I have been leading COREDO since 2016 and see every day how Open Banking is changing the rules of the game for banks, fintechs and customers. Open banking APIs have moved from an idea to the infrastructure on which payment services, account aggregators, BaaS platforms and embedded finance are built. By 2026 the sector will enter a new phase, with the transition from PSD2 to PSD3, a review of payment services licensing, strengthened AML/CFT and unified API security standards. In this article I will share COREDO’s practice: how to prepare architecture, licenses and processes to not only comply with the changes but also build a sustainable business model.
The COREDO team has implemented dozens of projects to register legal entities in the EU, the UK, Singapore and Dubai, obtained licenses for PISP and AIS, helped launch e-money and payment institutions, and set up AML, SCA and GDPR. Our experience at COREDO has shown: success is formed at the intersection of licensing, technology and operational control. Below: a practical roadmap I use myself when evaluating projects.
How to prepare for Open Banking 2026

Open Banking regulation is accelerating. In the EU, the PSD3 draft and the accompanying payment regulation (PSR) aim for unified rules for access to accounts (XS2A), stricter requirements for customer authentication (SCA) and a clearer liability model for Third-Party Providers. At the same time, the transition to a single Open Finance license is unfolding – from payment accounts to investment products, insurance and pensions, which opens new streams of data and services.
Licensing of Open Banking is becoming more detailed. Regulators are clarifying the criteria for PISP and AIS licenses for 2026, introducing additional capital adequacy requirements for e-money providers and capitalization standards for PSPs in 2026. Teams are preparing for mandatory FAPI and OAuth standards in 2026, unified requirements for API governance and cross-jurisdictional audit.
Changes affect the Open Banking business model following the tightening of licenses. Profitability is now built on precise calculation of unit economics, sound pricing policy for APIs, SLAs and a scalable architecture. A solution developed at COREDO for one European fintech increased profitability by rebuilding pricing (subscription + per-call), optimizing rate limiting and introducing revenue share for partners.
From PSD2 to PSD3: Open Banking changes

The transition from PSD2 to PSD3 in 2026 removes previous grey areas. Regulators solidify the status of TPPs, introduce clearer supervision and audit procedures for TPPs in 2026, and make consent management mechanisms with explicit consent receipts mandatory. Banks will receive clear obligations on account access, and refusals to connect for technical reasons will require documented justifications and KPIs on API availability.
What will change in PSD3 rules for Open Banking in practice? Strengthening SCA and API security, standardization of requirements for API versions, for logging and forensic readiness, as well as new regulations on customer data management in Open Banking. The regulator will tighten control over the allocation of liability between the bank and the TPP so that customers are not left hostage to complex contracts.
At the same time, a transition from PSD2 to a unified Open Finance license is taking shape. I expect a phased rollout: first payment and information services, then expansion to investments and insurance. This means a new level of
Due Diligence for providers, a revision of DPIA and a re-evaluation of data disclosure risks.
Licensing PISP, AIS, e-money

At COREDO we often start with a licensing map: service model, jurisdiction, target markets, revenue sources and risks.
banking license vs e-money license are fundamentally different in capital requirements, supervision and functionality. For many embedded finance models, e-money and/or registration of a payment institution in the EU in 2026 provide the optimal balance between speed to market and coverage.
How
to obtain a license PISP in the EU after 2025? I recommend starting 6–9 months in advance: a legal entity in a suitable EU jurisdiction, a business plan with unit economics, an SCA policy, a description of API security, contractual framework with banks and processors, an AML/CTF framework, as well as operational resilience and BCM. COREDO’s practice confirms: a strong technology risk assessment and DPIA reduce regulator questions and speed up the review.
Regulators are introducing tiered licensing models and modular licensing. Limited activity / lite licenses allow testing unit economics in one market and then expanding. Sandbox licensing for Open Banking is a working tool in Singapore (MAS APIX), in certain EU countries and in the Middle East. It is important to consider regulatory sandboxes and exit criteria: clear KPIs for risks, reporting and a scaling plan.
