OCPP & EV Charging Blog
Technical guides, protocol deep-dives, and best practices for OCPP, OCPI, smart charging, and EV infrastructure testing.
OCPI 2.1.1 vs 2.2.1: Differences, Features, and Upgrade Guide
Compare OCPI 2.1.1 and OCPI 2.2.1 across roaming modules, hub support, ChargingProfiles, HubClientInfo, tariffs, and upgrade decisions for EV charging teams.
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OCPI Endpoints Reference: API Guide for 2.1.1 and 2.2.1
Reference guide to OCPI 2.1.1 and 2.2.1 endpoints across Locations, Sessions, CDRs, Tariffs, Tokens, Commands, and other modules with methods, payloads, and implementation notes.
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How to Implement OCPI Roaming: Step-by-Step Guide for CPOs and eMSPs
A practical guide to implementing OCPI 2.1.1 roaming for your EV charging network. Covers credential exchange, module implementation, hub integration with GIREVE and Hubject, and testing strategies for CPOs and eMSPs.
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OCPI vs OICP vs OCHP: EV Charging Roaming Protocols Compared
A detailed comparison of the three major EV charging roaming protocols: OCPI, OICP, and OCHP. Covers architecture, adoption, features, and which protocol to implement for your charging network.
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What Is OCPI? EV Charging Roaming Protocol Explained
What OCPI is, how EV charging roaming works, and what CPOs and eMSPs need to know about OCPI 2.1.1, OCPI 2.2.1, modules, hubs, and implementation.
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CPO vs eMSP: Understanding EV Charging Roles Explained
CPO (Charge Point Operator) and eMSP (e-Mobility Service Provider) are the two key roles in EV charging. Learn the differences, how they work together via OCPI, and examples of each.
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GIREVE Hub Integration Guide: Connect Your Charging Network to Europe
GIREVE is Europe's largest EV charging roaming hub, connecting 400+ CPOs and eMSPs. Learn how to integrate with GIREVE via OCPI, the certification process, and how it compares to Hubject and e-clearing.net.
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EV Charging Glossary: 50+ Terms Every Developer Should Know
A comprehensive glossary of EV charging terminology covering OCPP, OCPI, CSMS, CPO, eMSP, smart charging, ISO 15118, and more. The definitive reference for EV charging developers.
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How to Build a CSMS: Architecture Guide for EV Charging Platforms
A comprehensive architecture guide for building a CSMS (Charging Station Management System) from scratch. Covers WebSocket server design, OCPP message routing, authorization, transaction management, smart charging, OCPI integration, technology choices, and scaling strategies.
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