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System Integration

At PAYDA we’re developer-first and built for flexible integration: clean RESTful APIs, language SDKs, webhooks, an interactive sandbox, and prebuilt connectors for common CRMs and orchestration platforms — with custom adapters available for local banks and KYC providers. We assign a dedicated engineer, provide staging credentials and test plans, and support end-to-end validation, monitoring, and production runbooks, all backed by enterprise-grade security (TLS, encryption at rest/in transit, role-based access, and full audit logs) so you get live quickly and reliably.
System Implementation Inquiry

Can PAYDA integrate with our white-label platform without an in-house IT team?

Yes — PAYDA already provides a bank-backed merchant portal specifically for partners who don’t have an in-house IT team. Our ready-made merchant backend lets you manage balances, settlements, payouts, batch operations, role-based access, reconciliation, and reporting from a web UI, so you can operate immediately without deep technical work or custom integration.

At the same time, we’re built to work in diverse white-label environments common across East Asia: clean APIs, SDKs, prebuilt connectors, and dedicated engineering support. If you don’t have internal developers, we offer managed onboarding and integration services (including configuration, testing, and go-live support) so your team can start accepting local payments and managing operations quickly and securely — no local entity or IT staff required. Contact our team and we’ll recommend the fastest path for your setup.

We Integrate Everything

Rapid Integration

We’re fully prepared for rapid integration: clean RESTful APIs, SDKs, webhooks, an interactive sandbox, and prebuilt connectors for common CRMs and payment platforms. You’ll get a dedicated engineer for onboarding, test credentials, integration checklists, and end-to-end go-live support so you can be live fast and secure.

Top-Tier Security

All customer data is encrypted in transit and at rest with enterprise-grade key management; government verification APIs return only a discrete result (match / no match) and never expose raw personal data; systems are built to government-grade security standards with role-based access controls and full audit logs so sensitive PII is protected and staff cannot view it.

User-Friendly UI/UX for Customers, Merchants, and Developers

We designed the interface and verification flows to match East Asian user expectations, so first-time customers find it familiar and intuitive. The merchant dashboard streamlines finance and operations tasks, and developers get clear API docs, SDKs, and a sandbox for fast integration.

Ready to Give Your Customers a Smoother Payment Experience with PAYDA?

If you’re already established in East Asia and want to offer your customers faster, more convenient local payments, PAYDA is the solution for you. If you’re just starting to expand into East Asia, installing PAYDA immediately increases your brand visibility with our existing user base and makes cross-border sales simpler. Deploy PAYDA today and start accepting the local payment methods your customers prefer.
Deploy PAYDA Now
How Rapid Is Integration?
  • We support fast, flexible starts: if you need to go live immediately, you can begin manually on Day 1 using our merchant portal while integration proceeds.
  • Full technical integration can be very fast — in some cases we’ve deployed production in as little as two weeks, depending on the partner’s readiness.
  • We maintain daily, transparent communication with engineering teams to keep integration on track.
Integration Experience
  • Third-party CRMs: Salesforce, SugarCRM, B2Core, FXBO, Skale, and more.
  • Payment orchestration platforms: BridgerPay, Match2Pay, Praxis, and others.
  • Proprietary systems: we support custom CRMs and offer PAYDA’s middle-office merchant CRM for partners without internal IT.
Our Approach
  • We plan for many scenarios and adapt quickly to unfamiliar integration requirements.
  • We design for convenience across all users — customers, merchants, and developers.
  • We release regular updates and proactively incorporate partner feedback to keep integrations stable and evolving.

No IT? No problem — we handle it all

Contact our sales team to get started

System Implementation Inquiry

Terms of Use

Terms Of Use

1. General Terms
By accessing or using any website operated by NS SYSTEM Inc. (“NS SYSTEM”, “we”, or “our”), including but not limited to www.pay-da.tech, www.pay-da.co.kr, and m.pay-da.co.kr (collectively, the “Websites”), you acknowledge that you have read, understood, and agreed to be bound by these Terms and Conditions (“Terms”).
If you do not agree with any part of these Terms, please discontinue use of the Websites immediately.
These Terms apply to all content, data, and communications provided through NS SYSTEM’s Websites. NS SYSTEM is a corporation duly established under the laws of the Republic of Korea.

