The playground

Try any of 434 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/worldbank/v1/indicator2 credits

time-series for one+ indicators (code or shortcut) across one+ countries/all; date/mrv/mrnev, rank

Working example
Parameters
⌘↵
request preview
curl -X POST https://api.reefapi.com/worldbank/v1/indicator \
  -H "x-api-key: $REEF_KEY" \
  -H "content-type: application/json" \
  -d '{"country":"US","indicator":"NY.GDP.MKTP.CD","date":"2015:2022"}'

Hit Send (or ⌘↵) to run this endpoint live.