{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "https://raw.githubusercontent.com/api-evangelist/ironfang/main/json-schema/ironfang-pdf-request-schema.json", "title": "PdfRequest", "x-generated": "2026-09-28", "x-method": "derived", "x-generator": "derive-json-schema.py", "x-source": "openapi/ironfang-render-api-openapi.yml#/components/schemas/PdfRequest", "allOf": [ { "$ref": "#/$defs/RenderCommon" }, { "type": "object", "properties": { "url": { "type": "string", "format": "uri", "description": "Page to print. Mutually exclusive with `html`." }, "html": { "type": "string", "description": "Markup to print. Mutually exclusive with `url`." }, "landscape": { "type": "boolean", "default": false }, "paper_format": { "type": "string", "enum": [ "a3", "a4", "a5", "letter", "legal", "tabloid" ], "description": "Named page size. Omit for Chromium's default, which is Letter.\nSizes are portrait; `landscape` rotates them.\n" }, "margin": { "$ref": "#/$defs/Margin" }, "print_background": { "type": "boolean", "default": false, "description": "Include background colours and images. Off by default, matching\na browser's print dialog.\n" }, "header_html": { "type": "string", "description": "Chromium print header template." }, "footer_html": { "type": "string", "description": "Chromium print footer template." }, "scale": { "type": "number", "description": "Print scale. Omit or `0` for 1.0." } } } ], "$defs": { "Cookie": { "type": "object", "required": [ "name", "domain" ], "properties": { "name": { "type": "string" }, "value": { "type": "string" }, "domain": { "type": "string", "description": "Required. Chromium silently drops a domainless cookie set before\nnavigation, so the render would quietly come back logged out.\n" }, "path": { "type": "string", "default": "/" } } }, "Margin": { "type": "object", "description": "Page margins in inches. Omitted sides keep Chromium's default rather\nthan becoming zero - a PDF printed hard to the paper edge is rarely\nwhat leaving a field out was meant to mean.\n", "properties": { "top": { "type": "number" }, "right": { "type": "number" }, "bottom": { "type": "number" }, "left": { "type": "number" } } }, "RenderCommon": { "type": "object", "properties": { "no_cache": { "type": "boolean", "default": false, "description": "Force a fresh render instead of serving a cached one. Always\nbillable. Excluded from the cache key, so repeated fresh requests\ndo not collide.\n" }, "block_ads": { "type": "boolean", "default": false, "description": "Drop requests to known ad and tracker networks before they load.\nStopped as network requests rather than hidden afterwards, so the\npage never spends time fetching them.\n" }, "block_cookie_banners": { "type": "boolean", "default": false, "description": "Hide common consent banners, and undo the scroll lock they set -\nwithout which a full-page capture is one viewport tall.\n\nHidden, not accepted. Clicking \"accept\" would be a decision made\non the site owner's behalf and recorded as theirs.\n" }, "hide_selectors": { "type": "array", "items": { "type": "string" }, "description": "CSS selectors to hide before capturing. Applied after load, so\nelements injected by script are covered.\n" }, "headers": { "type": "object", "additionalProperties": { "type": "string" }, "description": "Extra HTTP headers sent with every request for the page." }, "cookies": { "type": "array", "items": { "$ref": "#/$defs/Cookie" }, "description": "Cookies to set before navigating. Set beforehand because a session\ncookie that arrives after load has missed the request it was meant\nto authenticate.\n" }, "authorization": { "type": "string", "description": "Sets the `Authorization` header - the common case, spelled once.\nAn explicit `Authorization` in `headers` wins over this.\n" }, "user_agent": { "type": "string", "description": "Overrides the user agent, including any set by `device`.\n" }, "wait_until": { "type": "string", "enum": [ "load", "domcontentloaded", "networkidle" ], "default": "load", "description": "When the page counts as ready. `networkidle` waits for traffic to\nstop and is bounded by the render timeout, because a page with\npolling never truly idles.\n" }, "wait_for_selector": { "type": "string", "description": "Wait for this element before capturing. Fails the render if it\nnever appears, rather than returning a half-drawn page.\n" }, "timeout_ms": { "type": "integer", "description": "Per-render timeout. Clamped to the service maximum - it can lower\nthe ceiling but not raise it.\n" }, "device_scale_factor": { "type": "number", "minimum": 1, "maximum": 3, "description": "Pixel density. 2 is retina: the same CSS size at twice the pixels.\n" } } } } }