NestJS

import { SimizService } from '@simiz/nestjs';

@Injectable()
export class PaymentService {
  constructor(private readonly simiz: SimizService) {}

  async createPayment(dto: CreatePaymentDto) {
    const transaction = await this.simiz.createTransaction({
      amount: dto.amount,
      currency: 'XAF',
      phone_number: dto.phoneNumber,
      provider: dto.provider,
      description: dto.description,
      metadata: { orderId: dto.orderId },
    });

    return { checkoutUrl: transaction.checkout_url };
  }

  async getPayment(transactionId: string) {
    return this.simiz.getTransaction(transactionId);
  }
}

import { SimizWebhookGuard, SimizWebhookPayload } from '@simiz/nestjs';

@Controller('webhooks')
export class WebhookController {
  @Post('simiz')
  @UseGuards(SimizWebhookGuard)
  async handleWebhook(@Body() payload: SimizWebhookPayload) {
    switch (payload.event) {
      case 'transaction.completed':
        // Handle successful payment
        break;
      case 'transaction.failed':
        // Handle failed payment
        break;
      case 'refund.completed':
        // Handle refund
        break;
    }
  }
}

import { CreateTransactionDto, TransactionResponseDto } from '@simiz/nestjs';

SIMIZ_API_KEY=smz_test_xxxxxxxxxxxx
SIMIZ_ENVIRONMENT=sandbox