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POST
/
workspaces
/
{workspaceId}
/
canton
/
ledger-query
Canton Ledger API passthrough
curl --request POST \
  --url https://api.bron.org/workspaces/{workspaceId}/canton/ledger-query \
  --header 'Content-Type: application/json' \
  --data '
{
  "accountId": "<string>",
  "params": "<unknown>",
  "sessionTopic": "<string>"
}
'
import requests

url = "https://api.bron.org/workspaces/{workspaceId}/canton/ledger-query"

payload = {
"accountId": "<string>",
"params": "<unknown>",
"sessionTopic": "<string>"
}
headers = {"Content-Type": "application/json"}

response = requests.post(url, json=payload, headers=headers)

print(response.text)
const options = {
method: 'POST',
headers: {'Content-Type': 'application/json'},
body: JSON.stringify({accountId: '<string>', params: '<unknown>', sessionTopic: '<string>'})
};

fetch('https://api.bron.org/workspaces/{workspaceId}/canton/ledger-query', 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://api.bron.org/workspaces/{workspaceId}/canton/ledger-query",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_POSTFIELDS => json_encode([
'accountId' => '<string>',
'params' => '<unknown>',
'sessionTopic' => '<string>'
]),
CURLOPT_HTTPHEADER => [
"Content-Type: application/json"
],
]);

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

curl_close($curl);

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

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

func main() {

url := "https://api.bron.org/workspaces/{workspaceId}/canton/ledger-query"

payload := strings.NewReader("{\n \"accountId\": \"<string>\",\n \"params\": \"<unknown>\",\n \"sessionTopic\": \"<string>\"\n}")

req, _ := http.NewRequest("POST", url, payload)

req.Header.Add("Content-Type", "application/json")

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

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

fmt.Println(string(body))

}
HttpResponse<String> response = Unirest.post("https://api.bron.org/workspaces/{workspaceId}/canton/ledger-query")
.header("Content-Type", "application/json")
.body("{\n \"accountId\": \"<string>\",\n \"params\": \"<unknown>\",\n \"sessionTopic\": \"<string>\"\n}")
.asString();
require 'uri'
require 'net/http'

url = URI("https://api.bron.org/workspaces/{workspaceId}/canton/ledger-query")

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

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n \"accountId\": \"<string>\",\n \"params\": \"<unknown>\",\n \"sessionTopic\": \"<string>\"\n}"

response = http.request(request)
puts response.read_body
{
  "result": "<unknown>",
  "status": "<string>"
}
{
"error": "<string>",
"message": "<string>"
}
{
"error": "<string>",
"message": "<string>"
}
{
"error": "<string>",
"message": "<string>"
}

Path Parameters

workspaceId
string
required

Body

application/json
accountId
string
required

Account whose Canton party identifiers are used as the calling parties for the forwarded request.

params
com.fasterxml.jackson.databind.JsonNode
required

Canton Ledger JSON API request envelope; mirrors the @canton-network/dapp-sdk LedgerApiParams shape ({ requestMethod, resource, body?, query?, path? }). This route forwards a whitelisted set of read-only requests on behalf of a wallet connected via WalletConnect.

sessionTopic
string
required

WalletConnect session topic for audit correlation.

Response

OK

result
com.fasterxml.jackson.databind.JsonNode

Raw response body returned by the Canton Ledger JSON API; forwarded unchanged.

status
string<int32>

HTTP status returned by the Canton Ledger JSON API.