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 moreFewer
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.
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