2. Security and System Integrity
To maintain a secure and reliable online environment, NS SYSTEM may monitor network activity to detect and prevent unauthorized access attempts, data modification, or any action that may harm the Websites or their users.
Any attempt to breach, alter, or damage the Websites or underlying systems — including unauthorized uploads, software installations, or attempts to bypass security controls — is strictly prohibited and may result in legal prosecution under applicable Korean laws.
Suspicious or unlawful activities may be reported to the relevant authorities along with any collected evidence.

3. Accuracy of Information and Limitation of Liability
While NS SYSTEM strives to provide accurate and up-to-date information, all content on the Websites is offered on an “as-is” basis. We make no express or implied warranties regarding the completeness, reliability, or suitability of the information provided.
NS SYSTEM, its employees, or partners shall not be held liable for any direct, indirect, incidental, or consequential damages — including loss of data, business interruption, or profit loss — resulting from your use of or inability to use the Websites.

4. External Links and Third-Party Content
The Websites may contain links to third-party websites or services for your convenience. NS SYSTEM does not control or guarantee the accuracy, safety, or reliability of any external content.
Inclusion of such links does not imply endorsement or sponsorship by NS SYSTEM. Users access external websites at their own risk.

5. Intellectual Property Rights
All materials, texts, images, trademarks, and designs available on the Websites are the intellectual property of NS SYSTEM Inc. unless otherwise indicated.
Unauthorized reproduction, distribution, modification, or commercial use of any materials without prior written consent from NS SYSTEM is strictly prohibited.

6. Free or Informational Services
From time to time, NS SYSTEM may provide newsletters, announcements, or general informational materials through its Websites.
Receiving such information does not constitute a client–company relationship, and NS SYSTEM bears no responsibility for decisions made based on such information.

7. PAYDA Service Websites
NS SYSTEM operates multiple PAYDA-related websites to serve different user categories:
• Inquiries from International Entities: www.pay-da.tech
• Inquiries from Domestic Entities (Korea): www.pay-da.co.kr
• Client Access Portal: m.pay-da.co.kr
Users should refer to the appropriate platform according to their business type and location.

8. Severability
If any part of these Terms is found to be invalid or unenforceable under applicable law, the remaining provisions shall continue to be valid and enforceable to the fullest extent permitted.

9. No Waiver
Failure or delay by NS SYSTEM to enforce any right or provision under these Terms shall not be deemed a waiver of such right.

10. Governing Law and Jurisdiction
These Terms shall be governed by and construed in accordance with the laws of the Republic of Korea.
Any disputes arising from or related to the use of the Websites shall be subject to the exclusive jurisdiction of the Seoul Central District Court (서울중앙지방법원).

© 2018–2026 NS SYSTEM Inc. All rights reserved.

Privacy Notice

Privacy Notice

1. General
This privacy policy outlines how NS SYSTEM Inc. (“NS SYSTEM”, “we”, “our” or “us”) collects, uses, and manages your personal data. This policy applies to users of our websites including www.pay-da.tech, www.pay-da.co.kr, and m.pay-da.co.kr (collectively, the “Websites”). By using these Websites, you acknowledge that you have read and understood this policy.
This document complies with the Personal Information Protection Act (PIPA) of the Republic of Korea. For any inquiries about this Privacy Policy or your personal data, please contact us at: inquiry@pay-da.tech.

2. Who We Are
NS SYSTEM Inc. is a registered legal entity in the Republic of Korea, providing services such as local and international payment platforms, processing systems, and related digital tools. We are committed to ensuring your privacy and data security in all our interactions.

3. Information We Collect
We may collect the following categories of personal and business data:
• Information you provide via our online forms, including your name, email, phone number, business details, and additional voluntary submissions;
• Information submitted during registration or contract execution, such as identification documents, addresses, proof of ownership, and payment account details;
• Communication records, including phone call logs, chat transcripts, and email exchanges;
• Usage data from the client portal or cashier, such as transaction history, IP addresses, device and browser type, and interaction logs;
• Information from external sources such as business partners, credit bureaus, and public registries.

