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GET
/
polymarket
/
market
/
chart
Get market chart
curl --request GET \
  --url https://api.struct.to/v1/polymarket/market/chart
[
  {
    "position_id": "<string>",
    "name": "<string>",
    "outcome_index": 123,
    "data": [
      {
        "v": 123,
        "t": 1
      }
    ]
  }
]

Query Parameters

​
condition_id
string

Market condition ID or market_slug (one required)

​
market_slug
string

Market slug (alternative to condition_id)

​
position_ids
string

Comma-separated list of position IDs (max 4, optional). Auto-selected if not provided

Response

200 - application/json

Price data over time for up to 4 market outcomes

​
position_id
string
required
​
name
string
required
​
outcome_index
integer<int32>
required
​
data
object[]
required
Last modified on March 17, 2026