API reference

List sports

Sports and leagues currently listed, with event counts.

GET/odds/v1/sports

Cost: 0 tokens
Authentication: X-API-Key, demo key works

Parameters

This endpoint takes no parameters.

Request

curl -s "https://api.b337.ai/odds/v1/sports" \
  -H "X-API-Key: demo"

import requests

resp = requests.get(
    "https://api.b337.ai/odds/v1/sports",
    headers={"X-API-Key": "demo"},
    timeout=10,
)
resp.raise_for_status()
print(resp.json())

// Node 18+, saved as an .mjs file
const res = await fetch("https://api.b337.ai/odds/v1/sports", {
  headers: { "X-API-Key": "demo" },
});
console.log(await res.json());

Response

200 OK

{
  "data": [
    {"sport": "aussie_rules", "events": 2, "leagues": [
      {"league": "afl", "country": "au", "fixtures": 1, "outrights": 0, "events": 1,
       "logo_url": "https://api.b337.ai/odds/v1/media/logo/e6a33947d11c53db.png"},
      {"league": "afl_futures", "country": "au", "fixtures": 0, "outrights": 1, "events": 1,
       "logo_url": "https://api.b337.ai/odds/v1/media/logo/e6a33947d11c53db.png"}]},
    {"sport": "basketball", "events": 1, "leagues": [
      {"league": "nba", "country": "us", "fixtures": 1, "outrights": 0, "events": 1,
       "logo_url": null}]}
  ],
  "count": 2,
  "generated_at": "2026-10-03T02:30:26Z"
}

Fields

sport and league are the keys to filter /events with.
fixtures are head-to-head events; outrights are futures and tournament markets, hidden from /events unless you pass include_outrights=true.
events is the total listed for that sport or league right now.
logo_url is the league's mark, or null where we hold none. See logos and headshots.

API reference

List sports

Sports and leagues currently listed, with event counts.

GET/odds/v1/sports

Cost: 0 tokens
Authentication: X-API-Key, demo key works

Parameters

This endpoint takes no parameters.

Request

curl -s "https://api.b337.ai/odds/v1/sports" \
  -H "X-API-Key: demo"

import requests

resp = requests.get(
    "https://api.b337.ai/odds/v1/sports",
    headers={"X-API-Key": "demo"},
    timeout=10,
)
resp.raise_for_status()
print(resp.json())

// Node 18+, saved as an .mjs file
const res = await fetch("https://api.b337.ai/odds/v1/sports", {
  headers: { "X-API-Key": "demo" },
});
console.log(await res.json());

Response

200 OK

{
  "data": [
    {"sport": "aussie_rules", "events": 2, "leagues": [
      {"league": "afl", "country": "au", "fixtures": 1, "outrights": 0, "events": 1,
       "logo_url": "https://api.b337.ai/odds/v1/media/logo/e6a33947d11c53db.png"},
      {"league": "afl_futures", "country": "au", "fixtures": 0, "outrights": 1, "events": 1,
       "logo_url": "https://api.b337.ai/odds/v1/media/logo/e6a33947d11c53db.png"}]},
    {"sport": "basketball", "events": 1, "leagues": [
      {"league": "nba", "country": "us", "fixtures": 1, "outrights": 0, "events": 1,
       "logo_url": null}]}
  ],
  "count": 2,
  "generated_at": "2026-10-03T02:30:26Z"
}

Fields

sport and league are the keys to filter /events with.
fixtures are head-to-head events; outrights are futures and tournament markets, hidden from /events unless you pass include_outrights=true.
events is the total listed for that sport or league right now.
logo_url is the league's mark, or null where we hold none. See logos and headshots.