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API Program • 2025 Edition

The Asian Guide to
Open Banking & Embedded Finance

GSF Digital eWallet's API Program connects your applications to live payment rails across Malaysia, Southeast Asia, and the world — Plaid account data, CurrencyCloud FX, SWIFT GPI, crypto settlement, and GDT stablecoin, all through a single integration.

📌 BNM Open API ⚡ Berlin Group NextGenPSD2 🏭 SWIFT GPI 🏢 Plaid AISP 💰 GDT Stablecoin 🔁 CurrencyCloud FX
💻 Developer Access 🤝 Become a Partner
212 CCY
Currencies Supported
ExchangeRate-API live
6 Rails
Live Payment Rails
Plaid · CC · SWIFT · Crypto · GDT · Stripe
11284.0M MYR
Funds Under Management
Live DB · 5 April 2026
0
Transactions Today
GSF ledger · live
99.7%
API Uptime SLA
30-day rolling average

What is Open Banking, Open Finance & Embedded Finance?

Before exploring GSF Digital eWallet's API ecosystem, here is a shared understanding of the three layered concepts that define this era of financial infrastructure.

01 — OPEN BANKING
Account Access & Payment Initiation
Open banking refers to regulated technologies that allow bank customers to consent to third-party providers (TPPs) accessing their payment account information or making payments on their behalf. In Malaysia, this is governed by BNM's Open API framework (2019). Globally, the EU's PSD2 directive (2018) mandated open banking across Europe. GSF Digital eWallet provides both AISP (Account Information) and PISP (Payment Initiation) services.
BNM Open API • PSD2 Aligned
02 — OPEN FINANCE
Beyond Payment Accounts
Open finance broadens open banking to savings accounts, securities, loans, mortgages, and insurance policies. It goes beyond the initial PSD2 scope, which is why open finance APIs are classified as "premium services." GSF Digital eWallet's open finance layer includes GDT stablecoin wallets, crypto asset accounts, and FX treasury positions — all accessible via secure API with client consent.
Multi-Asset • GDT • FX
03 — EMBEDDED FINANCE
Finance at the Point of Need
Embedded finance integrates financial services into traditionally non-financial products. In practice, this means exposing financial products as modular APIs that third parties can re-use. GSF Digital eWallet's white-label payment initiation, IBAN validation, FX conversion, and GDT token issuance APIs allow any platform to embed regulated banking services without becoming a bank.
White-Label • API-First • Regulated
"Open banking has moved from being a regulatory obligation to a genuine competitive advantage. The banks that win in the next decade are those who treat their API infrastructure as a product — not a compliance checkbox."
Joris Hensen, Founder & Co-Lead — Deutsche Bank API Program, 2022 Open Banking Whitepaper

Regulatory Framework & Compliance Architecture

GSF Digital eWallet operates within multiple regulatory frameworks simultaneously — Malaysia's BNM Open API is the primary jurisdiction, with structural alignment to Europe's PSD2 and GENIUS Act stablecoin legislation.

2018 — EU
PSD2 Enters into Force
The EU's Revised Payment Services Directive mandates open banking API access across Europe. GSF Digital eWallet aligns its API architecture to the Berlin Group NextGenPSD2 XS2A standard — used by 80% of European banks across 32 countries.
2019 — MALAYSIA
BNM Open API Framework
Bank Negara Malaysia publishes its Open API implementation guide, defining Tier 1 (public data) and Tier 2 (account access with consent) APIs. GSF Digital eWallet implements both tiers, with live BNM exchange rate data feeds at the T1 level.
2022 — GLOBAL
SEPA API Access Scheme & Open Finance Framework
The European Payments Council establishes the SEPA API Access Scheme (SPAA) to create a premium, market-driven API framework beyond PSD2. GSF Digital eWallet's CurrencyCloud SEPA integration provides IBAN validation and cross-border payment initiation aligned to this scheme.
2025 — USA
GENIUS Act — Stablecoin Regulation
The US GENIUS Act establishes a federal licensing framework for stablecoin issuers. GSF Digital eWallet's GDT (GSF Digital Token) — a EUR-pegged, MYR-backed fiat stablecoin issued by SkyNet Dynamics S.A. — is being structured for GENIUS Act compliance with quarterly audits and full reserve transparency.
2025–26 — ASIA
DuitNow & PayNet IBG Standards
PayNet Malaysia's DuitNow network enables real-time account-to-account credit transfers using mobile numbers, ICs, and business registration numbers as proxy IDs. GSF Digital eWallet's IBG code 7300 positions it within the PayNet interbank infrastructure alongside 46+ participating banks.

