

Copy the add-on into your Godot project and enable the plugin.

Install the Unreal plugin, enable it and restart the editor.

Import horizOn_config.json with Config Importer and check the generated asset.

Import horizOn_config.json through the Tools menu and check horizon_config.tres.

Import horizOn_config.json through Tools and check the plugin settings.

Configure project and account keys, then verify both connections in the MCP client.

Run the anonymous sign-in example in Play mode and check the response.

Run the sign-in script in a scene and check the response.

Run HorizonAuthExample in a level and inspect the Output Log.

Prepare curl, request an anonymous player session and retain userId and accessToken.

Choose a visible game goal and continue with code or a concrete agent request.

See what is happening across your game and open the work that needs attention.

Install the horizOn SDK for Unity, Godot or Unreal, or use REST, and send your first call from code.

Install the horizOn SDK for Unity, Godot or Unreal, or use REST, and send your first call from code.

Rate limits of the horizOn API and how to stay below them with caching.

Manage your subscription and account preferences

Simple Server: a small self-hosted PHP backend that mirrors the horizOn Cloud API.

Browse registered players in User Management, including their sign in method and account status. You can search, filter, and open a single player's detail view.

Sign in a player anonymously and reuse the session for further calls.

Load and update the player avatar, frame and badges.

Sign in a player anonymously and reuse the session for further calls.

Display the player's avatar, frame and badges.

Sign in a player anonymously and reuse the session for further calls.

Display the player's avatar, frame and badges.

Open a leaderboard and view the current player standings. You can see rank, score, and player name for every entry.

Open a player's cloud save entry in the dashboard and inspect the stored JSON data. This is useful for support requests and debugging save issues.

Send a valid and an invalid game action and compare the server responses.

Save game progress and load it on the next launch.

Have the server validate game actions.

Server-owned values of one player. Only validated runs change them; here you can correct a balance for support, for example after a refund. The new balance applies right away and today's earnings stay as they are.

The server asks your game for the input log of a run when the run reaches the top N of a leaderboard or crosses a soft threshold. The game uploads the log within 24 hours. Download a log to replay the run locally with its seed, then delete the evidence or remove the score in the leaderboard.

Example games and demo apps built with horizOn, including Seagull Storm.

Save game progress and load it on the next launch.

Have the server validate game actions.

Server-owned values of one player. Only validated runs change them; here you can correct a balance for support, for example after a refund. The new balance applies right away and today's earnings stay as they are.

The server asks your game for the input log of a run when the run reaches the top N of a leaderboard or crosses a soft threshold. The game uploads the log within 24 hours. Download a log to replay the run locally with its seed, then delete the evidence or remove the score in the leaderboard.

Example games and demo apps built with horizOn, including Seagull Storm.

Create a new remote config key and value in the dashboard. Your game reads it live without a new build.

Create a new localization key and fill in its translations across languages. Your game fetches the current values at runtime.

Write and publish a news post from the dashboard. Players see it inside your game's news feed right away.

Create a gift code with its rewards and redemption limit. Players can validate and redeem it directly from your game.

Send a transactional email to a registered player from the dashboard. You pick a template, fill in the variables, and horizOn resolves the verified address.

Keep your game alive

Keep your game alive

Open a crash group in Crash Reporting and inspect the stack trace and breadcrumbs. Crashes are grouped by fingerprint so duplicates stay together.

Open a submitted bug report or feature request in User Feedback and review its details. You can change its status as you work through it.

Search and filter client side logs sent from your game in User Logs. You can narrow results by severity and by player.

Understand & improve

Understand & improve

Have a question or found a bug? Open a ticket from the dashboard if you have an account, or use the guest ticket form on horizon.pm. You can also join the Discord community for quick help.