curl --request GET \
  --url https://api.kraken.com/v0/insto/custody/organizations \
  --header 'api-key: <api-key>' \
  --header 'api-nonce: <api-key>' \
  --header 'api-otp: <api-key>' \
  --header 'api-sign: <api-key>'

import requests

url = "https://api.kraken.com/v0/insto/custody/organizations"

headers = {
    "api-key": "<api-key>",
    "api-sign": "<api-key>",
    "api-nonce": "<api-key>",
    "api-otp": "<api-key>"
}

response = requests.get(url, headers=headers)

print(response.text)

const options = {
  method: 'GET',
  headers: {
    'api-key': '<api-key>',
    'api-sign': '<api-key>',
    'api-nonce': '<api-key>',
    'api-otp': '<api-key>'
  }
};

fetch('https://api.kraken.com/v0/insto/custody/organizations', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

package main

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

func main() {

	url := "https://api.kraken.com/v0/insto/custody/organizations"

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

	req.Header.Add("api-key", "<api-key>")
	req.Header.Add("api-sign", "<api-key>")
	req.Header.Add("api-nonce", "<api-key>")
	req.Header.Add("api-otp", "<api-key>")

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

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

	fmt.Println(string(body))

}

[
  {
    "iiban": "ABCD EFGH IJKL MNOP",
    "name": "Acme Corp",
    "status": "active"
  }
]

{
  "type": "tag:kraken.com,2025:BadRequest",
  "status": 400,
  "title": "Bad Request",
  "data": {
    "message": "Request failed validation."
  },
  "detail": "Request failed validation.",
  "instance": "https://debug.kraken.com/req/01HXYZABCDEF"
}

{
  "type": "tag:kraken.com,2025:PermissionDenied",
  "status": 403,
  "title": "Forbidden",
  "data": {
    "message": "Permission denied."
  },
  "detail": "The caller is not authorized to perform this action.",
  "instance": "https://debug.kraken.com/req/01HXYZABCDEF"
}

{
  "type": "tag:kraken.com,2025:gateway/ReadUpstream",
  "status": 500,
  "title": "Internal Server Error",
  "data": {},
  "detail": "Failed to read response from upstream service.",
  "instance": "https://debug.kraken.com/req/01HXYZABCDEF"
}

{
  "type": "tag:kraken.com,2025:gateway/Connect",
  "status": 503,
  "title": "Service Unavailable",
  "data": {},
  "detail": "Downstream custody service is temporarily unreachable; retry with backoff.",
  "instance": "https://debug.kraken.com/req/01HXYZABCDEF"
}