Articles for Developers
Technical tips, best practices, legal rules, and engineering insights on Brazilian holidays for modern software teams.
Brazilian Administrative Codes Explained for Developers: IBGE, UF, and Municipal Holidays
If your software, ERP, fintech, or AI agent operates in Brazil, using city names or static holiday arrays causes settlement errors. See why the 7-digit IBGE code is the ultimate primary key.
MCP Server: Connecting AI Agents to Brazilian National, State, and Municipal Holidays
Model Context Protocol (MCP) is revolutionizing AI development. Discover how Feriados API MCP Server connects LLMs to over 5,571 municipal calendars in Brazil.
Brazilian Banking Calendar (FEBRABAN): Complete Guide to Settlement and Business Days
Understanding the FEBRABAN banking calendar and dynamically calculating Brazilian business days is vital to prevent settlement errors and penalty interest in global fintech apps.
Brazilian Banking Holidays: Complete Guide for Developers and Financial Apps
Understand how banking holidays work in Brazil, the legal framework (CMN Resolution 4,880/2020), official FEBRABAN calendar, and how to automate business day queries via API.
How to Build an AI Travel Agent that Understands Brazilian Local Holidays via MCP
An AI Travel Agent is only as good as its context. Discover how to use MCP to dynamically inject Brazilian municipal holiday rules into your LLM to avoid recommending tours on holidays.
Why Hardcoding Brazilian Holidays Will Break Your SaaS (The 5,571 Municipalities Problem)
If you are building software for the Brazilian market, hardcoding holidays or maintaining static database tables is a dangerous technical debt. Here is why enterprise teams use a specialized API.