Create Vault Address - DFNS documentation

Create Vault Address

curl --request POST \
  --url https://api.dfns.io/vaults/{vaultId}/addresses \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'X-DFNS-USERACTION: <api-key>' \
  --data '{}'

import requests

url = "https://api.dfns.io/vaults/{vaultId}/addresses"

payload = {}
headers = {
    "Authorization": "Bearer <token>",
    "X-DFNS-USERACTION": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {
    Authorization: 'Bearer <token>',
    'X-DFNS-USERACTION': '<api-key>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({})
};

fetch('https://api.dfns.io/vaults/{vaultId}/addresses', 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/vaults/{vaultId}/addresses",
  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([
    
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json",
    "X-DFNS-USERACTION: <api-key>"
  ],
]);

$response = curl_exec($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/vaults/{vaultId}/addresses"

	payload := strings.NewReader("{}")

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

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("X-DFNS-USERACTION", "<api-key>")
	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/vaults/{vaultId}/addresses")
  .header("Authorization", "Bearer <token>")
  .header("X-DFNS-USERACTION", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.dfns.io/vaults/{vaultId}/addresses")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["X-DFNS-USERACTION"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{}"

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

{
  "walletId": "<string>",
  "network": "<string>",
  "address": "<string>"
}

POST

/

vaults

/

{vaultId}

/

addresses

Create Vault Address

curl --request POST \
  --url https://api.dfns.io/vaults/{vaultId}/addresses \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'X-DFNS-USERACTION: <api-key>' \
  --data '{}'

import requests

url = "https://api.dfns.io/vaults/{vaultId}/addresses"

payload = {}
headers = {
    "Authorization": "Bearer <token>",
    "X-DFNS-USERACTION": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {
    Authorization: 'Bearer <token>',
    'X-DFNS-USERACTION': '<api-key>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({})
};

fetch('https://api.dfns.io/vaults/{vaultId}/addresses', 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/vaults/{vaultId}/addresses",
  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([
    
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json",
    "X-DFNS-USERACTION: <api-key>"
  ],
]);

$response = curl_exec($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/vaults/{vaultId}/addresses"

	payload := strings.NewReader("{}")

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

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("X-DFNS-USERACTION", "<api-key>")
	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/vaults/{vaultId}/addresses")
  .header("Authorization", "Bearer <token>")
  .header("X-DFNS-USERACTION", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.dfns.io/vaults/{vaultId}/addresses")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["X-DFNS-USERACTION"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{}"

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

{
  "walletId": "<string>",
  "network": "<string>",
  "address": "<string>"
}

Authentication

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

Required Permissions

Vaults:Create: Always required.

Authorizations

Authorization

string

header

required

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

X-DFNS-USERACTION

string

header

required

User Action Signature: Used to sign the change-inducing API requests. More details how to generate the token: User Action Signing flows

Path Parameters

vaultId

string

required

Vault id.

Required string length: 1 - 64

Pattern: ^vlt-[a-z0-9]{5}-[a-z0-9]{5}-[a-z0-9]{14,16}$

Body

application/json

network

enum<string>

required

Available options:

ArbitrumOne,

ArbitrumSepolia,

ArcTestnet,

Areum,

AvalancheC,

AvalancheCFuji,

Base,

BaseSepolia,

Berachain,

BerachainBepolia,

Bitcoin,

BitcoinSignet,

BitcoinTestnet4,

Bob,

BobSepolia,

Bsc,

BscTestnet,

Celo,

CeloAlfajores,

Codex,

CodexSepolia,

Ethereum,

EthereumClassic,

EthereumClassicMordor,

EthereumSepolia,

EthereumHoodi,

FlareC,

FlareCCoston2,

FlowEvm,

FlowEvmTestnet,

Ink,

InkSepolia,

Optimism,

OptimismSepolia,

Plasma,

PlasmaTestnet,

Plume,

PlumeSepolia,

Polygon,

PolygonAmoy,

Rayls,

RaylsTestnet,

Robinhood,

RobinhoodSepolia,

SeiAtlantic2,

SeiPacific1,

Solana,

SolanaDevnet,

Sonic,

SonicTestnet,

Tempo,

TempoModerato,

Tsc,

TscTestnet1,

Xdc,

XdcApothem,

XLayer,

XLayerSepolia

Response

200 - application/json

Success

Vault address object.

walletId

string

required

network

string

required

address

string

required

Last modified on September 11, 2026