Skip to main content
GET
/
v1
/
pm
/
events
/
{eventId}
/
price-history
Price history
curl --request GET \
  --url https://relay.bayse.markets/v1/pm/events/{eventId}/price-history
import requests

url = "https://relay.bayse.markets/v1/pm/events/{eventId}/price-history"

response = requests.get(url)

print(response.text)
const options = {method: 'GET'};

fetch('https://relay.bayse.markets/v1/pm/events/{eventId}/price-history', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));
<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://relay.bayse.markets/v1/pm/events/{eventId}/price-history",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}
package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://relay.bayse.markets/v1/pm/events/{eventId}/price-history"

	req, _ := http.NewRequest("GET", url, nil)

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}
HttpResponse<String> response = Unirest.get("https://relay.bayse.markets/v1/pm/events/{eventId}/price-history")
  .asString();
require 'uri'
require 'net/http'

url = URI("https://relay.bayse.markets/v1/pm/events/{eventId}/price-history")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Get.new(url)

response = http.request(request)
puts response.read_body
{
  "b2c3d4e5-f6a7-8901-bcde-f12345678901": [
    {
      "outcome": "YES",
      "price": 0.65,
      "timestamp": "2026-02-10T00:00:00Z"
    },
    {
      "outcome": "YES",
      "price": 0.68,
      "timestamp": "2026-02-11T00:00:00Z"
    },
    {
      "outcome": "YES",
      "price": 0.72,
      "timestamp": "2026-02-17T00:00:00Z"
    }
  ]
}

​
Authentication

No authentication required.

​
Path parameters

​
eventId
string
required
UUID of the event.

​
Query parameters

​
timePeriod
string
default:"24H"
Time window for the history. One of: 12H, 24H, 1W, 1M, 1Y.
​
marketId[]
array
Filter to specific market UUIDs (comma-separated). Omit to return all markets in the event.
​
outcome
string
Filter to a specific outcome: YES or NO.

​
Example request

curl "https://relay.bayse.markets/v1/pm/events/a1b2c3d4-e5f6-7890-abcd-ef1234567890/price-history?timePeriod=1W&outcome=YES"

const eventId = 'a1b2c3d4-e5f6-7890-abcd-ef1234567890';
const response = await fetch(
  `https://relay.bayse.markets/v1/pm/events/${eventId}/price-history?timePeriod=1W&outcome=YES`
);
const data = await response.json();

import requests

event_id = 'a1b2c3d4-e5f6-7890-abcd-ef1234567890'
resp = requests.get(
    f'https://relay.bayse.markets/v1/pm/events/{event_id}/price-history',
    params={'timePeriod': '1W', 'outcome': 'YES'},
)
data = resp.json()

req, _ := http.NewRequest(
    "GET",
    "https://relay.bayse.markets/v1/pm/events/a1b2c3d4-e5f6-7890-abcd-ef1234567890/price-history",
    nil,
)
q := req.URL.Query()
q.Add("timePeriod", "1W")
q.Add("outcome", "YES")
req.URL.RawQuery = q.Encode()
resp, _ := http.DefaultClient.Do(req)

​
Response

Returns a map of market IDs to their price history arrays. 
{
  "b2c3d4e5-f6a7-8901-bcde-f12345678901": [
    {
      "outcome": "YES",
      "price": 0.65,
      "timestamp": "2026-02-10T00:00:00Z"
    },
    {
      "outcome": "YES",
      "price": 0.68,
      "timestamp": "2026-02-11T00:00:00Z"
    },
    {
      "outcome": "YES",
      "price": 0.72,
      "timestamp": "2026-02-17T00:00:00Z"
    }
  ]
}