rao.is

What It Is

rao.is is a payment engineering consultancy built around an individual expert, focused on integrating payment stacks that can handle real money flows in production. According to the website, the service is provided by Adam, whose background includes being a co-founder and former CTO of Fluid Payments, along with years of software engineering experience in regulated money-handling systems. The focus is primarily on iGaming and fintech use cases.

Core Capabilities

Its core offering is not a proprietary payment channel, but helping clients connect and harden their existing payment ecosystem. This includes payment gateway and PSP integrations, deposit and withdrawal interfaces, payment orchestration and routing, webhooks, failure handling, and reconciliation. Named integration targets include PaymentIQ, Apple Pay, Trustly, BankID, Fluid Cashier, PaymentIQ Cashier, and Stripe Checkout & Elements, while the site also states that most gateways, PSPs, and APIs can be connected. Payment UX is another area of emphasis, with optimization around user hesitation, retries, regional preferences, default amounts, error recovery, fees, and payout-time messaging to improve conversion.

Pricing and Compliance

The website does not disclose pricing, billing models, project timelines, or SLA details, so pricing transparency is limited. On the compliance side, its main capability is PCI-DSS scope design: depending on risk appetite and conversion goals, clients can choose between hosted fields and gateway-hosted checkout. The former preserves the brand experience while reducing PCI scope through tokenization; the latter redirects users to a gateway-hosted page for a lower compliance burden. There is no visible information indicating that rao.is itself holds payment licenses or operates as a regulated institution.

Pros and Cons

Its strengths are clear positioning, focused payment engineering experience, and senior-level delivery directly inside the client’s codebase. It is a good fit for projects involving complex payment stacks, real transaction volume, and a balance of compliance and conversion goals. It can also provide fractional or interim CTO support, covering architecture, hiring, technical due diligence, and vendor trade-offs. The drawbacks are limited public disclosure: there is no pricing, country coverage, contract model, case-study metrics, team size, or support-hour information. As an individual-led service, delivery capacity and long-term operational support also need further confirmation.

Best Fit and Access from China

rao.is is better suited to startups and growth-stage companies already operating iGaming, fintech, or multi-region payment businesses overseas, especially teams that need to integrate new PSPs, acquirers, wallets, cashier flows, or rebuild deposit and withdrawal rails. It is not an all-in-one acquiring product for ordinary merchants. The text does not provide information on access from mainland China, so its accessibility is unknown. Chinese teams considering it should carefully confirm remote collaboration, time zones, contracting entity, payment methods, and alternatives such as official PSP professional services, ecosystem consultants for Stripe/Adyen, or software outsourcing teams with payment experience.