Payment systems
Payment systems is designed around your users, operational rules and measurable business objectives.
Platforms & Integrations
API & System Integrations
Connect systems and automate the flow of data
Automate reliable data flow between your existing platforms and providers.
Web
Mobile
API
CRM
ERP
Pay
POST /webhooks200
RESTWebhookSync
REST API design
Webhook event flows
Data synchronization
Third-party connections
Service overview
What are API & System Integrations?
Automate reliable data flow between your existing platforms and providers.
Integrations remove repeated data entry across applications and let processes move forward automatically when events happen.
We connect payments, ERP, CRM, accounting, SMS, email, shipping, marketplaces, banks and maps with error handling, retries, audit logs and data mapping rules.
- Reduce manual work and avoidable errors
- Create one reliable source of operational data
- Improve visibility and accountability
Scope
What we build
ERP and CRM
ERP and CRM is designed around your users, operational rules and measurable business objectives.
Accounting
Accounting is designed around your users, operational rules and measurable business objectives.
SMS and email
SMS and email is designed around your users, operational rules and measurable business objectives.
Shipping and marketplaces
Shipping and marketplaces is designed around your users, operational rules and measurable business objectives.
Banking and maps
Banking and maps is designed around your users, operational rules and measurable business objectives.
Connect to your partners with EDI
Need EDIFACT messaging with shipping lines, customers or suppliers? See message families, delivery channels and our project approach on the EDI integration page.
Delivery model
How we work
- 01
System map
We list sources, targets, and data fields.
- 02
Mapping document
We document field transforms and business rules.
- 03
API development
We build REST endpoints and authentication.
- 04
Webhook setup
We configure event listeners and signature verification.
- 05
Test scenarios
We validate end-to-end sync and failure cases.
- 06
Production monitoring
We enable metrics, logs, and alert dashboards in production.
System architecture
Example system architecture
We design a controlled stack from user interfaces through API, backend and data layers, with CRM, ERP, payments and third-party services connected where they belong.
ERP
CRM
Payment provider
Integration hub
REST API layer
Webhook listeners
Transformation and mapping
Queue and retry
Shipping API
Accounting
Marketplace
ERP
CRM
Payment provider
Capabilities
Technologies we use
- REST API
- Webhooks
- Node.js
- TypeScript
- PostgreSQL
- Cloud
- Authentication
- Next.js
- React
Our approach
Why Pars Medya?
Pars Medya combines business analysis, product design and software engineering in one accountable team. We communicate clearly, avoid unnecessary complexity and build maintainable systems that can grow with your organization and international ambitions.
End repetitive entry
We stop entering the same data manually in multiple systems.
REST standards
We design readable, versioned API contracts.
Real-time sync via webhooks
Event-driven flows reduce delay.
Third-party flexibility
Adding new providers is easier with a hub architecture.
Error visibility
Failed sync jobs are tracked with logs and alerts.
Outcomes
What this delivers for your business
Consistent data
Current customer, product, and order data flows between systems.
Automated workflow
Payment confirmation or stock change triggers the next step.
Faster operations
Processes waiting on manual transfer shorten.
Reliable integration
Retry and queue mechanisms tolerate transient failures.
Extensible architecture
Adding new REST endpoints or webhooks stays orderly.
Auditable sync
Each transfer log shows what data moved and when.
Use cases
Where this service fits
Growing organizations
Teams replacing spreadsheets and disconnected tools with managed workflows.
Multi-team operations
Processes requiring shared data, approvals and clear responsibilities.
Digital products
Customer-facing services that need secure and scalable technology.
How we engage
From discovery to pilot, from pilot to ongoing support
Every project starts with a small, clear step. We decide on the next stage together once you have seen the results of the previous one.
- 01
Discovery workshop
We clarify goals, users, current workflows and integration needs together.
- Process and needs map
- Scope and priority list
- Technical approach and risks
- Phased roadmap and proposal
Price: quoted to your needs
Discuss this stage - 02
Fixed-scope pilot
We deliver the most valuable part identified in discovery as a pilot with scope and timeline agreed up front.
- Written scope and timeline
- Regular demos and feedback
- A tested, usable first release
- Agreed success criteria
Price: quoted to your needs
Discuss this stage - 03
Monthly support & development
After launch we monitor, maintain and keep developing the system in planned increments.
- Maintenance, updates and security checks
- Monitoring and issue tracking
- Monthly development plan
- Regular reporting
Price: quoted to your needs
Discuss this stage
FAQ
Questions teams usually ask
Can legacy systems without an API be integrated?+
Database access, file transfer or other methods offered by the provider are reviewed for security and data integrity before we choose the approach.
How are integration errors tracked?+
Transaction logs, error queues, retry rules and alerts make failed flows visible and manageable.
How long does a api & system integrations project take?+
Timing depends on scope, roles, integrations and migration needs. After discovery we provide a realistic phased plan.
Do you provide support after launch?+
Yes. Monitoring, maintenance and further development can continue under an agreed support model.
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