Charge in a cheap-rate window

curl https://api.amps.ai/battery/device_abc123 \
  -H "x-api-key: $AMPS_API_KEY"

{
  "success": true,
  "data": {
    "id": "device_abc123",
    "commands": {
      "charge": {
        "parameters": {
          "target": { "unit": "percent", "min": 10, "max": 100 },
          "power": { "unit": "kw", "min": 0, "max": 5 }
        },
        "execution": ["immediate", "scheduled", "windowed"]
      }
    }
  }
}

curl -X POST https://api.amps.ai/battery/device_abc123 \
  -H "x-api-key: $AMPS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "action": {
      "command": "charge",
      "start": "2026-11-12T00:30:00",
      "end": "2026-11-12T04:30:00",
      "parameters": {
        "target": { "value": 90, "unit": "percent" },
        "power": { "value": 3, "unit": "kw" }
      }
    }
  }'

{
  "success": true,
  "data": {
    "id": "action_xyVCcLiYU9",
    "command": "charge",
    "state": "scheduled",
    "start": "2026-11-12T00:30:00.000Z",
    "end": "2026-11-12T04:30:00.000Z",
    "links": { "self": "/actions/action_xyVCcLiYU9" }
  }
}