Markets

GET

polymarket

markets

Get Markets

curl --request GET \
  --url https://api.domeapi.io/v1/polymarket/markets

{
  "markets": [
    {
      "market_slug": "btc-updown-15m-1762516800",
      "condition_id": "0x6876ac2b6174778c973c118aac287c49057c4d5360f896729209fe985a2c07fb",
      "title": "Bitcoin Up or Down - November 7, 7:00AM-7:15AM ET",
      "start_time": 1762506140,
      "end_time": 1762517700,
      "completed_time": null,
      "close_time": null,
      "game_start_time": "2025-08-16 20:00:00.000",
      "tags": [
        "Up or Down",
        "Crypto Prices",
        "Hide From New",
        "Recurring",
        "Crypto",
        "Bitcoin",
        "15M"
      ],
      "volume_1_week": 0,
      "volume_1_month": 0,
      "volume_1_year": 0,
      "volume_total": 93.148228,
      "resolution_source": "https://data.chain.link/streams/btc-usd",
      "image": "https://polymarket-upload.s3.us-east-2.amazonaws.com/BTC+fullsize.png",
      "side_a": {
        "id": "14557944883400223565643640243919774851380876937588843424705199812983475639104",
        "label": "Up"
      },
      "side_b": {
        "id": "57567439101367774829602299916701968079591032322820664013819223989961583069589",
        "label": "Down"
      },
      "winning_side": null,
      "status": "open"
    }
  ],
  "pagination": {
    "limit": 20,
    "offset": 0,
    "total": 150,
    "has_more": true
  }
}

Query Parameters

market_slug

string[]

Filter markets by market slug(s). Can provide multiple values.

Example:

["bitcoin-up-or-down-july-25-8pm-et"]

event_slug

string[]

Filter markets by event slug(s). Can provide multiple values.

Example:

["presidential-election-winner-2028"]

condition_id

string[]

Filter markets by condition ID(s). Can provide multiple values.

Example:

[
  "0x4567b275e6b667a6217f5cb4f06a797d3a1eaf1d0281fb5bc8c75e2046ae7e57"
]

Response

Markets response with pagination

markets

object[]

Show child attributes

markets.market_slug

string

Example:

"btc-updown-15m-1762516800"

markets.condition_id

string

Example:

"0x6876ac2b6174778c973c118aac287c49057c4d5360f896729209fe985a2c07fb"

markets.title

string

Example:

"Bitcoin Up or Down - November 7, 7:00AM-7:15AM ET"

markets.start_time

integer

Unix timestamp in seconds when the market starts

Example:

1762506140

markets.end_time

integer

Unix timestamp in seconds when the market ends

Example:

1762517700

markets.completed_time

integer | null

Unix timestamp in seconds when the market was completed

Example:

null

markets.close_time

integer | null

Unix timestamp in seconds when the market was closed

Example:

null

markets.game_start_time

string<date-time> | null

Datetime string in UTC format (YYYY-MM-DD HH:MM:SS.000) for when the game/event starts. Only present for sports markets that have a game start time.

Example:

"2025-08-16 20:00:00.000"

markets.tags

string[]

Example:

[
  "Up or Down",
  "Crypto Prices",
  "Hide From New",
  "Recurring",
  "Crypto",
  "Bitcoin",
  "15M"
]

markets.volume_1_week

number

Trading volume in USD for the past week

Example:

0

markets.volume_1_month

number

Trading volume in USD for the past month

Example:

0

markets.volume_1_year

number

Trading volume in USD for the past year

Example:

0

markets.volume_total

number

Total trading volume in USD

Example:

93.148228

markets.resolution_source

string

URL to the data source used for market resolution

Example:

"https://data.chain.link/streams/btc-usd"

markets.image

string

URL to the market image

Example:

"https://polymarket-upload.s3.us-east-2.amazonaws.com/BTC+fullsize.png"

markets.side_a

object

First side/outcome of the market

Show child attributes

markets.side_a.id

string

Token ID for side A

Example:

"14557944883400223565643640243919774851380876937588843424705199812983475639104"

markets.side_a.label

string

Label for side A

Example:

"Up"

markets.side_b

object

Second side/outcome of the market

Show child attributes

markets.side_b.id

string

Token ID for side B

Example:

"57567439101367774829602299916701968079591032322820664013819223989961583069589"

markets.side_b.label

string

Label for side B

Example:

"Down"

markets.winning_side

string | null

The winning side of the market (null if not yet resolved)

Example:

null

markets.status

enum<string>

Available options:

open,

closed

Example:

"open"

pagination

object

Show child attributes

pagination.limit

integer

Example:

20

pagination.offset

integer

Example:

0

pagination.total

integer

Total number of markets matching the filters

Example:

150

pagination.has_more

boolean

Whether there are more markets available

Example:

true

Trade HistoryFetches historical trade data with optional filtering by market, condition, token, time range, and user's wallet address.

⌘I

Get Markets

curl --request GET \
  --url https://api.domeapi.io/v1/polymarket/markets

{
  "markets": [
    {
      "market_slug": "btc-updown-15m-1762516800",
      "condition_id": "0x6876ac2b6174778c973c118aac287c49057c4d5360f896729209fe985a2c07fb",
      "title": "Bitcoin Up or Down - November 7, 7:00AM-7:15AM ET",
      "start_time": 1762506140,
      "end_time": 1762517700,
      "completed_time": null,
      "close_time": null,
      "game_start_time": "2025-08-16 20:00:00.000",
      "tags": [
        "Up or Down",
        "Crypto Prices",
        "Hide From New",
        "Recurring",
        "Crypto",
        "Bitcoin",
        "15M"
      ],
      "volume_1_week": 0,
      "volume_1_month": 0,
      "volume_1_year": 0,
      "volume_total": 93.148228,
      "resolution_source": "https://data.chain.link/streams/btc-usd",
      "image": "https://polymarket-upload.s3.us-east-2.amazonaws.com/BTC+fullsize.png",
      "side_a": {
        "id": "14557944883400223565643640243919774851380876937588843424705199812983475639104",
        "label": "Up"
      },
      "side_b": {
        "id": "57567439101367774829602299916701968079591032322820664013819223989961583069589",
        "label": "Down"
      },
      "winning_side": null,
      "status": "open"
    }
  ],
  "pagination": {
    "limit": 20,
    "offset": 0,
    "total": 150,
    "has_more": true
  }
}

Getting started

Matching Markets

Polymarket Endpoints

Kalshi Endpoints

Query Parameters

Response