{"endpoint":"/og","fields":{"cta":"button label (mono template)","eyebrow":"short mono kicker, uppercased (alias: label)","footer":"mono footer text, e.g. a domain","icon":"\"zar\" (default) | https URL | data: URI (png/jpeg/webp/gif/svg)","image":"https URL | data: URI (split template)","subtitle":"string (alias: description)","tags":"comma-separated (mono template)","template":"glow | hero | split | mono (default glow)","theme":"dark | light (default dark)","tint":"auto | aurora | none — aurora fills a custom icon's silhouette with the brand gradient","title":"string, auto-fits (max 200 chars)"},"methods":{"GET":"query params, returns image/png","POST":"JSON body with the same fields (use for data: URI images), returns image/png"},"size":[1200,630],"templates":{"glow":"Centred icon + title with the Zar aurora rising from the bottom. Fields: icon, eyebrow, title, subtitle, footer.","hero":"Large fluid-aurora icon on the left, display title on the right, hairline frame. Fields: icon, eyebrow, title, subtitle, footer.","mono":"Technical sheet: hairline grid, mono header, tag chips and a cloud CTA button. Fields: icon, eyebrow, title, subtitle, footer, tags, cta.","split":"Text column left, full-bleed image right. Fields: icon, eyebrow, title, subtitle, footer, image."}}