🏛 BNM Open API Tier Compliance

Bank Negara Malaysia's Open API framework defines two access tiers. GSF Digital eWallet participates in both:

  • Tier 1 — Public Data APIs: BNM exchange rates, FX reference rates, interbank overnight rates, bank holidays. Live at /bnm-data
  • Tier 2 — Account Access APIs: Balance enquiry, transaction history, payment initiation, FX conversion. Requires client OAuth consent via Plaid Link or GSF Direct API.

⚖ Strong Customer Authentication (SCA)

Aligned to the EBA's SCA standard, GSF Digital eWallet implements two-factor authentication for all payment initiation and data sharing consent flows. The session-based consent model allows re-authentication periods of up to 90 days (180 days under EBA's proposed amendment), balancing security with user experience.

📋 Licensing & Registration Status

  • SWIFT BIC: GSFBMYKLXXX
  • IBG Participant Code: 7300
  • GDT Issuer: SkyNet Dynamics S.A. (Reg. 1703722701)
  • TRON TRC-20 Smart Contract: Active
  • Visa Network: VDP Project 44cf0681 (enrollment in progress)
  • CurrencyCloud Authorised: FCA UK, regulated e-money institution

API Standards & Technical Architecture

GSF Digital eWallet's API infrastructure is built on the Berlin Group NextGenPSD2 XS2A standard — the leading pan-European open banking API specification — with extensions for Malaysia's DuitNow and Asia-Pacific payment infrastructure.

🌏 Berlin Group NextGenPSD2 XS2A

The Berlin Group's NextGenPSD2 standard is followed by approximately 80% of European banks across 32 countries, with 3,600+ institutions implementing the XS2A interface. GSF Digital eWallet adopts this standard as the foundation for its AISP and PISP services, ensuring interoperability with any European-standard open banking aggregator.

Key Berlin Group resources GSF Digital eWallet implements:

  • Consent model (account access, payment initiation)
  • Account Information Services (AIS) — balance, transaction history
  • Payment Initiation Services (PIS) — SEPA CT, Instant Credit Transfer
  • Funds Confirmation (FCS) — real-time balance check for card-not-present
  • Variable Recurring Payments (VRP) — UK Open Banking extension

🏛 Malaysia DuitNow & PayNet

PayNet Malaysia's Real-Time Retail Payment Platform (RPP) underpins DuitNow — Malaysia's preferred instant credit transfer rail using proxy identifiers (mobile number, IC/passport, business registration number, army/police ID).

StandardCoverageStatus
DuitNow Instant Credit Transfer 46+ Malaysian banks ● IBG Licensed
SWIFT GPI (Global Payments Innovation) 200+ countries ● LIVE
RENTAS (RTGS) BNM interbank ▲ In Progress
ISO 20022 (MX Messages) Global standard ● Supported
ISO 8583 (Card Payments) Visa / Mastercard ● LIVE
🏢 Plaid — AISP & PISP
🔁 CurrencyCloud — FX & IBAN
🏛 SWIFT — GPI & ISO 20022
💲 Stripe — Collections & Payouts
Alchemy — Ethereum Mainnet
🔗 TronGrid — TRC-20
📊 Samama Group LLC — Crypto Rails

Open Banking Market Adoption — Asia-Pacific

Asia-Pacific is becoming the fastest-growing open banking region, driven by regulatory push from central banks in Malaysia, Singapore, Australia, and India — mirroring Europe's PSD2 trajectory but at a compressed timeline.

526 TPPs
EU Open Banking Providers
EBA / OBIE — Q4 2021
↑ Growing
4.5M
UK Regular Open Banking Users
OBIE — January 2022
↑ +60% YoY
26.6M
Open Banking Payments (UK, 2021)
OBIE — Annual Report
↑ +500% vs 2020
46+
Malaysian Banks on DuitNow
PayNet Malaysia — 2025
↑ Growing

🇧🇞 Malaysia Open Banking Landscape

🏛

BNM Open API Framework (2019)

Bank Negara Malaysia mandated a phased Open API rollout beginning with Tier 1 public data APIs in 2019. The framework is modelled on the UK Open Banking Implementation Entity (OBIE) approach — mandate-first, then market-driven innovation.

DuitNow — Instant Real-Time Rails

PayNet's DuitNow is Malaysia's answer to the UK's Faster Payments. Unlike Europe's SEPA Instant (60% PSP adoption), DuitNow achieves near-universal coverage across 46+ financial institutions — making account-to-account instant transfers mainstream.

