Featured
Core Rail Data Pack
API rules, field maps, and sample payloads for teams
RAIL DATA STANDARD
Rail Systems, One Protocol
One set of specs for messages, checks, and onboarding across rail teams. Use clear API standards, message rules, and setup notes to keep work in sync.
FEATURED STORIES
Rail Notes and Spec Sheets
API rules, field maps, and sample payloads for teams
Dark pick
Link Check Guide
Specs
Station Event Schema
01Guide
Start with IDs
Use stable IDs for trains, stops, and assets
02Guide
Match Field Names
Keep names the same across apps and feeds
03Checks
Test Message Flow
Send one event, then check every step
New
Message Spec Notes
New
Rail ops
Onboarding Kit
Rail ops
TOPICS
Tracks, APIs, and Checks
Map old fields to Rail Protocol names without extra guesswork.
GUIDE
API Mapping
Map old fields to Rail Protocol names without extra guesswork.
TIPS
Compliance Checks
Use a short checklist before each handoff and test run.
GUIDE
Vendor Onboarding
Give partners the steps they need to wire in fast.
TRENDS
Rail Data News
Read updates on specs, formats, and rail system links.
spec pages published
120+
spec pages published
integration guides
42
integration guides
rail data checklists
18
rail data checklists
Community
Customer notes
Verified
“We cut integration time by weeks because the spec was clear from day one.”
M
Marta Velez
Integration Lead, Northline Rail
Verified
“Our vendor team used the checklists to close gaps before test day.”
E
Ethan Cole
Platform Manager, MetroLink Ops
Verified
“The field map gave both teams the same names for the same data.”
P
Priya Nair
Standards Lead, IronVale Transit
SPOTLIGHT
Tools for Rail Teams
Rules for request names, replies, and version tags.
Feature
Rail API Playbook
Rules for request names, replies, and version tags.
02Guide
Message Flow Map
See how event data moves between systems.
03Checklist
Compliance Checklist
A short list for sign-off, records, and tests.
Tools
Connector Library
Ready notes for common rail system links.
05Spec
Station Data Fields
Core names for stops, platforms, and alerts.
06Onboarding
Vendor Setup Notes
Steps for partners who need a clean start.
07Updates
Change Log Feed
Track spec updates in plain language.
08Help
Rail Data FAQ
Short answers for ops, dev, and compliance teams.
Questions
Rail Protocol FAQ
Quick answers before visitors choose a product, service, or next step.
01What does Rail Protocol do?+
We publish rail data standards, API rules, and message specs so systems can send clean data with less rework.
02Who uses these guides?+
Rail operators, vendors, and developers use them to map data, connect tools, and check work before launch.
03Do you help with onboarding?+
Yes. We give setup steps, connector notes, and checks that help teams start faster and cut handoff gaps.
04Can older systems fit in?+
Yes. We write guides for new and old tools so teams can map fields, test links, and keep changes small.
05Do you cover compliance?+
Yes. Our checklists map rules, proof items, and sign-off steps for common rail data and integration tasks.
06How often do specs change?+
We track updates and note changes in plain language so teams can plan fixes, tests, and handoffs without long meetings.
Rail Protocol Brief
Get one email a month with spec updates, connector notes, and rail data tips for operators, vendors, and developers.