4. Failure to Provide Data
Where data collection is required for compliance with legal or contractual obligations, failure to provide such data may result in our inability to provide you services or continue our relationship.

5. Non-Personal and Device Data
We may also collect non-identifiable data including:
• Browser type, operating system, device information, and IP address;
• Cookie data such as browsing duration, page interactions, and language preferences;
• Public or corporate data related to business registrations or services.

6. Data Retention
We retain personal data only as long as necessary for legal, regulatory, and operational purposes. Typically, data is archived for up to 6 years after the end of our business relationship, unless otherwise required.
Minimal information may be stored beyond this period to honor opt-out requests or regulatory inquiries.

7. How We Use Your Data
Your data is used to:
• Fulfill our contractual services and compliance checks;
• Enable user access to our platform features and services;
• Prevent fraud, money laundering, and illegal activities;
• Send service updates and respond to inquiries;
• Conduct analytics and improve platform functionality;
• Carry out marketing campaigns, with your prior consent.

8. Your Rights Regarding Marketing
You may opt out of receiving marketing communications at any time. If we rely on your consent to process data for marketing, you may withdraw it freely. For direct marketing based on legitimate interest, you may object to further use of your data.

9. Your Other Rights
In accordance with applicable laws, you may:
• Request access to or a copy of your personal data;
• Correct inaccuracies or complete missing data;
• Request deletion or restriction of data where legally valid;
• Withdraw consent where applicable;
• Object to profiling or automated decision-making;
• Request transfer of your personal data to another entity.
We may verify your identity before fulfilling such requests to protect your data.

10. Data Sharing and Transfers
To provide our services, we may share your data with:
• Financial institutions and payment service providers;
• Subcontractors and support service vendors;
• Government or legal bodies where required by law.
We ensure that such third parties adhere to strict confidentiality and security standards.

11. Security Measures
NS SYSTEM implements robust administrative, technical, and physical safeguards to protect your data. Regular security audits, access controls, and encryption technologies are employed to mitigate risks of unauthorized access, loss, or alteration.
We maintain internal response plans for data breaches and will notify you and authorities when legally required.

12. Cookies
We use cookies to enhance user experience and gather site usage statistics. Cookies do not collect identifiable data unless voluntarily submitted. See our separate Cookie Policy on our Website for full details.

13. Changes to This Policy
We may update this policy to reflect legal or operational changes. Updated versions will be posted on our Websites with the revised effective date.

14. Contact Information
If you have any questions, please contact our Data Privacy Officer:
📧 Email: inquiry@pay-da.tech
🏢 Address: 15th Floor, 184, Gasan Digital 2-ro, Geumcheon-gu, Seoul, Republic of Korea

© 2018–2026 NS SYSTEM Inc. All rights reserved.

Cookie Settings

Cookie Settings

1. Overview
This policy explains how NS SYSTEM Inc. (“NS SYSTEM”, “we”, “our”, or “us”) uses cookies and similar technologies on its websites to ensure optimal functionality and improve user experience.
When you visit our websites, cookies may be placed in your browser or device. By continuing to use our sites, you consent to our use of cookies as outlined in this policy.

2. What Are Cookies?
Cookies are small text files automatically downloaded to your computer or mobile device when you access a website. These files help websites recognize your device, remember your preferences, and enhance navigation.
Most modern websites use cookies to provide essential services, analyze usage patterns, and personalize content.
While browsing our site, you are not required to submit personal data; however, if you voluntarily provide information through forms or inquiries, such information may be collected for communication or service purposes.

3. Purpose of Using Cookies
We use cookies to:
• Maintain the technical functionality of our websites;
• Save user preferences and customize your browsing experience;
• Analyze how visitors interact with our pages and features;
• Strengthen security by identifying suspicious or unauthorized activities;
• Support advertising and promotional initiatives when applicable.
You may choose to disable cookies, though doing so may limit certain features or reduce site performance.

