var client = new FutClient();

var loginDetails = new LoginDetails("e-mail", "password", "secret answer", Platform.Ps4 /* or any of the other platforms */, AppVersion.WebApp /* or AppVersion.CompanionApp */);
ITwoFactorCodeProvider provider = // initialize an implementation of this interface
var loginResponse = await client.LoginAsync(loginDetails, provider);

var searchParameters = new PlayerSearchParameters
{
    Page = 1,
    Level = Level.Gold,
    ChemistryStyle = ChemistryStyle.Sniper,
    League = League.BarclaysPremierLeague,
    Nation = Nation.Norway,
    Position = Position.Striker,
    Team = Team.ManchesterUnited
};

var searchResponse = await client.SearchAsync(searchParameters);
foreach (var auctionInfo in searchResponse.AuctionInfo)
{
	// Handle auction data
}

var auctionResponse = await client.PlaceBidAsync(auctionInfo, 150);

var auctionResponse = await client.PlaceBidAsync(auctionInfo);

var auctionResponse = await client.GetTradeStatusAsync(
    Auctions // Contains the auctions we're currently watching
    .Where(x => x.AuctionInfo.Expires != -1) // Not expired
    .Select(x => x.AuctionInfo.TradeId));

foreach (var auctionInfo in auctionResponse.AuctionInfo)
{
	// Handle the updated auction data
}

var item = await client.GetItemAsync(auctionInfo);

var imageBytes = await client.GetPlayerImageAsync(auctionInfo);

var imageBytes = await client.GetClubImageAsync(auctionInfo);

var imageBytes = await client.GetNationImageAsync(auctionInfo);

var creditsResponse = await client.GetCreditsAsync();

// Duration = one hour, starting bid = 150 and no buy now price
var auctionDetails = new AuctionDetails(auctionInfo.ItemData.Id);

// Duration = three hours, starting bid = 200 and buy now price = 1000
var auctionDetails = new AuctionDetails(auctionInfo.ItemData.Id, AuctionDuration.ThreeHours, 200, 1000);

var listAuctionResponse = await client.ListAuctionAsync(auctionDetails);

var tradePileResponse = await client.GetTradePileAsync();

var watchlistResponse = await client.GetWatchlistAsync();

var purchasedItemsResponse = await client.GetPurchasedItemsAsync();

var searchParameters = new DevelopmentSearchParameters
{
    Page = 1,
    Level = Level.Gold,
    DevelopmentType = DevelopmentType.Healing,
};

var searchResponse = await client.SearchAsync(searchParameters);
foreach (var auctionInfo in searchResponse.AuctionInfo)
{
    // Handle auction data
}

 var searchParameters = new TrainingSearchParameters
{
    Page = 1,
    Level = Level.Gold,
    TrainingType = TrainingType.ChemistryStyles,
};

var searchResponse = await client.SearchAsync(searchParameters);
foreach (var auctionInfo in searchResponse.AuctionInfo)
{
    // Handle auction data
}

var sendToTradePileResponse = await client.SendItemToTradePileAsync(itemData);

var quickSellResponse = await client.QuickSellItemAsync(ItemData.Id);

await client.RemoveFromWatchlistAsync(auctionInfo);

await client.RemoveFromTradePileAsync(auctionInfo);

var pileSizeResponse = await client.GetPileSizeAsync();

await client.ReListAsync();

var clubItems = await client.GetClubItemsAsync();
foreach (var itemData in clubItems.ItemData)
{
    // deal with players
}

var squadListResponse = await client.GetSquadListAsync();
foreach (var squad in squadListResponse.squad)
{
	string name = squad.squadName;
	// etc.
}

var squadDetailsResponse = await client.GetSquadDetailsAsync(squad.id);
foreach (var squadPlayer in squadDetailsResponse.players)
{
	var itemData = squadPlayer.itemData;
	//read properties of players etc.  
	//Positions seem to be set by index number and depend on formation
}

var playerDefinitions = await client.GetDefinitionsAsync(/* AssetId */);

foreach (ItemData itemData in playerDefinitions.ItemData)
{
    var definitionId = itemData.ResourceId;
    // Contains the Definition ID for i.e. a TOTW card, which you can use to search for this specific card
}

var priceRanges = await client.GetPriceRangesAsync(/* List of ItemIds */);

foreach (PriceRange priceRange in priceRanges)
{
    priceRange.MaxPrice = // Maximum BIN
    priceRange.MinPrice = // Minimum Starting BID
}

CaptchaResponse captchaImg = await futClient.GetCaptchaAsync();

var CaptchaValidate = await futClient.ValidateCaptchaAsync(/* answer */);

await client.RemoveSoldItemsFromTradePileAsync();