GET/midpoints

Get midpoint prices (query parameters)

Retrieves midpoint prices for multiple token IDs using query parameters. The midpoint is calculated as the average of the best bid and best ask prices.

Base URL: https://clob.polymarket.com
Auth: Public, no key
Rate limit: 500 req / 10s (50 per second)
Limit applies to: /midpoints

Parameters

Name	In	Type	Required	Description
token_ids	query	string	yes	Comma-separated list of token IDs

Example

curl -X GET "https://clob.polymarket.com/midpoints?token_ids=<token_ids>"

Responses

Status	Meaning
200	Successfully retrieved midpoint prices
400	Bad request - Invalid payload
500	Internal server error

Related endpoints

GET /midpoint CLOB API
POST /midpoints 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.