List DEXes on a blockchain network

curl -s "https://api.dexpaprika.com/networks/solana/dexes" | jq '.dexes[0]'

{
  "chain": "solana",
  "dex_id": "manifest",
  "dex_name": "Manifest",
  "protocol": "manifest",
  "volume_usd_24h": 95109148.8246825,
  "txns_24h": 278929,
  "pools_count": 262
}

import os
import requests

# No key: leave both variables unset. Free key: set DEXPAPRIKA_API_KEY.
# Dev or Pro key: also set DEXPAPRIKA_API=https://api-pro.dexpaprika.com
API = os.environ.get("DEXPAPRIKA_API", "https://api.dexpaprika.com")
KEY = os.environ.get("DEXPAPRIKA_API_KEY")
HEADERS = {"Authorization": KEY} if KEY else {}
NETWORK = "solana"


def get(path, **params):
    r = requests.get(f"{API}{path}", headers=HEADERS, params=params, timeout=30)
    r.raise_for_status()
    return r.json()


dexes = get(f"/networks/{NETWORK}/dexes")["dexes"]
total = sum(d["volume_usd_24h"] for d in dexes)
dexes.sort(key=lambda d: d["volume_usd_24h"], reverse=True)

print(f"{len(dexes)} DEXes on {NETWORK}, ${total:,.0f} traded in 24h")
for d in dexes[:5]:
    print(f"  {d['dex_name']:<18}{d['volume_usd_24h'] / total:>7.1%}  {d['pools_count']:>6,} pools")

leader = dexes[0]
pools = get(f"/networks/{NETWORK}/pools/search", dex_name=leader["dex_id"], limit=3)["results"]
print(f"\nBusiest pools on {leader['dex_name']}:")
for p in pools:
    print(f"  {p['id']}  ${p['volume_usd_24h']:,.0f}")

9 DEXes on solana, $2,547,595,293 traded in 24h
  PumpSwap            60.0%  15,747 pools
  Meteora DAAM V2     12.9%  10,939 pools
  Orca                 8.9%   4,182 pools
  Meteora              4.8%   3,372 pools
  Pump.fun             4.3%  49,618 pools

Busiest pools on PumpSwap:
  6KCmCfW5GSf7nQ7hfk8ds2aTiZXUYLcKAsmH3ZLZW6p3  $85,447,575
  FRvYyNTGzQRQfsbDZntcqQwHJpmHZKtMh7N85uDG1i4H  $84,997,947
  D3vzKTEJntE3wSu4QaPd79e2bnifnHggVDVewu1ukkAJ  $84,636,334