Documentation Index
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B-Accesible
“La banca que te acompaña. Tecnología que te entiende.” “Banking that accompanies you. Technology that understands you.”B-Accesible is a proof-of-concept (PoC) for inclusive digital banking designed for everyone — especially people with low digital literacy and visual, auditory, or cognitive disabilities. It integrates responsible artificial intelligence, easy-read language, natural voice in Mexican Spanish, and adaptive assistance modes to create a safe, comprehensible, and human banking experience.
Why B-Accesible?
In Mexico, over 50% of the adult population lacks access to formal financial services, and nearly 40% has low digital or functional literacy. B-Accesible addresses this gap by making digital banking:- Accessible — WCAG 2.1 AA compliant, with screen reader support, large text, high contrast, and voice navigation
- Adaptive — AI automatically detects user needs and adjusts the interface accordingly
- Safe — Real-time fraud and risk detection with transparent, explainable alerts
- Inclusive — Designed for older adults, people with disabilities, and people with limited tech experience
Core capabilities
Adaptive accessibility
AI-powered accessibility profiling automatically configures the interface — screen reader mode, large text, high contrast, or voice feedback — based on user needs.
AI nudging engine
Detects when users struggle on a screen and offers contextual, non-intrusive guidance — respecting user autonomy at every step.
Fraud risk detection
Scores every transaction in real time using explainable risk factors like unusual amounts, new beneficiaries, and location changes.
SPEI transfers & ledger
Full SPEI-based money transfers, account management, beneficiary management, and transaction history.
Open Finance
Connect and sync external bank accounts through the Open Finance integration layer.
Microservices architecture
Built on .NET microservices with an Ocelot API Gateway, JWT authentication, and a FastAPI AI service.
Technology stack
| Layer | Technology |
|---|---|
| Frontend | React 19, Vite, TailwindCSS, Framer Motion |
| API Gateway | Ocelot (.NET) |
| Auth & Profile | ASP.NET Core Web API |
| Ledger | ASP.NET Core Web API |
| Open Finance | ASP.NET Core Web API |
| Analytics | ASP.NET Core Web API |
| AI Service | Python, FastAPI, scikit-learn |
| Database | SQL Server 2022 |
| Container | Docker Compose |
Get started
Quickstart
Clone the repo, configure environment variables, and run the full stack with Docker Compose in minutes.
Architecture
Understand how the microservices connect, the API Gateway routes, and how the AI service integrates.
API Reference
Explore all REST endpoints for authentication, ledger, AI, and open finance.
Ethics & AI
Read the ethical principles, privacy design, and responsible AI methodology behind B-Accesible.