Spark Line

API snippet

POST this to /api/v1/render to render this template programmatically.

POST /api/v1/render
Content-Type: application/json
Authorization: Bearer YOUR_API_KEY

{
  "type": "line",
  "width": 560,
  "height": 260,
  "format": "png",
  "data": {
    "labels": [
      "Mon",
      "Tue",
      "Wed",
      "Thu",
      "Fri",
      "Sat",
      "Sun"
    ],
    "datasets": [
      {
        "label": "Active Users",
        "data": [
          1840,
          2210,
          2580,
          2340,
          2890,
          1920,
          1640
        ],
        "borderColor": "#3b82f6",
        "backgroundColor": "rgba(59, 130, 246, 0.08)",
        "fill": true,
        "tension": 0.4,
        "borderWidth": 2,
        "pointRadius": 3,
        "pointBackgroundColor": "#3b82f6"
      }
    ]
  },
  "options": {
    "color": "#475569",
    "plugins": {
      "legend": {
        "display": false
      },
      "title": {
        "display": true,
        "text": "Daily Active Users",
        "color": "#0f172a",
        "font": {
          "size": 12,
          "weight": "bold"
        }
      }
    },
    "scales": {
      "x": {
        "grid": {
          "display": false
        },
        "border": {
          "display": false
        },
        "ticks": {
          "color": "#94a3b8",
          "font": {
            "size": 10
          }
        }
      },
      "y": {
        "grid": {
          "color": "rgba(30, 41, 59, 0.08)"
        },
        "border": {
          "display": false
        },
        "ticks": {
          "color": "#94a3b8",
          "font": {
            "size": 10
          }
        }
      }
    }
  },
  "theme": {
    "palette": [
      "#3b82f6",
      "#6366f1",
      "#8b5cf6",
      "#06b6d4",
      "#10b981",
      "#f59e0b"
    ],
    "backgroundColor": "#ffffff",
    "fontFamily": "Inter",
    "fontSize": 11,
    "gridColor": "rgba(30, 41, 59, 0.08)",
    "mode": "light"
  }
}