जावा

import com.dodopayments.api.client.DodoPaymentsClient;
import com.dodopayments.api.client.okhttp.DodoPaymentsOkHttpClient;
import com.dodopayments.api.models.checkoutsessions.CheckoutSessionCreateParams;
import com.dodopayments.api.models.checkoutsessions.CheckoutSessionRequest;
import com.dodopayments.api.models.checkoutsessions.ProductItemReq;

// Configure using environment variables (DODO_PAYMENTS_API_KEY, DODO_PAYMENTS_BASE_URL)
// Or system properties (dodopayments.apiKey, dodopayments.baseUrl)
DodoPaymentsClient client = DodoPaymentsOkHttpClient.fromEnv();

CheckoutSessionRequest params = CheckoutSessionRequest.builder()
    .addProductCart(ProductItemReq.builder()
        .productId("product_id")
        .quantity(1)
        .build())
    .build();
    
CheckoutSessionResponse checkoutSessionResponse = client.checkoutSessions().create(params);
System.out.println(checkoutSessionResponse.sessionId());

// Automatically reads from environment variables
DodoPaymentsClient client = DodoPaymentsOkHttpClient.fromEnv();

import java.time.Duration;

DodoPaymentsClient client = DodoPaymentsOkHttpClient.builder()
    .bearerToken("your_api_key_here")
    .baseUrl("https://live.dodopayments.com")
    .maxRetries(4)
    .timeout(Duration.ofSeconds(30))
    .responseValidation(true)
    .build();

DodoPaymentsClient testClient = DodoPaymentsOkHttpClient.builder()
    .fromEnv()
    .testMode()
    .build();

CheckoutSessionRequest params = CheckoutSessionRequest.builder()
    .addProductCart(ProductItemReq.builder()
        .productId("pdt_123")
        .quantity(1)
        .build())
    .returnUrl("https://yourdomain.com/return")
    .build();

CheckoutSessionResponse session = client.checkoutSessions().create(params);
System.out.println("Checkout URL: " + session.checkoutUrl());

import com.dodopayments.api.models.customers.Customer;
import com.dodopayments.api.models.customers.CustomerCreateParams;

// Create a customer
CustomerCreateParams createParams = CustomerCreateParams.builder()
    .email("customer@example.com")
    .name("John Doe")
    .putMetadata("user_id", "12345")
    .build();

Customer customer = client.customers().create(createParams);

// Retrieve customer
Customer retrieved = client.customers().retrieve("cus_123");
System.out.println("Customer: " + retrieved.name() + " (" + retrieved.email() + ")");

import com.dodopayments.api.models.payments.AttachExistingCustomer;
import com.dodopayments.api.models.payments.BillingAddress;
import com.dodopayments.api.models.misc.CountryCode;
import com.dodopayments.api.models.subscriptions.SubscriptionChargeParams;
import com.dodopayments.api.models.subscriptions.SubscriptionChargeResponse;
import com.dodopayments.api.models.subscriptions.SubscriptionCreateParams;
import com.dodopayments.api.models.subscriptions.SubscriptionCreateResponse;

// Create a subscription
SubscriptionCreateParams subscriptionParams = SubscriptionCreateParams.builder()
    .billing(BillingAddress.builder()
        .city("San Francisco")
        .country(CountryCode.US)
        .state("CA")
        .street("1 Market St")
        .zipcode("94105")
        .build())
    .customer(AttachExistingCustomer.builder()
        .customerId("cus_123")
        .build())
    .productId("pdt_456")
    .quantity(1)
    .paymentLink(true)
    .returnUrl("https://yourdomain.com/return")
    .build();

SubscriptionCreateResponse subscription = client.subscriptions().create(subscriptionParams);
System.out.println("Subscription ID: " + subscription.subscriptionId());

// Charge an on-demand subscription
// product_price is in the lowest currency denomination (e.g., 2500 = $25.00 USD)
SubscriptionChargeParams chargeParams = SubscriptionChargeParams.builder()
    .subscriptionId(subscription.subscriptionId())
    .productPrice(2500)
    .build();

SubscriptionChargeResponse chargeResponse = client.subscriptions().charge(chargeParams);
System.out.println("Payment ID: " + chargeResponse.paymentId());

import com.dodopayments.api.models.meters.*;

// Create API calls meter
MeterCreateParams apiMeterParams = MeterCreateParams.builder()
    .name("API Requests")
    .eventName("api_request")
    .aggregation(MeterAggregation.builder()
        .type(MeterAggregation.Type.COUNT)
        .build())
    .measurementUnit("calls")
    .build();

