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post/generate/v1/og_image2 credits

Render a social/OG card (1200×630 default) from a built-in template_name + vars, or an inline layout spec. Pillow compositor: auto text-wrap + font-fit for long titles, gradients, badges (Bannerbear/Placid image-gen parity).

Working example

Parameters

template_nameoptional

Built-in card layout. See template_list for each layout's vars.

varsoptional

Card content (JSON): title/subtitle/badge/quote/author/site/name/tagline/cta + colors bg/bg2/fg/accent (hex).

layoutoptional

Inline layout override (JSON) — {size:[w,h], ...} for a fully custom card without a built-in template.

widthoptional

Canvas width px. (200–4000)

heightoptional

Canvas height px. (200–4000)

formatoptional

Output image format.

filenameoptional

Suggested filename.

request preview

curl -X POST https://api.reefapi.com/generate/v1/og_image \
  -H "x-api-key: $REEF_KEY" \
  -H "content-type: application/json" \
  -d '{"template_name":"og_basic","vars":"{\"title\":\"Launch day\",\"subtitle\":\"v1.0 is live\"}"}'

Hit Send to run this endpoint live.