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Best Payment Solutions for ASP.NET Core (2026)

Compare the best payment solutions for ASP.NET Core. We review Stripe, PayPal, and more with .NET SDK integration patterns.

ASP.NET Core applications need reliable payment integration. We've evaluated payment providers with strong .NET SDKs and proper async support.

Por Que É Importante

.NET's type safety and async patterns make payment integrations robust. Proper SDK usage with dependency injection ensures maintainable, testable payment code.

Considerações Importantes

01

.NET SDKs

Most providers have official .NET SDKs. Use them for type safety and easier upgrades. Register in DI container.

02

Webhook Handling

ASP.NET Core handles webhooks easily. Verify signatures, use [FromBody] for JSON, and process async.

03

Async/Await

Use async methods throughout. Payment SDKs support async. Don't block on payment operations.

04

Configuration

Store API keys in appsettings.json or secrets. Use IOptions<T> pattern for typed configuration.

05

Testing

Use provider test modes. Mock SDK interfaces in unit tests. Integration test with sandbox accounts.

Nossas Recomendações

Stripe
#1

Stripe

Melhor Geral Excelente Suporte SDK Oficial

Stripe has excellent .NET SDK with full async support. Type-safe API, comprehensive features. 2.9% + 30¢. Industry standard.

dotnet add package Stripe.net
Paddle
#2

Paddle

Melhor para Global Bom Suporte

Paddle handles global taxes as Merchant of Record. Use their API with HttpClient. 5% + 50¢. Simplifies tax compliance.

Use Paddle API with HttpClient
Braintree
#3

Braintree

Melhor Integração PayPal Excelente Suporte SDK Oficial

Braintree (PayPal) has official .NET SDK. PayPal, cards, Venmo. Good for PayPal customers. Competitive rates.

dotnet add package Braintree
Adyen
#4

Adyen

Melhor para Empresas Excelente Suporte SDK Oficial

Adyen for enterprise payments. Official .NET SDK. Global payment methods, risk management. Volume pricing.

dotnet add package Adyen
Square
#5

Square

Melhor Omnicanal Excelente Suporte SDK Oficial

Square for online + in-person payments. Official .NET SDK. Unified commerce platform. 2.9% + 30¢.

dotnet add package Square

Comparação Rápida

Serviço TypeScript Edge Plano Gratuito Tempo de Configuração
Stripe
none N/A 30 min
Paddle
none N/A 45 min
Braintree
none N/A 30 min
Adyen
none N/A 60 min
Square
none N/A 30 min

Início Rápido

Stripe Payment Intent with ASP.NET Core PaymentController.cs
[ApiController]
[Route("api/[controller]")]
public class PaymentController : ControllerBase
{
    private readonly IStripeClient _stripeClient;
    
    public PaymentController(IStripeClient stripeClient)
    {
        _stripeClient = stripeClient;
    }
    
    [HttpPost("create-intent")]
    public async Task<ActionResult> CreatePaymentIntent([FromBody] PaymentRequest request)
    {
        var service = new PaymentIntentService(_stripeClient);
        var intent = await service.CreateAsync(new PaymentIntentCreateOptions
        {
            Amount = request.Amount,
            Currency = "usd"
        });
        return Ok(new { clientSecret = intent.ClientSecret });
    }
}

Padrões de Integração Comuns

Stripe + ASP.NET Core

Stripe.net SDK with dependency injection and webhook handling.

stripe

Stripe + Azure Functions

Serverless payment processing with Stripe webhooks.

stripe

Braintree + PayPal

Braintree for cards with integrated PayPal checkout.

braintree paypal

Perguntas Frequentes

How do I handle Stripe webhooks in ASP.NET Core?
Create a controller endpoint that reads raw body with [FromBody]. Verify signature with EventUtility.ConstructEvent(). Return 200 after processing.
How do I register Stripe in dependency injection?
Register StripeClient as singleton with API key from configuration. Inject IStripeClient into controllers and services.
What about PCI compliance?
Use Stripe Elements or Checkout to avoid handling card data. Never log or store card numbers. Let the provider handle PCI compliance.
How do I test payments in development?
Use Stripe test mode with test API keys. Test card numbers like 4242424242424242 simulate success. Use webhook CLI for local testing.

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Última atualização: January 11, 2026