The playground
Try any of 817 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/url-resolver/v1/preview1 credit
Link unfurl: OpenGraph + Twitter-card title/description/image/favicon (Slack/Discord style).
Working example
Parameters
Any http(s) URL — short, affiliate, ad, tracking, or canonical. Only http/https is accepted; private/internal/metadata targets are SSRF-blocked.
Maximum redirects to follow (1–10). (1–10)
request preview
curl -X POST https://api.reefapi.com/url-resolver/v1/preview \
-H "x-api-key: $REEF_KEY" \
-H "content-type: application/json" \
-d '{"url":"https://www.example.com/"}'Hit Send to run this endpoint live.