### Installation Endpoints

Source: https://api.zaptec.com/help/index.html

Manage and retrieve information about installations.

```APIDOC
## GET /api/installation

### Description
Retrieve a list of installations.

### Method
GET

### Endpoint
/api/installation
```

```APIDOC
## GET /api/installation/{id}

### Description
Retrieve details for a specific installation.

### Method
GET

### Endpoint
/api/installation/{id}
```

```APIDOC
## GET /api/installation/{id}/messagingConnectionDetails

### Description
Retrieve messaging connection details for an installation (deprecated).

### Method
GET

### Endpoint
/api/installation/{id}/messagingConnectionDetails
```

```APIDOC
## POST /api/installation/{id}/update

### Description
Update a specific installation.

### Method
POST

### Endpoint
/api/installation/{id}/update
```

```APIDOC
## GET /api/installation/{id}/hierarchy

### Description
Retrieve the hierarchy of a specific installation.

### Method
GET

### Endpoint
/api/installation/{id}/hierarchy
```

--------------------------------

### Charger Firmware Endpoints

Source: https://api.zaptec.com/help/index.html

Retrieve firmware details for chargers within an installation.

```APIDOC
## GET /api/chargerFirmware/installation/{installationId}

### Description
Retrieve firmware details for chargers associated with a specific installation.

### Method
GET

### Endpoint
/api/chargerFirmware/installation/{installationId}
```

--------------------------------

### Session Endpoints

Source: https://api.zaptec.com/help/index.html

Manage and retrieve information about charging sessions.

```APIDOC
## GET /api/session/{id}

### Description
Retrieve details for a specific session.

### Method
GET

### Endpoint
/api/session/{id}
```

```APIDOC
## POST /api/session/{id}/priority

### Description
Set the priority for a specific session.

### Method
POST

### Endpoint
/api/session/{id}/priority
```

--------------------------------

### Constants Endpoints

Source: https://api.zaptec.com/help/index.html

Retrieve static constant values.

```APIDOC
## GET /api/constants

### Description
Retrieve static constants used within the API.

### Method
GET

### Endpoint
/api/constants
```

--------------------------------

### Charger Endpoints

Source: https://api.zaptec.com/help/index.html

Manage and retrieve information about chargers.

```APIDOC
## GET /api/chargers

### Description
Retrieve a list of chargers.

### Method
GET

### Endpoint
/api/chargers
```

```APIDOC
## GET /api/chargers/{id}

### Description
Retrieve details for a specific charger.

### Method
GET

### Endpoint
/api/chargers/{id}
```

```APIDOC
## POST /api/chargers/{id}/update

### Description
Update a specific charger.

### Method
POST

### Endpoint
/api/chargers/{id}/update
```

```APIDOC
## GET /api/chargers/{id}/state

### Description
Retrieve the state of a specific charger.

### Method
GET

### Endpoint
/api/chargers/{id}/state
```

```APIDOC
## POST /api/chargers/{id}/sendCommand/{commandId}

### Description
Send a command to a specific charger.

### Method
POST

### Endpoint
/api/chargers/{id}/sendCommand/{commandId}
```

--------------------------------

### Charge History Endpoints

Source: https://api.zaptec.com/help/index.html

Retrieve charge history data and usage reports.

```APIDOC
## GET /api/chargehistory

### Description
Completed sessions.

### Method
GET

### Endpoint
/api/chargehistory
```

```APIDOC
## GET /api/chargehistory/installationreport

### Description
Usage report (deprecated).

### Method
GET

### Endpoint
/api/chargehistory/installationreport
```

```APIDOC
## POST /api/chargehistory/installationreport

### Description
Usage report.

### Method
POST

### Endpoint
/api/chargehistory/installationreport
```

--------------------------------

### User Group Endpoints

Source: https://api.zaptec.com/help/index.html

Retrieve messaging connection details for user groups.

```APIDOC
## GET /api/userGroups/{id}/messagingConnectionDetails

### Description
Retrieve messaging connection details for a specific user group.

### Method
GET

### Endpoint
/api/userGroups/{id}/messagingConnectionDetails
```

=== COMPLETE CONTENT === This response contains all available snippets from this library. No additional content exists. Do not make further requests.