FiapPay
Escrow as a Service platform powered by Rust and Axum with interactive WhatsApp integration.
About This Product
FiapPay is a specialized Escrow as a Service (EaaS) platform designed to facilitate secure transactions between buyers and sellers. Built purely as a high-performance backend using Rust and Axum, it acts as a trusted third party that holds funds until transaction terms are met. FiapPay operates entirely without a traditional frontend, leveraging an interactive WhatsApp menu for seamless escrow creation and management. It utilizes robust SQLite databases via SQLx and is fully integrated with Campay for seamless payment aggregation.
- Pure Rust and Axum backend architecture
- Escrow as a Service (EaaS) orchestration
- Interactive WhatsApp bot interface (no frontend required)
- Secure webhook payload validation and HMAC-SHA256 verification
- Seamless Campay payment aggregation
Product Screenshots

FiapPay landing page - escrow-protected buying and selling over WhatsApp
Use Cases
How FiapPay delivers value across scenarios.
Secure Escrow
Acts as a trusted third party holding funds until transaction terms are fulfilled between buyers and sellers.
WhatsApp Bot Interface
Users initiate and manage escrow agreements directly through an interactive, automated WhatsApp menu.
High-Performance Backend
Built entirely in Rust for maximum speed, memory safety, and concurrent transaction processing.
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