Passporting and the ban on passporting after Brexit have changed go-to-market strategies. In the EU passporting for payment licenses retains value, while in the United Kingdom a separate FCA license is required. Equivalence regimes and mutual recognition of licenses between the EU and the CIS are applied only to a limited extent, so international Open Banking licensing almost always requires a local strategy and the structuring of cross-border data flows.
Requirements for Open Banking APIs

Requirements for Open Banking APIs in 2026 are consolidating around FAPI (Financial-grade API), OAuth 2.0 and OpenID Connect, as well as mTLS for mutual authentication. The mandatory nature of FAPI and OAuth standards in 2026 means rebuilding security profiles and reevaluating client SDKs. The COREDO team implemented similar profiles for an AIS provider: we implemented token binding, rotatable keys and strict scope management, which increased frictionless authorization rates and reduced incidents.
Interoperability will become a licensing requirement. Berlin Group and NextGenPSD2 define the API profile in the EU, and ISO 20022 affects payment integrations and message semantics. I recommend establishing API governance and versioning with explicit deprecation rules, and also introducing API SLAs, rate limiting and throttling to provide predictability for partners.
Security, not just encryption. Tokenization of payment data, encryption at rest and in transit, centralized secret management, mandatory logging, audit trails and forensic readiness — all of these are checked by regulators as part of prudential supervision. API security testing and pentest requirements are being embedded in licensing conditions; COREDO helps clients prepare for tests, implement bug bounties and formalize a Secure SDLC. For mature players, expectations of SOC 2 and ISO 27001 increase the chances of partnerships with banks.
Data privacy and GDPR

GDPR compliance in Open Banking is foundational. Regulators require a Data Protection Impact Assessment (DPIA), data minimization mechanisms and privacy by design, clear procedures for data portability and interbank data. Consent management and consent receipts must be readable, and consent revocation should be quick, with clear legal consequences for stopping processing and deletion.
regulatory requirements for managing client data in Open Banking are tightening. I recommend appointing a data steward, documenting a retention and deletion policy, implementing DLP and data classification. Cross-border data flows and localization require data mapping and legal bases for cross-border transfers, especially when operating in Asia and the Middle East.
The role of digital identification eIDAS in Open Banking licensing is growing, and eIDAS 2 and
digital identification of customers speed up onboarding and reduce fraud. W3C Verifiable Credentials and digital wallets provide a way to verify attributes without unnecessary data exchange. A solution developed at COREDO for a client in the EU integrated eID and VC into the KYC process, which reduced CAC and sped up account activation.
AML/CFT and risk management for TPP 2026
AML/CFT requirements for TPPs include a risk-based methodology, customer segmentation, risk ratings and monitoring scenarios. KYC/KYB automation and utilities for verifying beneficial ownership form the foundation for combating money laundering and sanctions risks. At COREDO we built multi-level scenarios for PISPs, including behavioral patterns, velocity rules and geo-risk.
Operational resilience and BCM, another focus. Regulators expect resilience plans, recovery testing, incident response and mandatory notifications to the regulator. Third-party risk management and vendor oversight are enshrined in policy; a vendor due diligence checklist helps select KYC providers, cloud platforms and processors in line with supervisory requirements.
Supervision and audit procedures for TPPs in 2026 cover regular reporting, independent
AML audit and IT controls, as well as change control for APIs. The increase in AML risks with open banking in 2026 requires reliance on consortium fraud signals, sharing indicators of compromise and standardized formats for SAR/STR reports. COREDO’s practice confirms: early integration with regulatory portals reduces the burden on the compliance team.
Contracts and liability insurance
The TPP liability model must be reflected in agreements with banks and merchants. The allocation of liability between the bank and the TPP should take into account SCA, processing, API SLAs and error handling. Indemnity clauses and liability insurance (professional liability, cyber) cover tail risks and partners’ requirements for coverage limits.
Contract templates for API partnerships include sections on API SLAs, rate limits, maintenance windows, versioning, audits and security requirements. The legal consequences of a data breach via the Open Banking API are becoming stricter: in addition to GDPR fines partners build in contractual penalties and mechanisms for recourse claims. At COREDO we help establish the balance: achievable obligations and verifiable metrics.
