livetennisapi

Official Python client for the Live Tennis API.

Real-time tennis scores, players, rankings, match-winner market prices and model win-probability — for ATP, WTA, Challenger and ITF, over REST and WebSocket.

Documentation · Get a free API key

Install

pip install livetennisapi          # REST client + CLI
pip install "livetennisapi[all]"   # + WebSocket feed and rich CLI tables

Use

from livetennisapi import LiveTennisAPI

with LiveTennisAPI(api_key="twjp_…") as client:   # or set LIVETENNISAPI_KEY
    for match in client.list_matches(status="live"):
        print(match.tournament, match.p1.name, "vs", match.p2.name, match.score.sets)

Async is the same API, awaited:

from livetennisapi import AsyncLiveTennisAPI

async with AsyncLiveTennisAPI() as client:
    match = await client.get_match(18953)

Command line

The package ships a livetennis command:

$ livetennis live
Live matches (3)
ID     Tournament            Rd   Players                  Score
18953  ATP Wimbledon         R16  *Alcaraz / Sinner        6-4 3-6 2-1 (40-30)

$ livetennis match 18953
$ livetennis players djokovic
$ livetennis watch --match 18953     # live WebSocket stream

Live score feed (ULTRA)

from livetennisapi import LiveScoreStream

with LiveScoreStream() as stream:
    for update in stream:
        print(update.match_id, update.score.sets)

Reconnects automatically with backoff and re-subscribes. Heartbeats are consumed internally, so you only see real score changes. It deliberately does not reconnect on a bad key or an insufficient tier — those raise immediately rather than retry forever.

Break-point signals

Opt in with signals=["break_point"] to also receive the headline break-point feed. The stream then yields a BreakPoint the moment a break point arises and a BreakPointResult when it resolves, alongside the usual ScoreUpdate:

from livetennisapi import LiveScoreStream, ScoreUpdate, BreakPoint, BreakPointResult

with LiveScoreStream(signals=["break_point"]) as stream:
    for frame in stream:
        if isinstance(frame, BreakPoint):
            print(f"BREAK POINT on match {frame.match_id}: "
                  f"p{frame.returner} has {frame.break_points} vs server p{frame.server}")
        elif isinstance(frame, BreakPointResult):
            print(f"  -> {frame.outcome} (p1 win prob now {frame.win_probability_p1_after})")
        elif isinstance(frame, ScoreUpdate):
            print(frame.match_id, frame.score.sets)

With no signals the stream behaves exactly as before — score frames only. Both the feed and the model fields are ULTRA-only. A runnable example lives in livetennisapi-starter-python.

Tiers

Calling above your tier raises UpgradeRequired, which tells you which tier you need:

from livetennisapi import UpgradeRequired

try:
    client.get_match_analysis(18953)
except UpgradeRequired as exc:
    print(exc.required_tier)   # 'ULTRA'

Errors

All inherit from LiveTennisAPIError.

Requests retry automatically on 429 and 5xx only, honouring Retry-After with exponential backoff and jitter. Other 4xx are never retried — a bad key or an unentitled tier cannot start working, and retrying only burns rate limit.

Pagination

limit defaults to 50; the API rejects anything above 200. To walk everything — paginate() clamps the page size for you:

for player in client.paginate("search_players", search="nadal"):
    print(player.name)

Forward compatibility

The API ships additive changes within v1, so this client never rejects a field it doesn't recognise. Unknown fields stay reachable:

match = client.get_match(18953)
match.raw["some_new_field"]   # present if the server sent it
match.some_new_field          # also works

That means a new server-side field is usable without upgrading this package.

The score shape (read this one)

games is player-major, not set-major:

score.games      # [[6, 3, 2], [4, 6, 1]]  ->  6-4, 3-6, 2-1
                 #  ^p1 per set  ^p2 per set
score.sets       # [1, 1]  ->  one set each
score.server     # 1 or 2

Indexing it the other way is the most common mistake made against this API, so there's a helper:

score.games_for_set(0)   # (6, 4)

Configuration

LiveTennisAPI(
    api_key="twjp_…",          # or $LIVETENNISAPI_KEY
    base_url=None,             # or $LIVETENNISAPI_BASE_URL
    timeout=30.0,
    max_retries=2,
    auth_header="bearer",      # or "x-api-key"
)

Contributing

Issues and pull requests welcome at livetennisapi/livetennisapi-python.

pip install -e ".[dev]"
pytest -m "not contract"                  # unit tests, offline
LIVETENNISAPI_KEY=twjp_… pytest -m contract   # verify against the live API

The contract tests assert that the live API's real responses match these models. If the API and the spec disagree, that's a bug worth reporting.

Related

Everything in the Live Tennis API developer surface:

• API reference — https://docs.livetennisapi.com (plain-HTML version, no JavaScript required)
• OpenAPI 3.1 specification — livetennisapi/openapi
• Products — https://livetennisapi.com/products
• Website and plans — https://livetennisapi.com

Licence

MIT — see LICENSE. Use of the API service is governed by the Terms of Service.