curl --request POST \
  --url https://api.octav.fi/v1/addressbook \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "entries": [
    {
      "address": "0x6426af179aabebe47666f345d69fd9079673f6cd",
      "label": "Treasury"
    },
    {
      "address": "9WzDXwBbmkg8ZTbNMqUxvQRAyrZzDsGYdLVL9zYtAWWM"
    }
  ]
}
'

import requests

url = "https://api.octav.fi/v1/addressbook"

payload = { "entries": [{
            "address": "0x6426af179aabebe47666f345d69fd9079673f6cd",
            "label": "Treasury"
        }, { "address": "9WzDXwBbmkg8ZTbNMqUxvQRAyrZzDsGYdLVL9zYtAWWM" }] }
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({
    entries: [
      {address: '0x6426af179aabebe47666f345d69fd9079673f6cd', label: 'Treasury'},
      {address: '9WzDXwBbmkg8ZTbNMqUxvQRAyrZzDsGYdLVL9zYtAWWM'}
    ]
  })
};

fetch('https://api.octav.fi/v1/addressbook', 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.octav.fi/v1/addressbook",
  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([
    'entries' => [
        [
                'address' => '0x6426af179aabebe47666f345d69fd9079673f6cd',
                'label' => 'Treasury'
        ],
        [
                'address' => '9WzDXwBbmkg8ZTbNMqUxvQRAyrZzDsGYdLVL9zYtAWWM'
        ]
    ]
  ]),
  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.octav.fi/v1/addressbook"

	payload := strings.NewReader("{\n  \"entries\": [\n    {\n      \"address\": \"0x6426af179aabebe47666f345d69fd9079673f6cd\",\n      \"label\": \"Treasury\"\n    },\n    {\n      \"address\": \"9WzDXwBbmkg8ZTbNMqUxvQRAyrZzDsGYdLVL9zYtAWWM\"\n    }\n  ]\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.octav.fi/v1/addressbook")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"entries\": [\n    {\n      \"address\": \"0x6426af179aabebe47666f345d69fd9079673f6cd\",\n      \"label\": \"Treasury\"\n    },\n    {\n      \"address\": \"9WzDXwBbmkg8ZTbNMqUxvQRAyrZzDsGYdLVL9zYtAWWM\"\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.octav.fi/v1/addressbook")

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  \"entries\": [\n    {\n      \"address\": \"0x6426af179aabebe47666f345d69fd9079673f6cd\",\n      \"label\": \"Treasury\"\n    },\n    {\n      \"address\": \"9WzDXwBbmkg8ZTbNMqUxvQRAyrZzDsGYdLVL9zYtAWWM\"\n    }\n  ]\n}"

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

{
  "data": [
    {
      "address": "0x6426af179aabebe47666f345d69fd9079673f6cd",
      "label": "Treasury",
      "plan": "PRO",
      "expiresAt": "2026-11-01T00:00:00.000Z",
      "isPaid": true
    },
    {
      "address": "9WzDXwBbmkg8ZTbNMqUxvQRAyrZzDsGYdLVL9zYtAWWM",
      "label": "",
      "plan": "FREE",
      "expiresAt": null,
      "isPaid": false
    }
  ]
}

{
  "error": {
    "code": "VALIDATION_ERROR",
    "message": "One or more addresses are invalid"
  }
}

{
  "message": "Unauthorized"
}

{
  "message": "Not enough credits",
  "creditsRequired": 1,
  "creditsAvailable": 0
}

{
  "error": {
    "code": "BUNDLE_NOT_FOUND",
    "message": "Bundle not found"
  }
}

{
  "error": {
    "code": "BUNDLE_ADDRESS_NOT_IN_ADDRESS_BOOK",
    "message": "Not in the address book: 0x1f9840a85d5af5bf1d1762f925bdaddc4201f984. Add them before bundling them.",
    "addresses": [
      "0x1f9840a85d5af5bf1d1762f925bdaddc4201f984"
    ]
  }
}

{
  "error": {
    "code": "INTERNAL_ERROR",
    "message": "Error while fetching the address book"
  }
}