Polymarket Get last trade price

https://api.sandbase.ai/v1/api/polymarket/last-trade-price

Retrieves the last trade price and side for a specific token ID. Returns default values of 0.5 for price and empty string for side if no trades found.

Price
$0.02USD / call
Method
POST
Response
JSON
Parameters
1 required · 0 optional
Production route

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Playground

Open playground
Input
Token ID (asset ID)
OutputReady

Your output will appear here

Complete the inputs, then click Run.

Model card

Specifications

Pricing

Base price
$0.02 / run

Request & response

Method
POST
Request body
application/json
Response
application/json
Execution
sync

Parameters

token_id
string · required

Access

Provider
Polymarket
API
Platform API
Base URL
https://api.sandbase.ai
Endpoint
/v1/api/polymarket/last-trade-price
Authentication
Bearer API key

API README

Polymarket Get last trade price API

Retrieves the last trade price and side for a specific token ID. Returns default values of 0.5 for price and empty string for side if no trades found.

The response is the official Polymarket API response, unchanged.

Request

curl -X POST "https://api.sandbase.ai/v1/run" \
  -H "Authorization: Bearer $SANDBASE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "polymarket/last-trade-price", "token_id": "0xabc123def456..."}'

Parameters

NameTypeRequiredDescription
token_idstringYesToken ID (asset ID)

Pricing

Flat price per call. Failed calls are not charged.

Start building

Send your first request

Platform API endpoint with unified authentication and usage tracking.

Production API
Platform API endpoint
https://api.sandbase.ai/v1/api/polymarket/last-trade-price
Authorization header
Authorization: Bearer $SANDBASE_API_KEY
# The quoted heredoc keeps Unicode and shell metacharacters unchanged.
result=$(curl --fail-with-body --silent \
  -X POST "https://api.sandbase.ai/v1/api/polymarket/last-trade-price" \
  -H "Authorization: Bearer $SANDBASE_API_KEY" \
  -H "Content-Type: application/json" \
  --data-binary @- <<'SANDBASE_JSON'
{
  "token_id": "0xabc123def456..."
}
SANDBASE_JSON
)
printf '%s\n' "$result"

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Questions

FAQ

How do I use the Polymarket Get last trade price API?

Send a POST request to https://api.sandbase.ai/v1/api/polymarket/last-trade-price with your SandBase API key in the Authorization header (Bearer) and the parameters as a JSON body. You can also try it in the Playground on this page without writing code.

How much does the Polymarket Get last trade price API cost?

$0.02 per call, billed from your SandBase balance. You are only charged for calls you make; there is no subscription.

What parameters does the Polymarket Get last trade price API accept?

Required: token_id (string). The Parameters table and the Playground on this page list every field.

What does the Polymarket Get last trade price API return?

A JSON response returned in the same HTTP request (synchronous).

Do I need a Polymarket developer account or API key?

No. Polymarket Get last trade price runs through SandBase, so one SandBase API key covers this endpoint and every other API and model in the catalog. You do not need to apply for Polymarket API access separately.