payment-rails

High-throughput quantitative risk & liquidity simulation engine for Mastercard-scale payment rails. Features zero-copy SIMD ISO 20022 parsing in Rust, C++20 Monte Carlo volatility modeling, real-time GNN fraud scoring under 50ms, and distributed Go settlement.

Conversational AI agent for US payment rail Q&A — RTP, FedNow, ACH, Fedwire, Wire, built with Claude's tool use API and Streamlit

Graph-driven payment routing engine that models global settlement networks as a dynamic graph to compute optimal transaction paths across traditional and stablecoin rails.

A minimal bridge architecture connecting Royalty OS to external payment rails through trace, allocation, and value circulation layers.

Dated, sourced, machine-readable parameters for US payment rails. Every value carries its source URL and the date it was checked.

Deterministic diagnostic for x402 payments that settle but never appear in Bazaar discovery. Offline, read-only, Apache-2.0.

The Clearing House (RTP) — independent third-party profile of a public API surface, by API Evangelist. The Clearing House (TCH) is a U.S. banking association and payments company owned by many of the largest commercial banks. It operates three core payment systems: CHIPS (large-value wire clearing), the EPN automated clearing house (ACH), and the R

Sovereign, centerless payment-rail substrate — one honest interface over fiat and crypto rails, non-custodial by default, no token, no center. Adopt Hyperswitch for fiat, build the crypto rails.

Open, machine-readable dataset of payment-rail capabilities (limits, cut-offs, settlement, identifiers) across UK/EU/US/CA, with typed accessors. Every fact is sourced and dated.

Nacha — independent third-party profile of a public API surface, by API Evangelist. Nacha (formerly the National Automated Clearing House Association) is the nonprofit, member-governed steward of the ACH Network, the batch-based account-to-account payment rail that moves consumer and business direct deposits, direct payments, bill pay, and B2B tran