POST/last-trades-prices

Get last trade prices (request body)

Retrieves last trade prices for multiple token IDs using a request body. Maximum 500 token IDs can be requested per call.

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
token_id	string	yes	Token ID (asset ID)
side	string	no	Order side (optional, not used for midpoint calculation)

Example

curl -X POST "https://clob.polymarket.com/last-trades-prices" \
  -H "Content-Type: application/json" \
  -d '[
  {
    "token_id": "<token_id>"
  }
]'

Returns a list of objects with these fields

Field	Type	Description
token_id	string	Token ID (asset ID)
price	string	Last trade price
side	string	Last trade side (BUY or SELL)

Responses

Status	Meaning
200	Successfully retrieved last trade prices
400	Bad request - Invalid payload or exceeds limit
500	Internal server error

Errors this endpoint returns

Related endpoints

GET /last-trades-prices CLOB API

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.