Where our data comes from

Everything on Lotto Surgeon comes from official lottery sources: state lottery websites and their public data feeds. We refresh it every day. If we and the lottery ever disagree, the lottery is right.

Powerball and Mega Millions

Powerball: NY Open Data: Lottery Powerball Winning Numbers (NYS Gaming Commission), NJ Lottery draw-games API (newest draw, before the open-data file updates), checked against the official site
Mega Millions: NY Open Data: Lottery Mega Millions Winning Numbers (NYS Gaming Commission), NJ Lottery draw-games API (newest draw, before the open-data file updates), checked against the official site
Jackpots and cash values: powerball.com and megamillions.com
Tax rates for take-home estimates: USA Mega tax table

By state

State	Official sources
California	California Lottery past draw results (daily numbers)
Colorado	Colorado Lottery Scratch Insider (top prizes remaining, odds, payout %) (prizes)
Connecticut	CT Lottery Scratch Games (top prizes remaining) (prizes)
Florida	Florida Lottery scratch-off game API (all tiers, total/remaining) (prizes) Florida Lottery draw-games API (latest results + next jackpot) (draws) Florida Lottery draw-games API (latest draws; history kept from each refresh) (daily numbers)
Indiana	Hoosier Lottery scratch-off game pages (upper prize levels (prizes) Hoosier Lottery draw game pages (latest numbers + estimated jackpot) (draws) Hoosier Lottery past game results (daily numbers)
Massachusetts	Mass Lottery API instant-game-prizes + games (prizes) Mass Lottery API draw-results (draws) Mass Lottery API retailers/nearby (state tiled, 427 calls) (stores) Mass Lottery API winners/query (all prizes >= $600, last 90 days) (winners) Mass Lottery draw-results API (daily numbers)
Michigan	Michigan Lottery API (prizes) Michigan Lottery API (winners) Michigan Lottery winning numbers API (daily numbers)
New Jersey	NJ Lottery instant-games API (all tiers; remaining = winning tickets - paid tickets) (prizes) NJ Lottery draw-games API (latest result + current jackpot) (draws) NJ Lottery locations API (401 pages; terminated retailers dropped) (stores) NJ Lottery Lucky Locations (latest top win per draw game + Fast Play wins >= $500, last 30 days) (winners) NJ Lottery draw-games API (daily numbers)
New York	NY Lottery scratch_off_games API (all tiers, paid/remaining, tier odds) (prizes) NY Lottery draw_games_fallback API (draws) NY Open Data (stores) NY Lottery winner announcements (official; store parsed from text) (winners) NY Open Data: Lottery Daily Numbers/Win-4 Winning Numbers (daily numbers)
North Carolina	NC Education Lottery (prizes) NC Education Lottery past-draws CSV downloads + game pages (jackpots) (draws) NC Education Lottery past-draws CSV downloads (daily numbers)
Pennsylvania	PA Lottery (prizes)
South Carolina	SC Education Lottery (prizes) SC Education Lottery (winners) US Census Geocoder (address match) (geocode)
Texas	Texas Lottery scratch ticket list + game detail pages (published upper prize tiers) (prizes) Texas Lottery winning-number CSV downloads + home-page jackpots (draws) Texas Open Data Portal (winners) US Census Geocoder (address match) / Census 2023 ZCTA centroid fallback (geocode) Texas Lottery winning-number CSV downloads (daily numbers)
Virginia	Virginia Lottery scratcher pages (prize table (prizes) Virginia Lottery past numbers API (draws) Virginia Lottery winner stories (official; store parsed from text) (winners) US Census Geocoder (geocode)
Washington	Washington's Lottery Scratch Explorer / Top Prizes Remaining (prizes)

Winner lists show the store that sold the ticket, never the winner's name or hometown. ZIP code and city locations for the “Near me” search come from GeoNames (CC BY 4.0). Ticket pictures are the official images published by each state lottery.

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