GameFlow API Documentation - SinarTek Developer Resources

Quick Start Guide

Get Your API Keys

// Your API credentials
const API_KEY = "gf_live_abc123...";
const PROJECT_ID = "proj_xyz789...";

Install SDK

Choose your platform and install the GameFlow SDK.

// Unity Package Manager
// Add package from git URL:
// https://github.com/gameflow/unity-sdk.git

Initialize & Test

Initialize the SDK and make your first API call.

// Initialize GameFlow
GameFlow.Initialize(API_KEY, PROJECT_ID);

// Test connection
GameFlow.TestConnection()
    .then(() => console.log("Connected!"))
    .catch(err => console.error(err));

API Reference

Payments API

Process payments, handle subscriptions, and manage virtual currency.

POST /api/v1/payments/purchase

Create Purchase

Create a new purchase transaction for virtual items or currency.

// Create a purchase
const purchase = await GameFlow.Purchase.create({
    items: [
        {
            id: "premium_sword",
            quantity: 1,
            price: 9.99,
            currency: "USD"
        }
    ],
    playerId: "player_123",
    metadata: {
        source: "in_game_store"
    }
});

console.log("Purchase ID:", purchase.id);

// Create a purchase (Unity C#)
var purchase = new PurchaseRequest
{
    Items = new List<PurchaseItem>
    {
        new PurchaseItem
        {
            Id = "premium_sword",
            Quantity = 1,
            Price = 9.99m,
            Currency = "USD"
        }
    },
    PlayerId = "player_123"
};

var result = await GameFlow.Purchase.CreateAsync(purchase);

curl -X POST https://api.gameflow.com/v1/payments/purchase \
  -H "Authorization: Bearer gf_live_abc123..." \
  -H "Content-Type: application/json" \
  -d '{
    "items": [
      {
        "id": "premium_sword",
        "quantity": 1,
        "price": 9.99,
        "currency": "USD"
      }
    ],
    "playerId": "player_123"
  }'

Parameters

`items`	array	Required	Array of items to purchase
`playerId`	string	Required	Unique player identifier
`paymentMethod`	string	Optional	Preferred payment method

Response

{
  "id": "pur_abc123",
  "status": "completed",
  "amount": 9.99,
  "currency": "USD",
  "items": [
    {
      "id": "premium_sword",
      "name": "Legendary Sword",
      "quantity": 1
    }
  ],
  "createdAt": "2025-06-13T10:30:00Z"
}

GET /api/v1/payments/balance/{playerId}

Get Player Balance

Retrieve the current virtual currency balance for a player.

                                // Get player balance
const balance = await GameFlow.Player.getBalance("player_123");
console.log("Coins:", balance.coins);
console.log("Gems:", balance.gems);
                            

In-Game Store API

Manage your in-game store, items, and inventory.

GET /api/v1/store/items

Get Store Items

Retrieve all available items in your game store.

                                // Get store items
const items = await GameFlow.Store.getItems({
    category: "weapons",
    limit: 20,
    offset: 0
});

items.forEach(item => {
    console.log(item.name, item.price);
});
                            

Response

{
  "items": [
    {
      "id": "premium_sword",
      "name": "Legendary Sword",
      "description": "A powerful weapon for heroes",
      "price": 9.99,
      "currency": "USD",
      "category": "weapons",
      "rarity": "legendary",
      "image": "https://cdn.gameflow.com/items/sword.png"
    }
  ],
  "total": 1,
  "hasMore": false
}

Authentication API

Secure player authentication and session management.

POST /api/v1/auth/login

Player Login

Authenticate a player and create a session.

                                // Player login
const session = await GameFlow.Auth.login({
    email: "player@example.com",
    password: "securePassword123"
});

// Or social login
const socialSession = await GameFlow.Auth.loginWithGoogle({
    googleToken: "google_oauth_token"
});

console.log("Session token:", session.token);
                            

Analytics API

Track events, player behavior, and revenue metrics.

POST /api/v1/analytics/events

Track Event

Send custom analytics events to track player behavior.

                                // Track custom events
await GameFlow.Analytics.track("level_completed", {
    level: 5,
    score: 2500,
    timeSpent: 180,
    playerId: "player_123"
});

// Track purchase events
await GameFlow.Analytics.trackPurchase({
    itemId: "premium_sword",
    amount: 9.99,
    currency: "USD",
    playerId: "player_123"
});
                            

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Quick Start Guide

Get Your API Keys

Install SDK

Initialize & Test

API Reference

Payments API

Create Purchase

Parameters

Response

Get Player Balance

In-Game Store API

Get Store Items

Response

Authentication API

Player Login

Analytics API

Track Event

Integration Options

Unity SDK

Unreal Engine SDK

Web SDK

REST API

API Testing Playground

Request Body

Response

Developer Support

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