Open Source Metering and Usage Based Billing API ⭐️ Consumption tracking, Subscription management, Pricing iterations, Payment orchestration & Revenue analytics

Introduce blockchain related technologies, from theory to practice with bitcoin, ethereum and hyperledger.

Metering and Billing for AI, API and DevOps. Collect and aggregate millions of usage events in real-time and enable usage-based billing.

The Go FIX Protocol Library 🚀

ACH implements a reader, writer, and validator for Automated Clearing House (ACH) files. The HTTP server is available in a Docker image and the Go package is available.

开源的golang量化工具集合

Blnk is an open-source ledger & financial core for shipping fintech products fast.

Go library containing a collection of financial functions for time value of money (annuities), cash flow, interest rate conversions, bonds and depreciation calculations.

[ARCHIVE] Crypto payment gateway. Accept the most popular crypto globally with a complete solution.

Numscript is a Domain-Specific Language (DSL) designed to help you model complex financial transactions, replacing complex and error-prone custom code with easy-to-read, declarative scripts.

FedWire funds service file parser and writer. The HTTP server is available in a Docker image and the Go package is available.

Go implementation of Centrifuge POD (Private Off-chain Data) node

Payment gateway enabling automated ACH operations in a distributed and fault tolerant way.

accounts - General Ledger and financial account service with an HTTP API

Simple Golang FIX API library

Golang client for personal and corporate Monobank API.

A package that implements the luhn algorithm for validation, calculation and generation

Life-critical data exchange, integration, and interoperability for Healthcare, Pharmaceuticals, Biotechnology, and Financial Services

Round-up your Starling Bank transactions and transfer the proceeds to a savings goal

an iso8583 library written in golang