The playground
Try any of 919 endpoints — live.
Pick an endpoint, load a working example, tweak the params, and send — no signup to try. Results render the way the data deserves; raw JSON, headers & code are one tab away.
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.