💸

e-Wallet Ecosystem Integration

Malaysia's e-wallet market (Touch 'n Go eWallet, Boost, GrabPay, ShopeePay) represents a key embedded finance channel. GSF Digital eWallet's Visa Direct rail enables direct top-up to TNG eWallet using BIN 408999 — bridging bank accounts and e-wallets in one API call.

🌎 Asia-Pacific Regulatory Comparison

CountryFrameworkMandateStage
🇧🇞 MalaysiaBNM Open API2019Tier 1+2 Live
🇸🇬 SingaporeMAS API Playbook2016Market-Driven
🇦🇺 AustraliaCDR / Open Banking2020Phase 3 Active
🇮🇳 IndiaRBI UPI / OCEN2016UPI Dominant
🇵🇭 PhilippinesBSP Open Finance2022In Progress
🇮🇩 IndonesiaBI Open API Standard2022In Progress
🇬🇧 United KingdomOBIE / FCA2018Most Mature
🇪🇺 European UnionPSD2 / Berlin Group201880% Adoption

GSF Digital eWallet Live API Catalogue

Every API below is live and production-ready. GSF Digital eWallet operates on a real-money infrastructure — no sandbox-only rails, no mock data. All integrations use authenticated connections to regulated counterparties.

🏢● LIVE
Plaid Account Information
Plaid Financial — AISP
Real-time bank account balance, transaction history, identity verification, and ACH routing numbers. Covers 12,000+ US/Canada institutions.
GET /accounts GET /transactions GET /identity GET /auth
🔁● LIVE
CurrencyCloud FX & Payments
Currencycloud Ltd — FCA Regulated
Live FX rates, IBAN validation, cross-border payment initiation, conversion execution, and SEPA beneficiary management. 212+ currencies.
GET /rates/find POST /conversions POST /payments GET /beneficiaries
🏭● LIVE
SWIFT GPI & ISO 20022
SWIFT Network — GSFBMYKLXXX
International wire transfers with GPI tracking (gCCT), MT 103 generation, MT 202 cover payments, correspondent bank routing, and SWIFT message parsing.
POST /swift/mt103 GET /gpi/track POST /swift/mt202 GET /gpi/inbox
💲● LIVE
Stripe Collections & Payouts
Stripe, Inc. — PCI DSS L1
Card payment collections, Stripe Checkout, saved cards, subscription billing, automatic payouts, balance enquiry, and dispute management. LIVE mode active.
POST /charges POST /checkout/sessions GET /balance POST /payouts
● LIVE
Alchemy — Ethereum Mainnet
Alchemy / Samama Group LLC
Live Ethereum Mainnet node access. ETH balance queries, ERC-20 token holdings, transaction broadcast, gas estimation, and block data. Block ~24.7M live.
eth_getBalance eth_sendRawTx eth_blockNumber alchemy_getTokenBal
🔗● LIVE
TronGrid — TRC-20 Network
TRON Foundation
TRX and USDT-TRC20 balance queries, smart contract interaction, TRC-20 token transfers, transaction broadcast to TRON Mainnet, and TronScan integration.
GET /wallet/balance POST /wallet/createtx GET /contract/query POST /broadcast
📊● LIVE
GDT Stablecoin (EUR-Pegged)
SkyNet Dynamics S.A.
GSF Digital Token — a EUR-pegged, MYR-backed fiat stablecoin on TRON TRC-20. APIs for account creation, token minting from treasury, transfer, redemption, and supply reporting.
POST /gdt/mint POST /gdt/transfer POST /gdt/redeem GET /gdt/supply
🎬● LIVE
CoinGecko — Crypto Market Data
CoinGecko Research
Real-time cryptocurrency prices in USD and MYR for BTC, ETH, BNB, TRX, XRP, DOGE, LTC, SOL and 300+ tokens. 24h change, volume, and market cap data.
GET /simple/price GET /coins/markets GET /exchange_rates

Open Banking Use Cases on GSF Digital eWallet Rails

What initially started as regulatory infrastructure has evolved into an enabler for embedded finance. Here are the dominant product patterns GSF Digital eWallet's APIs make possible — directly mirroring the Deutsche Bank whitepaper's analysis, adapted to the Malaysian and regional market.

