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Polymarket US

Polymarket US only. This toolkit connects to the CFTC-compliant Polymarket US product for United States users, not the global Polymarket app. API credentials are created at https://polymarket.us/developers after Polymarket US account verification.

What agents can do

Actions44

  • Cancel all open orders

    Cancel all authenticated Polymarket US open orders, optionally scoped to specific market slugs.

  • Cancel multiple orders

    Cancel up to 20 Polymarket US open orders in one request.

  • Cancel order

    Cancel one Polymarket US open order by exchange-assigned order ID.

  • Close position order

    Create a live Polymarket US order intended to close an existing position in one market.

  • Create multiple orders

    Submit up to 20 live Polymarket US orders in one request.

  • Create order

    Submit one live Polymarket US order.

  • Get account balances

    Get the authenticated user's Polymarket US account balances.

  • Get activities

    Get authenticated Polymarket US portfolio activities such as trades, resolutions, deposits, withdrawals, referral bonuses, and transfers.

36 more
  • Get event by id

    Get one Polymarket US event by numeric ID from the public gateway API.

  • Get event by slug

    Get one Polymarket US event by slug from the public gateway API.

  • Get league by slug

    Get a current Polymarket US v2 league by slug.

  • Get market bbo

    Get the best bid and offer for one Polymarket US market by slug.

  • Get market book

    Get the public order book for one Polymarket US market by slug.

  • Get market by id

    Get one Polymarket US market by numeric ID from the public gateway API.

  • Get market by slug

    Get one Polymarket US market by slug from the public gateway API.

  • Get market settlement

    Get settlement information for one Polymarket US market by slug.

  • Get markets for subject

    Discover Polymarket US markets associated with a subject ID.

  • Get markets for subject by slug

    Discover Polymarket US markets associated with a subject slug.

  • Get open orders

    Get all open orders for the authenticated Polymarket US user.

  • Get order

    Get an authenticated user's Polymarket US order by exchange-assigned order ID.

  • Get series by id

    Get a Polymarket US series by numeric ID.

  • Get sport by slug

    Get a current Polymarket US v2 sport by slug.

  • Get subject by id

    Get a Polymarket US subject entity by numeric ID.

  • Get subject by slug

    Get a Polymarket US subject entity by slug.

  • Get tag by id

    Get a Polymarket US topic, sport, or league tag by numeric ID.

  • Get tag by slug

    Get a Polymarket US topic, sport, or league tag by slug.

  • Get user positions

    Get the authenticated user's Polymarket US trading positions across all markets or filtered by a specific market slug.

  • List events

    Discover Polymarket US events from the public gateway API.

  • List events for league

    List Polymarket US events for a current v2 league slug such as "nba" or "nfl".

  • List events for series

    List Polymarket US sports events for a legacy v1 series ID.

  • List events for sport

    List Polymarket US events for a current v2 sport slug such as "football" or "basketball".

  • List featured tags

    List featured Polymarket US tag sections from the public gateway API.

  • List leagues

    List current Polymarket US sports leagues from the v2 public gateway API.

  • List markets

    Discover Polymarket US markets from the public gateway API.

  • List series

    List Polymarket US series from the public gateway API.

  • List sports

    List Polymarket US sports from the current v2 public gateway API.

  • List sports teams

    List Polymarket US sports teams from the legacy v1 public gateway API.

  • List sports teams for provider

    List Polymarket US legacy v1 sports team mappings for a data provider.

  • List subjects

    List Polymarket US subject entities from the public gateway API.

  • List tags

    List ranked Polymarket US tags from the public gateway API.

  • Modify multiple orders

    Modify up to 20 Polymarket US open orders in one request.

  • Modify order

    Modify one existing Polymarket US open order.

  • Preview order

    Preview a Polymarket US order without submitting it to the market.

  • Search markets and events

    Search public Polymarket US markets and events for discovery.

How it connects

You paste an API key from Polymarket US on a page Composio hosts, so the key never passes through Definable.

Keep the connection to yourself or share it with your workspace. Any action that writes or sends can wait for your approval.