API & INTEGRATION

API Integration Built for Seamless Business Operations.

We build custom APIs and integrate third-party services, payment gateways, CRMs, ERPs, analytics tools, and internal systems so your business can operate with connected, automated, and reliable data flow.

From payment systems to data synchronization, we help your platforms work together properly.

Your Systems Should Work Together

Many businesses use multiple tools to manage customers, payments, operations, data, marketing, and reporting. But when these systems are not connected, teams spend too much time moving data manually, checking different dashboards, and fixing inconsistent information. At DIAITI, we help businesses connect their digital systems through custom APIs and reliable integrations. Whether you need to connect a website with a payment gateway, sync customer data with a CRM, integrate with an ERP, or automate workflows between platforms, we build the technical bridge that keeps everything working smoothly.

Connected systems. Cleaner data. Faster operations.

API & Integration Solutions We Build

We build integrations based on your business workflow, technical requirements, and the systems you already use.

Custom API Development

Build secure and structured APIs for your website, mobile app, dashboard, SaaS platform, or internal system.

REST APIGraphQLAPI AuthenticationAPI DocumentationBackend Services

Third-Party API Integration

Connect your system with external platforms and services to extend functionality and reduce manual work.

External ServicesData ExchangeAPI MappingError HandlingService Integration

Payment Gateway Integration

Integrate secure payment flows for ecommerce, booking systems, invoices, subscriptions, marketplaces, and service platforms.

StripeMidtransXenditPayPalWebhook Handling

CRM & ERP Integration

Sync customer, order, invoice, inventory, or operational data with your CRM, ERP, or internal business tools.

Customer SyncOrder SyncLead ManagementERP ConnectionData Mapping

Data Synchronization

Keep data consistent across multiple systems with automated sync flows and structured data pipelines.

Real-Time SyncScheduled SyncData ValidationDuplicate HandlingSync Logs

Webhook Integration

Receive and process real-time events from payment gateways, SaaS tools, ecommerce platforms, CRMs, and other services.

Event HandlingWebhook SecurityRetry LogicStatus UpdatesActivity Logs

Email & Notification Integration

Connect your system with email, SMS, WhatsApp, or notification services to automate important communication flows.

Transactional EmailStatus NotificationsReminder FlowSMS IntegrationWhatsApp Integration

Analytics & Tracking Integration

Integrate analytics and tracking tools to understand user behavior, conversions, system activity, and business performance.

Google AnalyticsMeta PixelConversion TrackingEvent TrackingReporting Data

What’s Included in Our API & Integration Service

We handle the technical details needed to make your systems communicate securely, reliably, and efficiently.

API Planning & Architecture

  • Requirement Analysis
  • API Flow Mapping
  • Endpoint Planning
  • Data Structure Design
  • Authentication Strategy

API Development

  • REST API Development
  • GraphQL Development
  • Backend Logic
  • Request Validation
  • API Response Handling

Third-Party Integration

  • Payment Gateway Integration
  • CRM Integration
  • ERP Integration
  • Email Service Integration
  • Analytics Integration

Data Handling

  • Data Mapping
  • Data Transformation
  • Data Validation
  • Duplicate Prevention
  • Sync Monitoring

Security & Reliability

  • Token Authentication
  • OAuth Integration
  • Webhook Verification
  • Access Control
  • Error Handling

Monitoring & Support

  • Integration Logs
  • Failure Tracking
  • Retry Mechanism
  • Status Monitoring
  • Technical Support

Built Around Real Business Workflows

A good integration is not only about connecting two systems. It is about making sure data moves correctly, workflows become easier, and your team can operate with fewer manual steps.

Before writing code, we map how your business process works, where the data comes from, where it needs to go, and what should happen when something changes. This helps us build integrations that are useful, stable, and aligned with your daily operations.

  • Reduce manual data entry
  • Keep information consistent
  • Automate repetitive workflows
  • Connect existing business tools
  • Improve operational visibility
  • Support scalable system growth

Our API & Integration Process

We follow a structured process to make sure every integration is secure, reliable, and built around your business needs.

01

Discovery

We understand your current systems, business workflow, integration goals, and technical requirements.