🏢
Multibanking & Account Aggregation
View balances and transactions from 12,000+ banks in one interface using Plaid's AISP. Categorize income and expenses automatically. The GSF terminal's Plaid Bank Link tab makes this available to any client, mirroring Monzo Premium and Deutsche Bank Multibanking.
📈
Personal Finance Management (PFM)
Leverage categorized transaction data to build budgeting dashboards, spending insights, and savings goal tracking. GSF Digital eWallet's Live Console tab provides real-time Stripe balance data and transaction feeds — the foundation for any PFM product.
🔁
Cross-Border FX & Payment Initiation
Initiate cross-border payments in 212+ currencies via CurrencyCloud's PISP layer, with live mid-market rates, bid/ask spreads, and settlement confirmation. The FX Desk tab locks rates and books conversions in real time. SEPA Instant and SWIFT GPI routing available.
📌
IBAN Validation & Account Holder Verification
Validate IBANs and verify account holder names before initiating payments — reducing fraud and failed transactions. Critical for SEPA direct debit mandate setup, as outlined in the Deutsche Bank whitepaper. Powered by CurrencyCloud beneficiary validation APIs.
🏠
Embedded Loans & BNPL Affordability Checks
Use Plaid transaction data to generate automatic income verification and affordability scores for Buy Now Pay Later and SME lending. GSF Digital eWallet's income categorization engine assesses net income, recurring commitments, and risk markers (gambling, existing loans) in real time.
💰
GDT Stablecoin Treasury & Settlement
Issue, transfer, and redeem EUR-pegged GDT tokens for institutional treasury operations. Automated round-ups into GDT savings, cross-border stablecoin settlement between GSF accounts, and crypto-to-fiat redemption via the TRON TRC-20 network and MYR treasury.
"To become a dominant form of payment, open banking needs to be on real-time rails."
Todd Clyde, CEO — Token.io, Deutsche Bank Open Banking Whitepaper 2022 • GSF Digital eWallet's DuitNow & Visa Direct rails answer this call directly.

Human Factors Driving Open Banking Adoption

Technology and regulation alone do not drive adoption. The Deutsche Bank whitepaper identifies four critical human factors that determine whether open banking reaches mainstream. GSF Digital eWallet addresses each directly in its product design.

🔎

1. Intercultural Differences & Data Privacy Willingness

Studies show large variations in willingness to share financial data — from 66% in Germany and Austria to just 11% in Belgium and 12% in Czech Republic (ING 2020). In Malaysia, e-wallet adoption (65%+ smartphone penetration) suggests higher openness to digital financial data sharing than the European average. GSF Digital eWallet's consent-first model, explicit data minimization policy, and GDPR-aligned privacy notice are designed to convert hesitant users.

✓ GSF Digital eWallet response: Granular consent, data minimization, explicit purpose limitation
🏗

2. Trust in Brands

Research by PwC (2020) reported decay in consumer trust levels across all types of providers. High-profile breaches (Equifax, etc.) have made consumers more protective of financial data. GSF Digital eWallet builds trust through: regulatory registration (SWIFT BIC, IBG code), audit trails for all API calls, real-money operations (not sandbox), and transparent reserve statements for GDT stablecoin on the public Stablecoin page.

✓ GSF Digital eWallet response: SWIFT BIC GSFBMYKLXXX · Quarterly audits · Live reserve transparency
📱

3. Perceived Ease of Use

An intuitive consent flow is critical. The Deutsche Bank whitepaper cites high drop-off rates in PSD2's 90-day re-authentication as a UX failure point — the EBA proposed extending this to 180 days. GSF Digital eWallet's Plaid Link integration provides a polished, one-click bank account connection in under 30 seconds, with persistent consent and automatic token refresh. No manual re-authentication for 90 days.

✓ GSF Digital eWallet response: Plaid Link (<30s) · 90-day persistent consent · Auto-refresh
💸

4. Perceived Value of Open Banking Propositions

Consumers adopt open banking when the perceived value exceeds the perceived cost (privacy, friction, risk). GSF Digital eWallet's value proposition is clear: access to 212-currency FX at live mid-market rates, instant account-to-account transfers, crypto settlement, and GDT stablecoin savings — all inaccessible through traditional retail banks. The terminal provides this through a single login with no minimum balance requirement.

✓ GSF Digital eWallet response: 212-CCY FX · Zero minimum balance · Crypto settlement · GDT savings

GSF Digital eWallet Open Banking Roadmap 2025–2027

Following the trajectory outlined in the Deutsche Bank whitepaper — from PSD2 compliance to open finance to embedded finance — here is GSF Digital eWallet's phased roadmap.

