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Playground demo key · api.reefapi.com
post/generate/v1/image_from_url2 credits

Render an image template with `vars` fetched from a JSON URL (proxy, SSRF-validated). Data-driven banner generation.

Parameters

https URL returning a JSON object used as card `vars`.

Built-in template.

Inline layout override (JSON).

Dotted path into the JSON to use as vars.

Canvas width px. (200–4000)

Canvas height px. (200–4000)

Output format.

Suggested filename.

request preview
curl -X POST https://api.reefapi.com/generate/v1/image_from_url \
  -H "x-api-key: $REEF_KEY" \
  -H "content-type: application/json" \
  -d '{}'

Hit Send to run this endpoint live.