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GET
Look Up Market

Headers

PX-Key-Id
string
required

The key id issued for your signing keypair.

PX-Timestamp
string
required

Unix seconds at signing, valid within 30 seconds of the server clock.

PX-Signature
string
required

Ed25519 signature of the request

PX-Content-Sha256
string
required

Hex SHA-256 of the request body, or the SHA-256 of the empty string when there is no body.

Query Parameters

tokenId
string

Look up by Polymarket token id.

Example:

"7132104567925221259462638553270691275033272857194253228963137931245558399256"

ticker
string

Look up by Kalshi market ticker.

Example:

"KXMLBGAME-26JUL25SFPHI-SF"

conditionId
string

Look up by Polymarket condition id.

Example:

"0x1234abcd"

slug
string

Look up by Polymarket market slug.

Example:

"giants-vs-phillies-2026-07-25"

Response

The resolved markets

markets
object[]
required

The canonical markets the venue identifier resolves to.