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Getting Started
Overview
Your First API Call
Authentication & API Keys
Installation
API Reference
Overview
Headless CPMS
Overview
Stations
Overview
List connected stations
List connected stations (compact)
Station liveness check
Reset a station
Disconnect a station
Change station availability
Unlock a connector
Transactions
Overview
List active transactions
Start a charging session
Stop a charging session
Stop by connector
Configuration
Overview
Read station configuration
Write station configuration
Read local auth configuration
Set local auth configuration
Get local auth list version
Push local authorization list
Triggers
Overview
Trigger BootNotification
Trigger MeterValues
Trigger StatusNotification
Trigger StatusNotification on all stations
Generic TriggerMessage
OCPP DataTransfer
Firmware
Overview
Update firmware
Request diagnostics
Webhooks
Overview
List all webhooks
Create a webhook
List available event types
Get webhook details
Update a webhook
Delete a webhook
Test a webhook
Hubject
Overview
Remote start via Hubject
Remote stop via Hubject
Reserve via Hubject
Sync EVSE status with Hubject
CarData
Overview
List supported OEMs
List registered vehicles
Register a vehicle
Get vehicle details
Update vehicle
Delete vehicle
List charging sessions
Session statistics
Sessions for a vehicle
Sync sessions from OEM
System
Overview
Health check
OCPP action metrics
WebSocket connection counts
Database pool status
OCPP Server
Overview
Monitoring
Overview
Database connection pool status.
OCPP log queue metrics.
WebSocket connection counts.
OCPP action call/receive counters.
Station liveness snapshot.
Compact list of connected stations.
Detailed connected stations with connectors and transactions.
All currently active transactions.
Configuration
Overview
Get OCPP configuration keys from a station.
Set an OCPP configuration key on a station.
Set a configuration key with custom value handling.
Read local auth list configuration from a station.
Set local auth list configuration on a station.
Get local auth list version from a station.
Send a local authorization list to a station.
Station Control
Overview
Change availability of a station or connector.
Clear a charging profile on a station.
Send a Hard or Soft reset to a station.
Forcefully disconnect a station's WebSocket.
Transaction Control
Overview
Remote start a charging transaction.
Remote stop a transaction by ID.
Stop the active transaction on a connector (auto-resolves transaction ID).
Unlock a connector on a station.
Triggers
Overview
Trigger BootNotification from a station.
Trigger MeterValues from a station.
Trigger StatusNotification from a station.
Trigger StatusNotification on all connected stations.
Send a generic OCPP TriggerMessage.
DataTransfer
Overview
Send an OCPP DataTransfer to a station.
Firmware / Diagnostics
Overview
Request diagnostic upload from a station.
Trigger firmware update via HTTP GET (legacy).
Trigger firmware update via JSON POST.
Hubject / OICP
Overview
Synchronize EVSE status with Hubject.
Push EVSE data to Hubject.
Remote start a charging session via Hubject EVSE ID.
Reserve a connector via Hubject EVSE ID.
Stop a charging session via Hubject EVSE ID.
PnC
Overview
Execute a Plug-and-Charge OCPP command.
Manage ISO 15118 certificates on a station.
Chargersim
Overview
Chargers
Overview
List all virtual chargers
Get state of a single charger
Start a charging session
Stop the active charging session
Inject a fault for testing
Trigger Soft or Hard reset
Mass Charger
Overview
Aggregate stats for the mass charger pool
Spawn or shut down virtual chargers
Logs
Overview
Historical OCPP message log
Server-Sent Events stream of OCPP messages
MCP & AI Agents
Why Claude-Ready
Connect Claude Desktop
Tool Catalog
Webhooks
Overview & Signing
Event Reference
Guides
For CPO Integrators
Onboard a fleet
For Fleet Developers
For AI / Agent Developers
For OSS Contributors
Self-Hosting
Docker Compose Quickstart
SDKs & Code Samples
Python (wallecpms)
Modules
Contribute
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WebSocket connection counts
GET
/api/v1/system/metrics/websockets
Local development
Authorizations
Section titled “Authorizations ”
ApiKeyAuth
Responses
Section titled “ Responses ”
200
Section titled “200 ”
Connection counts.
Select media type
application/json
object