Meter apiMeter = client.meters().create(apiMeterParams);
System.out.println("Meter created: " + apiMeter.id());

// List all meters
client.meters().list()
    .autoPager()
    .forEach(m -> System.out.println("Meter: " + m.name() + " - " + m.aggregation()));

import com.dodopayments.api.models.usageevents.EventInput;
import com.dodopayments.api.models.usageevents.*;
import java.time.OffsetDateTime;

// Ingest single event
UsageEventIngestParams singleEventParams = UsageEventIngestParams.builder()
    .addEvent(EventInput.builder()
        .eventId("api_call_" + System.currentTimeMillis())
        .customerId("cus_abc123")
        .eventName("api_request")
        .timestamp(OffsetDateTime.now())
        .putMetadata("endpoint", "/api/v1/users")
        .putMetadata("method", "GET")
        .putMetadata("tokens_used", "150")
        .build())
    .build();

UsageEventIngestResponse response = client.usageEvents().ingest(singleEventParams);
System.out.println("Processed: " + response.ingestedCount());

UsageEventIngestParams.Builder batchBuilder = UsageEventIngestParams.builder();

for (int i = 0; i < 100; i++) {
    batchBuilder.addEvent(EventInput.builder()
        .eventId("batch_event_" + i + "_" + System.currentTimeMillis())
        .customerId("cus_abc123")
        .eventName("video_transcode")
        .timestamp(OffsetDateTime.now().minusSeconds(i))
        .putMetadata("video_id", "video_" + i)
        .putMetadata("duration_seconds", String.valueOf(120 + i))
        .build());
}

UsageEventIngestResponse batchResponse = client.usageEvents().ingest(batchBuilder.build());
System.out.println("Batch processed: " + batchResponse.ingestedCount() + " events");

import com.dodopayments.api.errors.*;

try {
    Payment payment = client.payments().retrieve("pay_invalid");
} catch (NotFoundException e) {
    System.err.println("Payment not found: " + e.getMessage());
} catch (UnauthorizedException e) {
    System.err.println("Authentication failed: " + e.getMessage());
} catch (PermissionDeniedException e) {
    System.err.println("Permission denied: " + e.getMessage());
} catch (BadRequestException e) {
    System.err.println("Invalid request: " + e.getMessage());
} catch (UnprocessableEntityException e) {
    System.err.println("Validation error: " + e.getMessage());
} catch (RateLimitException e) {
    System.err.println("Rate limit exceeded: " + e.getMessage());
    // SDK automatically retries with backoff
} catch (InternalServerException e) {
    System.err.println("Server error: " + e.getMessage());
} catch (DodoPaymentsServiceException e) {
    System.err.println("API error: " + e.statusCode() + " - " + e.getMessage());
}

import java.util.concurrent.CompletableFuture;

CompletableFuture<CheckoutSessionResponse> future = client.async()
    .checkoutSessions()
    .create(params);

// Handle response asynchronously
future.thenAccept(response -> {
    System.out.println("Session created: " + response.sessionId());
}).exceptionally(ex -> {
    System.err.println("Error: " + ex.getMessage());
    return null;
});

import com.dodopayments.api.client.DodoPaymentsClient;
import com.dodopayments.api.client.okhttp.DodoPaymentsOkHttpClient;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@Configuration
public class DodoPaymentsConfig {
    
    @Value("${dodo.api.key}")
    private String apiKey;
    
    @Value("${dodo.environment:test}")
    private String environment;
    
    @Bean
    public DodoPaymentsClient dodoPayments() {
        return DodoPaymentsOkHttpClient.builder()
            .bearerToken(apiKey)
            .baseUrl(environment.equals("live") 
                ? "https://live.dodopayments.com" 
                : "https://test.dodopayments.com")
            .build();
    }
}

import com.dodopayments.api.client.DodoPaymentsClient;
import com.dodopayments.api.models.checkoutsessions.*;
import org.springframework.stereotype.Service;

@Service
public class PaymentService {
    
    private final DodoPaymentsClient client;
    
    public PaymentService(DodoPaymentsClient client) {
        this.client = client;
    }
    
    public CheckoutSessionResponse createCheckout(List<ProductItemReq> items) {
        CheckoutSessionRequest params = CheckoutSessionRequest.builder()
            .productCart(items)
            .returnUrl("https://yourdomain.com/return")
            .build();
            
        return client.checkoutSessions().create(params);
    }
}