4. Types of Cookies Used
Essential Cookies – Required for basic site operations such as submitting forms or accessing secure sections.
Performance and Analytics Cookies – Help us understand visitor interactions, traffic sources, and improve service quality.
Third-Party Cookies – Used by partners or integrated tools (e.g., social networks) to track and analyze web interactions. NS SYSTEM does not control third-party cookies directly.

5. Google Analytics
We use Google Analytics to monitor overall traffic and user activity. These cookies gather statistical data such as page visits, session durations, and device types without identifying individual users.
Google may use this data for aggregated reporting and ad relevance optimization across its platforms.

6. CRM Tracking Cookies
To better serve our clients, we use an internal Customer Relationship Management (CRM) system that utilizes cookies to understand visitor engagement.
This helps us personalize communication, improve content, and enhance customer support while maintaining privacy standards.

7. Cookie Duration
Cookies remain active for different durations depending on type:
• Session cookies are temporary and deleted once you close your browser.
• Persistent cookies stay on your device until manually deleted or expired based on system settings.

8. Managing or Deleting Data
Stored information is retained only as long as required to provide our services or comply with legal obligations.
You can request deletion of your stored data by contacting us directly at inquiry@pay-da.tech.

9. How to Disable Cookies
You may change your browser settings to block or delete cookies at any time.
Please note that disabling cookies might restrict some site functions or negatively impact your browsing experience.
Refer to your browser’s Help section for detailed instructions on managing cookies.

10. IP Address Usage
Your IP address is automatically collected to ensure network security, detect errors, and analyze web traffic patterns.
This information is used for statistical and operational purposes only and does not personally identify you.

11. Additional Information
We hope this policy clarifies how we use cookies and related technologies.
If you have further questions or need more details, please reach out to our support team at inquiry@pay-da.tech.

© 2018–2026 NS SYSTEM Inc. All rights reserved.

Security Policy

Information Security Policy

1. Our Security Promise
NS SYSTEM Inc. is firmly committed to maintaining the confidentiality, integrity, and availability of information under our care. This is achieved by continuously refining our information security practices in line with standards issued by the Financial Supervisory Service (FSS) and the strategic direction of our business.

2. Coverage
Our information security framework applies to the following areas:
• Securing infrastructure used to provide online payment services for merchants.
• Enabling reliable and secure integration with third-party Payment Service Providers.

3. Key Goals
Our core objectives include:
• Building and maintaining trust with clients, partners, and internal teams.
• Preventing data loss or leakage by safeguarding sensitive information.
• Guaranteeing that data remains accurate, consistent, and accessible to authorized users only.
• Regularly updating our security systems to respond to changing threats.
• Ensuring compliance with all relevant laws, regulations, and contractual obligations.

4. Our Methodology
• Resource Commitment: We dedicate appropriate financial, technical, and human resources to support our security infrastructure.
• Risk-Based Approach: Potential security risks are assessed and managed using a structured and ongoing evaluation process.
• Defined Responsibilities: Specific roles are assigned to maintain and improve our security operations.
• Clear Policies: We maintain and distribute up-to-date internal policies and protocols accessible to all relevant staff.
• Performance Monitoring: We consistently evaluate our system performance based on set goals and benchmarks.
• Auditing and Remediation: Scheduled internal reviews help us identify weak points and take timely corrective action.
• Incident Handling: We have processes in place for effectively managing and responding to security breaches.
• Operational Resilience: Business continuity and disaster recovery plans are tested and refined on a regular basis.
• Vendor Oversight: We review and verify the security practices of external vendors and service providers.
• Training and Engagement: All employees receive regular training on security awareness and compliance best practices.

5. Compliance and Review
• This policy applies to all NS SYSTEM Inc. staff, clients, and partners. It is made publicly available via our corporate website and is reviewed annually by the Information Security Committee and Executive Board to ensure it remains relevant and effective.
• Inquiries about this policy can be directed to: inquiry@pay-da.tech, or mailed to: NS SYSTEM Inc., 15th Floor, 184, Gasan Digital 2-ro, Geumcheon-gu, Seoul, Republic of Korea.

© 2018–2026 NS SYSTEM Inc. All rights reserved.