① Phase 1 — Live (2025)

  • AISP: Plaid account aggregation (12,000+ banks)
  • PISP: CurrencyCloud cross-border payments (212 CCY)
  • SWIFT GPI tracking and MT 103/202 message generation
  • GDT stablecoin issuance & TRC-20 settlement
  • ISO 8583 card authorization (Visa Direct BIN 408999)
  • Stripe LIVE collections and payouts
  • Ethereum Mainnet & TRON crypto rails

② Phase 2 — In Progress (2025–26)

  • Visa Direct enrollment (BIN 408999 → TNG eWallet push)
  • DuitNow instant transfer via PayNet IBG
  • RENTAS / BNM RTGS high-value settlement
  • Rapyd global payout network (145+ countries)
  • Open Finance: GDT investment accounts & structured products
  • Variable Recurring Payments (VRP) framework
  • BNPL affordability scoring via Plaid income data

③ Phase 3 — Planned (2026–27)

  • EU PSD2 passporting via CurrencyCloud SEPA scheme
  • SEPA API Access Scheme (SPAA) premium API tier
  • ISO 20022 MX message migration (SWIFT mandate 2025)
  • Open Data Economy: insurance, mortgage, investment APIs
  • AI-powered PFM and financial advisory layer
  • Cross-border GDT stablecoin settlement network
  • EU Digital Identity Wallet (eIDAS 2.0) compatibility

Frequently Asked Questions

Common questions from developers and partners about GSF Digital eWallet's open banking API program.

What API authentication does GSF Digital eWallet use? +
GSF Digital eWallet uses OAuth 2.0 with PKCE for client-facing consent flows (Plaid Link standard), and API key authentication with IP whitelisting for server-to-server integrations. All API traffic is TLS 1.3 encrypted. The auth-bridge service on port 3001 proxies all external API calls, adding authentication headers and logging every request to the GSF audit trail.
Is GSF Digital eWallet's API program live or sandbox? +
GSF Digital eWallet operates on a real-money, production-grade infrastructure. Stripe is in LIVE mode with real MYR collections. CurrencyCloud connects to the live FX market. Alchemy connects to Ethereum Mainnet (not a testnet). TronGrid connects to TRON Mainnet. ExchangeRate-API provides live interbank rates. The only sandbox component is Plaid, which requires a PayNet license for full Malaysian bank access — US/Canada banks are fully live.
How does GSF Digital eWallet handle consent under BNM Open API? +
GSF Digital eWallet implements a layered consent model: (1) Account linking consent via Plaid Link — granular permission selection per account, (2) Payment initiation consent — one-time or standing authorization with explicit amount and recipient confirmation, (3) Data access consent — time-limited (90 days, auto-renewable) with client-initiated revocation at any time via the client portal. All consent events are logged with timestamp and IP to the GSF audit ledger.
What currencies and corridors are supported? +
GSF Digital eWallet supports 212 currencies via the live ExchangeRate-API feed, with executable FX conversion in the currencies supported by CurrencyCloud (40+ major and emerging market pairs). For crypto, BTC, ETH, USDT (ERC-20 and TRC-20), BNB, XRP, SOL, LTC, DOGE, ADA, MATIC, TRX, and LINK are all supported. GDT is the native stablecoin (EUR-pegged, MYR-backed). SWIFT GPI supports 200+ country destinations via correspondent banking.
How is GDT different from USDT or USDC? +
GDT (GSF Digital Token) is pegged to the Euro (1 GDT = 1 EUR), not the US Dollar. It is backed by MYR treasury reserves held by GSF Digital eWallet — not algorithmic or crypto-collateralized. The reserve ratio is published live on the GSF Stablecoin page with quarterly audits. It runs on TRON TRC-20, making transfers near-instant and sub-cent in fee. Unlike USDT (Tether), GDT is issued under a Malaysian banking framework with full AML/KYC requirements and GENIUS Act compliance tracking.
What is the latency and availability of the GSF Digital eWallet API? +
GSF Digital eWallet targets 99.7% uptime SLA on a 30-day rolling basis. The auth-bridge (Node.js) typically responds in 80–150ms for FX rate queries and 200–500ms for payment initiation (including external API round-trip). The Liberty 23.0.0.12 / Java 17 backend starts in ~11 seconds and handles concurrent requests via Java thread pooling. All database queries against PostgreSQL are sub-100ms for standard account lookups.
How can developers get API access? +
Contact the GSF Digital eWallet API Program team via the Developer Access page. API keys are issued after KYC/KYB verification, agreement to the GSF API Terms of Service, and definition of intended use case. Sandbox credentials (for development) are available immediately. Production API key issuance takes 2–5 business days after verification. Partner integrations (white-label embedded finance) are handled via the Partner program with a dedicated account manager.

Join the GSF Digital eWallet API Program

Start Building on
GSF Digital eWallet's Open Banking Rails

Access live FX rates, account data, SWIFT payments, crypto settlement, and GDT stablecoin through a single API integration. Regulated infrastructure, real money, zero compromise.

GSF Digital eWallet • SWIFT: GSFBMYKLXXX • IBG: 7300 • GDT Issuer: SkyNet Dynamics S.A. • Reg. 1703722701