Do not make requests more often then every 60 seconds (per endpoint).
This endpoint contains general information about the pool. Hashrates in H/s.
{"hashrates":{"15m":34386,"1h":32195,"24h":34988},"workers":16,"effort":{"current":81.980000000000004,"average":95.789000000000001},"minpay":0.0001,"method":"PPLNS","height":2825323,"fees":0}
This endpoint contains information about P2Pool .