Client Policy

Client Acceptance Policy

1. Purpose
This policy establishes the key principles and procedural steps that Payda follows in assessing, onboarding, and approving clients. It reflects our dedication to conducting business in a responsible, ethical, and secure manner within the global payments landscape.

2. About Payda
Payda is a cutting-edge payment technology provider that enables merchants to manage transactions seamlessly. While we facilitate payment flows through integration, routing, and orchestration, we only process or settle transactions in regions where we hold proper regulatory authorization.

3. Scope
This policy applies to all prospective and active clients of Payda’s solutions, including:
• Payda Clients
• Payda Merchants
• Payda Developers
It governs every department and stakeholder involved in client onboarding and risk evaluation.

4. Eligibility Requirements
Payda works with reputable, licensed businesses operating in approved jurisdictions and sectors such as:
• E-Commerce
• Trading (Securities, FX/CFD, Derivatives)
• SaaS
• Travel & Hospitality
• Retail
Eligible clients must:
• Be a legally registered and verifiable business entity
• Hold valid regulatory licenses or registrations where applicable
• Maintain a transparent corporate structure with clearly identified ultimate beneficial owners
• Use Payda services in compliance with our policies and standards

5. Prohibited Activities & Restricted Sectors
Payda does not support businesses involved in illegal or high-risk activities, including:
• Unlicensed gambling or betting
• Arms or weapons trade
• Narcotics or controlled substances
• Human trafficking or exploitation
• Entities or individuals on UN, EU, OFAC, FATF, or similar sanctions lists
• Pyramid schemes, Ponzi models, deceptive marketing, malware, or cybercrime tools
Clients based in sanctioned or high-risk jurisdictions (including the United States) are also ineligible. Payda reserves the right to decline or terminate onboarding at its sole discretion.

6. Accepted Regulatory Licenses
To assist with eligibility evaluation, the following is a non-exhaustive list of licenses and jurisdictions Payda accepts, subject to compliance approval:
• United Kingdom: Financial Conduct Authority (FCA)
• Cyprus: Cyprus Securities & Exchange Commission (CySEC)
• Germany: Federal Financial Supervisory Authority (BaFin)
• Italy: Commissione Nazionale per le Società e la Borsa (Consob)
• Austria: Financial Market Authority (FMA)
• Australia: Australian Securities & Investments Commission (ASIC)
• South Africa: Financial Sector Conduct Authority (FSCA)
• Isle of Man: Isle of Man Financial Services Authority (IOMFSA)
• Montenegro: Central Bank of Montenegro (CBCG)
• Seychelles: Financial Services Authority (FSA)
• British Virgin Islands: BVI Financial Services Commission (BVFSC)
• Cayman Islands: Cayman Islands Monetary Authority (CIMA)
• Canada: Financial Transactions and Reports Analysis Centre (FINTRAC)
• Vanuatu: Vanuatu Financial Services Commission (VFSC)
• Malaysia: Labuan Financial Services Authority (Labuan FSA)
• China: China Securities Regulatory Commission (CSRC)
• Vietnam: State Securities Commission of Vietnam (SSC)
• South Korea: Financial Services Commission (FSC) / Financial Supervisory Service (FSS)
• Japan: Financial Services Agency (JFSA)
• New Zealand: Financial Markets Authority (FMA)
• Indonesia: Financial Services Authority (OJK)
• Other jurisdictions may be considered upon review
Note: Client acceptance is based on jurisdictional risk, legal analysis, and ongoing compliance monitoring, and may be updated at any time.

7. Policy Enforcement
Payda reserves the right to:
• Decline any onboarding request without explanation
• Request additional documents at any stage
• Suspend or terminate client relationships upon identifying compliance risks
• Revise this policy as regulations or operational needs evolve

8. Contact
For onboarding support or compliance inquiries, please contact:
📧 Email: inquiry@pay-da.tech
📧 International Sales Director: james.bang@pay-da.co.kr
🏢 Address: NS SYSTEM Inc., 15th Floor, 184 Gasan Digital 2-ro, Geumcheon-gu, Seoul, Republic of Korea

© 2018–2026 NS SYSTEM Inc. All rights reserved.