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REST APISports

BALLDONTLIE Sports API

BALLDONTLIE Sports API is a rest api from BALLDONTLIE (balldontlie.io) providing sports data. REST sports-data API covering 20+ leagues (NBA, NFL, MLB, NHL, EPL and more) with real-time scores, game state, play-by-play, box scores, and betting odds/player props. A Polymarket bot can poll it cheaply for live game status and final results to drive game-outcome/in-game markets and verify resolutions.

At a glance

ProviderBALLDONTLIE (balldontlie.io)
TypeREST API
CategorySports
Real-timeNo — request/response
AuthAPI key
PricingFree tier (1 sport, 5 req/min); paid from $9.99/mo (All-Star), $39.99/mo (GOAT), up to ~$299-499/mo (All-Access, all sports + webhooks) — Free: $0/mo — 1 sport, 5 req/min, basic data access, All-Star: $9.99/mo — 1 sport, 60 req/min, GOAT: $39.99/mo — 1 sport, 600 req/min, full data access, All-Access: ~$299-499/mo — all 20+ sports, webhooks, BDL Lab, StoryStats

What data it provides

  • Live and final game scores + game state (status, period, clock)
  • Live and historical box scores, player stats, and season averages
  • Play-by-play, lineups, standings, and injury updates
  • Live betting odds from 10+ sportsbooks plus opening/historical odds
  • Player prop betting lines
  • Schedules and historical games (NBA back to 1946)

Features

  • Polling REST/JSON API with cursor-based pagination (up to 100 per page)
  • Coverage of 20+ leagues: NBA, WNBA, NFL, MLB, NHL, EPL, La Liga, Serie A, Bundesliga, Ligue 1, UCL, MLS, ATP/WTA tennis, F1, esports (CS2, LoL, Dota 2), golf
  • Tiered rate limits: 5 / 60 / 600 requests per minute by plan
  • Deep history (NBA data from 1946-present) and real-time updates during live games
  • Webhooks (125+ event types) on All-Access tier for push-style updates
  • Official SDKs, OpenAPI spec, and an MCP server for AI/agent integration

Links

Use it in a bot

Other sports data sources

Listed, not endorsed. Pricing and capabilities change without notice — check the provider's own documentation before you depend on anything here. Browse the full data resources directory or the strategy database.
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