Proxy a request to the Canton Ledger API

curl --request POST \
  --url https://api.dfns.io/wallets/{walletId}/canton/ledger-api \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "resource": "<string>",
  "body": "<unknown>"
}
'

import requests

url = "https://api.dfns.io/wallets/{walletId}/canton/ledger-api"

payload = {
    "resource": "<string>",
    "body": "<unknown>"
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({resource: '<string>', body: JSON.stringify('<unknown>')})
};

fetch('https://api.dfns.io/wallets/{walletId}/canton/ledger-api', 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.dfns.io/wallets/{walletId}/canton/ledger-api",
  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([
    'resource' => '<string>',
    'body' => '<unknown>'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "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.dfns.io/wallets/{walletId}/canton/ledger-api"

	payload := strings.NewReader("{\n  \"resource\": \"<string>\",\n  \"body\": \"<unknown>\"\n}")

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

	req.Header.Add("Authorization", "Bearer <token>")
	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.dfns.io/wallets/{walletId}/canton/ledger-api")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"resource\": \"<string>\",\n  \"body\": \"<unknown>\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.dfns.io/wallets/{walletId}/canton/ledger-api")

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

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

response = http.request(request)
puts response.read_body

POST

wallets

{walletId}

canton

ledger-api

Proxy a request to the Canton Ledger API

curl --request POST \
  --url https://api.dfns.io/wallets/{walletId}/canton/ledger-api \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "resource": "<string>",
  "body": "<unknown>"
}
'

import requests

url = "https://api.dfns.io/wallets/{walletId}/canton/ledger-api"

payload = {
    "resource": "<string>",
    "body": "<unknown>"
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({resource: '<string>', body: JSON.stringify('<unknown>')})
};

fetch('https://api.dfns.io/wallets/{walletId}/canton/ledger-api', 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.dfns.io/wallets/{walletId}/canton/ledger-api",
  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([
    'resource' => '<string>',
    'body' => '<unknown>'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "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.dfns.io/wallets/{walletId}/canton/ledger-api"

	payload := strings.NewReader("{\n  \"resource\": \"<string>\",\n  \"body\": \"<unknown>\"\n}")

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

	req.Header.Add("Authorization", "Bearer <token>")
	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.dfns.io/wallets/{walletId}/canton/ledger-api")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"resource\": \"<string>\",\n  \"body\": \"<unknown>\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.dfns.io/wallets/{walletId}/canton/ledger-api")

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

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

response = http.request(request)
puts response.read_body

Authentication

✅ Organization User (CustomerEmployee)
✅ Delegated User (EndUser)
✅ Service Account

Required Permissions

Wallets:Read: Always required.

Authorizations

Authorization

string

header

required

Bearer Token: Used to authenticate API requests. More details how to generate the token: Authentication flows

Path Parameters

walletId

string

required

Wallet id.

Required string length: 1 - 64

Body

application/json

requestMethod

enum<string>

required

The HTTP method used against the Canton Ledger API.

Available options:

GET,

POST

resource

string

required

The Canton Ledger API resource path, beginning with /v2/ (e.g. /v2/state/active-contracts).

Minimum string length: 1

body

any

Optional JSON body, forwarded verbatim for POST resources. Must be omitted for GET resources.

Response

200 - application/json

Success

Last modified on August 6, 2026

⌘I

API Authorization

Identity & Access Management

Wallets & Transactions

Management

Webhooks

Proxy a request to the Canton Ledger API

Authentication

Required Permissions

Authorizations

Path Parameters

Body

Response

​Authentication

​Required Permissions

Authorizations

Path Parameters

Body

Response

Authentication

Required Permissions