Monetization and scaling
Market entry strategy for fintech with Open Banking combines licensing, pricing and partnerships with banks. Go-to-market for BaaS and embedded finance requires a clear role: license provider, technology orchestrator, or both at once. B2B2C and B2C API monetization differ in CAC, LTV and payback period; in the first case the focus is on corporate contracts and integrations, in the second on product and marketing.
Pricing models for APIs (per-call, subscription, revenue share) affect the unit economics of payment products. I recommend calculating ROI metrics: CAC, LTV, margin per transaction, fixed compliance costs and SLA expenses. Methods for calculating ROI of Open Banking projects with licensing costs should account for annual audits, pentest, insurance, regulator fees, as well as the budget for SOC 2/ISO 27001.
Scalability requires cloud-native and multi-region deployment, microservice architecture, an API gateway and an event-driven approach. How to scale BaaS amid new licensing requirements? Split stacks by jurisdiction, standardize security, centralize monitoring and logs, and simulate stress loads. The COREDO team implemented a similar architecture in two regions — the EU and Asia — with unified controls and localized data flows.
International markets and sandboxes
MAS APIX and Asian sandboxes allow testing products with banks and TPPs, practicing SCA and KYC in a controlled environment. Open Banking Nigeria is moving toward its own standards and local regulations, where data localization and exchange with the central bank are important. The Account Aggregator (India model) demonstrates how a consent architecture and standardized exchange create a scalable ecosystem.
Regulatory sandboxes and exit criteria (supervisory sandbox exit criteria) require clear KPIs, management reporting, and a plan for compliance with a full license. Which Asian markets are adapting new Open Banking licenses faster?
Singapore and Hong Kong are moving rapidly; the UAE is accelerating requirements for BaaS and digital identity; some Southeast Asian markets are taking a phased approach, starting with payments pilots.
International licensing of Open Banking is inevitably linked to cross-border data flows. At COREDO we design localization matrices, sign standard contractual clauses and structure legal entities in the EU, the UK, Singapore and Dubai for lawful data exchange and processing.
COREDO Case Studies
Case 1: license for PISP and AIS in the EU. Client: a fintech focused on multibanking and real-time payments. The COREDO team handled payment institution registration, assembled the SCA and API security package, implemented FAPI, OAuth 2.0 and mTLS, configured a Berlin Group profile and ISO 20022 payments. In agreements with banks we secured allocation of liability, agreed API SLA and versioning. Result: license and connection to 30+ banks within 9 months.
Case 2: e-money + BaaS in the UK and EU after Brexit. The client required two licenses and separation of data flows. The solution developed at COREDO separated legal entities, standardized SOC 2/ISO 27001, implemented DPIA and privacy by design, and set up vendor oversight for KYC providers. Result – rapid rollout of embedded finance B2B2C products with a transparent revenue share model.
Case 3: Singapore and digital identification. For a local AIS/TPP we integrated eKYC, eID and W3C Verifiable Credentials, connected MAS APIX sandbox and completed sandbox licensing for Open Banking. After meeting KPIs the client moved to a full license, retaining all policies for BCM, incident response and regulatory reporting.
Case 4: M&A and due diligence checklist for Open Banking assets. An investor was considering the purchase of a provider with an AIS license. COREDO’s practice included verification of the license, capital requirements, API security posture, logs and audit trails, GDPR/DPIA, AML/CFT scenarios, insurance coverage, contracts with banks and allocation of liability. The buyer received a risk map and a 180-day integration plan.
Cost, timelines and compliance plan 2026
Question: how much does compliance with the new licensing rules cost? The estimate of the cost of complying with the new Open Banking licenses consists of the regulator’s initial fees, legal preparation, technology (FAPI, OAuth, mTLS, tokenization, logging), audits (IT/AML), pentest, insurance, SOC 2/ISO 27001 and staff expenses for compliance. In our observations, for PISP/AIS in the EU the first-year budget is often comparable to 12–18 months of burn-rate on compliance and security.
Question: what are the regulators’ timelines for implementing PSD3/analogs? In 2026 a transition period is expected, when old licenses remain valid but require upgrades for SCA, APIs and data. The transition periods to the new Open Banking licenses span several quarters; combined license-and-technical projects proceed faster.
