Open Hand History
  • Overview
  • Guiding Principles
  • JSON Object
  • Storage Format
  • Standardized Hand History JSON
    • The Specification
    • spec_version
    • site_name
    • network_name
    • internal_version
    • tournament
    • tournament_info
    • game_number
    • start_date_utc
    • table_name
    • table_handle
    • table_skin
    • game_type
    • bet_limit
    • table_size
    • currency
    • dealer_seat
    • small_blind_amount
    • big_blind_amount
    • ante_amount
    • hero_player_id
    • flags
    • players
    • rounds
    • pots
    • tournament_bounties
  • Bet Limit Object
    • <bet_limit_obj>
      • bet_cap
      • bet_type
  • Player Object
    • <player_obj>
      • id
      • seat
      • name
      • display
      • starting_stack
      • player_bounty
      • is_sitting_out
  • Round Object
    • <round_obj>
      • id
      • street
      • cards
      • actions
  • Action Object
    • <action_obj>
      • action_number
      • player_id
      • action
      • amount
      • is_allin
      • cards
  • Pot Object
    • <pot_obj>
      • number
      • amount
      • rake
      • jackpot
      • player_wins
  • Player Wins Object
    • <player_wins>
      • player_id
      • win_amount
      • cashout_amount
      • cashout_fee
      • bonus_amount
  • Tournament Info Object
    • <tournament_info_obj>
      • tournament_number
      • name
      • start_date_utc
      • currency
      • buyin_amount
      • bounty_fee_amount
      • fee_amount
      • initial_stack
      • type
      • flags
      • speed
  • Tournament Bounty Object
    • <tournament_bounty_obj>
      • player_id
      • bounty_won
      • defeated_player_id
  • Speed Object
    • <speed_obj>
      • type
      • round_time
  • String Formats
    • version_string
    • card_string
  • Examples
    • Holdem cash hand (iPoker)
    • Holdem cash hand (PokerStars)
    • Omaha cash hand (WPN)
    • Omaha hi/lo cash hand (PokerStars)
    • Holdem cash hand (888)
    • Holdem tournament hand (888)
    • Holdem tournament hand (PokerStars)
    • Holdem tournament hand (iPoker)
  • Contact Us
    • Change Request Process
    • Support
  • CHANGE LOG
    • Change Log
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  1. Contact Us

Change Request Process

How to contact us to request a change to the specification.

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Last updated 5 years ago

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The standard specification is versioned to allow for bug fixes, continued improvements and further advancements. If you have a request to change the specification, please email your requests to and provide the following information:

  • Your full name.

  • Business name.

  • Explanation of the requested change and why it is needed.

  • Your proposed modification to the standard specification.

We will review all requests and you will be contacted regardless if your change request was approved or denied.

Upon approval of a change request, the specification will be updated to reflect the approved change and the version number of the specification will be increased.

request@handhistory.org