02

System Mapping

We map the data flow, API endpoints, triggers, events, user roles, and expected system behavior.

03

Technical Planning

We define the integration architecture, authentication method, data structure, error handling, and security approach.

04

Development

We build the API, integration logic, webhook handlers, sync process, dashboard features, or backend services.

05

Testing

We test requests, responses, edge cases, failed transactions, duplicate data, webhook events, and user flows.

06

Deployment

We deploy the integration to production and configure the required environment, credentials, webhooks, and services.

07

Monitoring & Improvement

We monitor integration behavior, review logs, fix issues, and improve the workflow when needed.

Technology We Use

We choose the right tools based on your system, integration complexity, security needs, and scalability requirements.

Backend

Laravel, PHP, Node.js, Python, FastAPI

API

REST API, GraphQL, Webhooks, OAuth 2.0, JWT

Frontend

React, Next.js, Inertia.js, Tailwind CSS

Database

MySQL, PostgreSQL

Payments

Stripe, Midtrans, Xendit, PayPal, HitPay

Email & Notification

Brevo, SendGrid, Mailgun, SMTP, WhatsApp API

Infrastructure

DigitalOcean, Cloudflare, VPS, Linux Server

Automation

Queues, Cron Jobs, Webhooks, Background Jobs

Why Build API & Integration With DIAITI?

Engineering-First Approach

We build integrations with proper structure, validation, security, and maintainable code.

Business-Oriented Execution

We focus on how the integration supports your real workflow, not just how the API connects technically.

Secure & Reliable

We handle authentication, data validation, error handling, webhook verification, and access control properly.

Scalable Integration Design

We design integrations that can grow with your system and adapt to future business needs.

Common API & Integration Use Cases

Here are some practical ways API integration can improve your digital operations.

Payment Integration

Connect your website, ecommerce platform, booking system, invoice system, or SaaS product with secure online payments.

Order & Inventory Sync

Sync order, product, stock, and customer data across ecommerce, warehouse, ERP, or internal systems.

CRM Lead Sync

Send website inquiries, form submissions, and customer data directly into your CRM or sales pipeline.

Webhook Event Handling

Process real-time events such as successful payments, failed payments, account updates, form submissions, and system notifications.

Email Automation

Trigger transactional emails, reminders, payment receipts, booking confirmations, and status updates automatically.

Dashboard Data Integration

Pull data from different systems into one dashboard for easier monitoring and reporting.

API Integration for Different Business Needs

We help different types of businesses connect systems, automate workflows, and manage data more efficiently.

Ecommerce & RetailBooking & ReservationLogistics & OperationsFinance & InvoicingEducation & InstitutionsSaaS ProductsMarketplacesBusiness PortalsCRM & Sales TeamsInternal Business Systems

Need More Than Integration?

Frequently Asked Questions

Can you integrate payment gateways?

Yes. We can integrate payment gateways such as Stripe, Midtrans, Xendit, PayPal, HitPay, and other providers depending on your business location and requirements.

Can you connect my website with a CRM or ERP?

Yes. We can connect your website, dashboard, ecommerce platform, or custom system with CRM, ERP, or internal business tools.

Can you build a custom API for my system?

Yes. We can build custom APIs for websites, mobile apps, dashboards, SaaS platforms, marketplaces, and internal systems.

Can you handle webhooks?

Yes. We can build secure webhook handlers to process real-time events from payment gateways, CRMs, SaaS platforms, ecommerce systems, and other services.

Can you sync data between two systems?

Yes. We can build real-time or scheduled data synchronization between systems, including validation, duplicate handling, and sync logs.

Do you handle API security?

Yes. We can implement authentication, authorization, token handling, OAuth, webhook verification, access control, validation, and secure error handling.

Can you integrate with an undocumented or limited API?

In many cases, yes. We can review the available API documentation, test the endpoints, and define the best technical approach based on what the platform supports.

Let’s Build an Integration That Makes Your Workflow Smoother.

Tell us what systems you want to connect, what data needs to move, and what workflow you want to automate. We will help you design and build the right integration.

From payment gateways and CRMs to custom APIs and real-time webhooks, we build integrations that help your business operate better.