Compliance roadmap 2026 and project plan should include: licensing (PISP/AIS/e-money/payment institution), technical API foundation, GDPR/DPIA and eIDAS, AML/CFT and scenarios, BCM and operational resilience, insurance, regulatory reporting and reporting format, as well as readiness for prudential supervision. The COREDO team recommends quarterly checkpoints so the regulator can see predictable progress.
Frequently Asked Questions from Clients
Question: how is liability allocated in fraud through a TPP? Liability is allocated according to contracts and regulator rules: if the TPP correctly applied SCA and complied with the SLA, the bank covers part of the losses; if the TPP violated SCA or processed the transaction without consent, liability shifts to the TPP. I insist on clear indemnity clauses and an investigation procedure.
Question: is it worth changing the jurisdiction of registration because of the new rules? Often there is no need to migrate if the market is key. It is far more productive to fine-tune licenses, strengthen API security, rebuild the DPIA and localize data for cross-border flows. In some cases, relocation for passporting in the EU or access to a sandbox in Asia can speed things up.
Question: can third-party KYC services be used to comply with the new licenses? Yes, subject to vendor due diligence, technical and legal SLAs, AML/CFT compliance checks and data protection. At COREDO we create a vendor due diligence checklist that includes sanctions screening, SLA stress tests and failover plans.
Question: what will change in PSD3 for Open Banking? SCA will be strengthened, API requirements will be standardized, liability will become clearer, and consent management will become central. The regulator will expand oversight of TPPs, and banks will receive clear obligations regarding access to accounts, which will simplify onboarding.
Question: how will the new licensing rules affect banks and fintechs? Banks will update APIs and security, strengthen vendor controls and standardize contracts. Fintechs will invest in security, AML and architecture, but will benefit from greater predictability and higher market trust.
XS2A and API Security Checklist 2026
XS2A (account access) in 2026 means: FAPI profile, OAuth 2.0, OpenID Connect, mTLS; SCA and API security; Berlin Group/NextGenPSD2 and ISO 20022; API governance and versioning; API SLA, rate limiting and throttling; tokenization, encryption at rest/in transit; logging, audit trails and forensic readiness; API security testing, pentest; SOC 2 and ISO 27001. At COREDO we turn this list into an actionable project plan with assigned owners and timelines.
BaaS and embedded finance: risks and growth
Banking-as-a-Service provides fast access to the market but carries operational risks. BaaS licensing and compliance require transparent allocation of responsibilities, supplier controls, regular audit procedures and stress-testing of processes. How to scale BaaS under new licensing requirements? Split responsibility at the contract level, embed security into the architecture and maintain unified logging and reporting standards.
Data monetization and privacy coexist if you use privacy by design, consents and data minimization. Pricing models for APIs – from per-call to subscription and revenue share – must take into account throttling, caching layers and ISO 20022 conversion, otherwise unit economics will be “eaten” by performance costs.
Bank and TPP agreements: changes to the rules
Bank and TPP agreements in 2026 are best structured using modular templates: licenses and compliance; API and security; SLA and versioning; liability and indemnity; data and GDPR; audit and supervision. Fix allocation of liability mathematically: coverage percentages, limits, and investigation procedures. Add liability insurance (cyber, professional liability), as well as clauses on mandatory notifications and recovery timeframes.
COREDO implements contract packages with appendices for API SLAs and security profiles to reduce negotiation cycles. This approach speeds up integrations and increases predictability for all parties.
Summary for executives and directors
Open Banking 2026 is about maturity: licensing, API security, GDPR, AML/CFT and operational resilience. The business model wins when licenses and technology work together: then ROI becomes predictable and growth manageable. The COREDO team helps guide the journey from registering a payment institution to international scaling, linking regulators’ requirements with real business metrics.
If you are planning a fintech license in the EU for 2026, preparing for PISP and AIS licenses in 2026, or combining BaaS and e-money, start with a requirements map: PSD3/PSR, GDPR and DPIA, FAPI/OAuth/mTLS, AML/CFT, BCM, reporting, insurance and contracts. Next, structure jurisdictions, budget for compliance, choose API standards and prepare the team for supervision.
I believe in Open Banking that creates transparency, competition and new services. And I know from COREDO’s experience: when licensing strategy, architecture and compliance align, the market responds with trust, and the product with growth.