render-pdf.json

{
  "type": "object",
  "required": [
    "file",
    "resolution"
  ],
  "properties": {
    "file": {
      "type": "string",
      "description": "Base64 representation of this PDF file (or a Buffer object for the JS function)"
    },
    "resolution": {
      "type": "number",
      "minimum": 0,
      "description": "Resolution of the output PNG in PPI (pixels per inch), defaults to 300"
    }
  }
}