POST/batch-prices-history

Get batch prices history

Retrieve historical price data for multiple markets in a single request.

Base URL: https://clob.polymarket.com
Auth: Public, no key
Rate limit: 9,000 req / 10s (900 per second)
Limit applies to: CLOB API general

Request body

Field	Type	Required	Description
markets	string[]	yes	List of market asset ids to query. Maximum 20.
start_ts	number	no	Filter by items after this unix timestamp (seconds).
end_ts	number	no	Filter by items before this unix timestamp (seconds).
interval	string	no	Time interval for data aggregation.
fidelity	integer	no	Accuracy of the data expressed in minutes. Default is 1 minute.

Example

curl -X POST "https://clob.polymarket.com/batch-prices-history" \
  -H "Content-Type: application/json" \
  -d '{
  "markets": []
}'

Response fields

Field	Type	Description
history	object	Map of market asset id to array of price data points.

Responses

Status	Meaning
200	Successful response with price history for each market
400	Bad Request - Missing or invalid parameters
500	Internal server error

Polymarket's API serves current state only, so it cannot show what a market's book looked like after it resolved. PolyTest records Up/Down markets while they run and keeps the snapshots. Try it free, or read the full rate limit reference.

From Polymarket's published OpenAPI spec and rate-limit tables, synced 2026-10-04.