Developer API · v1

Build on top of
UnderDraft

A RESTful API that gives you full programmatic access to leagues, teams, players, schedules, scores, and stats. Integrate UnderDraft data into your own apps, dashboards, or workflows.

Get your API key Browse endpoints
Base URLhttps://api.underdraft.app/v1
50+Endpoints
<100msAvg. latency
99.9%Uptime SLA
RESTJSON · Bearer auth

Everything you need

One consistent API surface for all UnderDraft data.

League & Season data

Read and manage leagues, divisions, seasons, standings, and playoff brackets.

Team & Roster management

Add or remove players, update rosters, and manage captain assignments programmatically.

Schedule & Games

Fetch upcoming and past games, venues, and referee assignments. Create and reschedule games.

Live scores & stats

Submit score updates mid-game and pull real-time stat lines per player and per team.

Webhooks

Subscribe to game events, score changes, and roster updates delivered to your endpoint.

Authentication & keys

Scoped API keys with read-only or read-write permissions. Rotate or revoke from your dashboard.

Core endpoints

All endpoints return JSON and are secured with Bearer token auth.

GET/leagues

List all leagues for your organization

GET/leagues/{id}/standings

Current division standings

GET/games

List games with optional date and status filters

GET/games/{id}

Single game detail with live stats

PATCH/games/{id}/score

Update home and away score

GET/teams/{id}/roster

Full player roster for a team

POST/teams/{id}/players

Add a player to a team

GET/players/{id}/stats

Career and season stats for a player

Quick start

Up and running in minutes

Authenticate with your API key and start pulling live league data with a single request. Full SDK support is coming soon.

  • 1Create a free UnderDraft account and register as an Organizer.
  • 2Generate an API key from your organization dashboard.
  • 3Authenticate requests using the Authorization: Bearer header.
  • 4Call any endpoint — responses are standard JSON with consistent pagination.
example.sh
# 1 — Fetch all leagues for your organization
curl https://api.underdraft.app/v1/leagues \
  -H "Authorization: Bearer YOUR_API_KEY"

# 2 — Get a single game with live stats
curl https://api.underdraft.app/v1/games/{game_id} \
  -H "Authorization: Bearer YOUR_API_KEY"

# 3 — Submit a score update
curl -X PATCH https://api.underdraft.app/v1/games/{game_id}/score \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"home": 3, "away": 1}'

Start building today

Create a free UnderDraft account to get your API key and access the full developer documentation.

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