.NET SDK

<PackageReference Include="SynapseNetwork.Sdk" Version="0.1.0-preview" />

using SynapseNetwork.Sdk;

var client = new SynapseClient(new SynapseClientOptions
{
    Credential = Environment.GetEnvironmentVariable("SYNAPSE_AGENT_KEY")!,
    Environment = "staging",
});

var services = await client.SearchAsync("svc_synapse_echo", new SearchOptions { Limit = 10 });
var service = services[0];
var price = service.Pricing?.GetProperty("amount").GetString() ?? "0";

var result = await client.InvokeAsync(
    service.ServiceId ?? service.Id!,
    new Dictionary<string, object?>
    {
        ["message"] = "hello from Synapse SDK smoke",
        ["metadata"] = new Dictionary<string, object?> { ["scenario"] = "quickstart" },
    },
    new InvokeOptions { CostUsdc = price });

Console.WriteLine($"{result.InvocationId} {result.Status} {result.ChargedUsdc}");

var result = await client.InvokeLlmAsync(
    "svc_deepseek_chat",
    new Dictionary<string, object?>
    {
        ["messages"] = new[]
        {
            new Dictionary<string, object?> { ["role"] = "user", ["content"] = "hello" },
        },
    },
    new LlmInvokeOptions { MaxCostUsdc = "0.010000" });