Maestro Docs

UTxO references at an address

curl --request GET \
  --url https://mainnet.gomaestro-api.org/v1/addresses/{address}/utxo_refs \
  --header 'api-key: <api-key>'

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

fetch('https://mainnet.gomaestro-api.org/v1/addresses/{address}/utxo_refs', 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://mainnet.gomaestro-api.org/v1/addresses/{address}/utxo_refs",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "api-key: <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"
	"net/http"
	"io"
)

func main() {

	url := "https://mainnet.gomaestro-api.org/v1/addresses/{address}/utxo_refs"

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

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

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

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

	fmt.Println(string(body))

}

require 'uri'
require 'net/http'

url = URI("https://mainnet.gomaestro-api.org/v1/addresses/{address}/utxo_refs")

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

request = Net::HTTP::Get.new(url)
request["api-key"] = '<api-key>'

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

{
  "data": [
    {
      "tx_hash": "b24743fb4b5381971ee8b3d02a3fd5e783acdb5a21cd2d22d192ec84e7e279fc",
      "index": 0
    },
    {
      "tx_hash": "e2e91c7be8239b9f52fadec8df627fe759d21e5b6559c3ec06d8120f1366e075",
      "index": 0
    }
  ],
  "last_updated": {
    "timestamp": "2022-10-10 20:25:28",
    "block_hash": "8b78a8e4f3f097a6a6fcb20901326b660e4c8b2d4a45f77dea3f2c6e223adf96",
    "block_slot": 32266099
  },
  "next_cursor": null
}

GET

/

addresses

/

{address}

/

utxo_refs

UTxO references at an address

curl --request GET \
  --url https://mainnet.gomaestro-api.org/v1/addresses/{address}/utxo_refs \
  --header 'api-key: <api-key>'

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

fetch('https://mainnet.gomaestro-api.org/v1/addresses/{address}/utxo_refs', 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://mainnet.gomaestro-api.org/v1/addresses/{address}/utxo_refs",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "api-key: <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"
	"net/http"
	"io"
)

func main() {

	url := "https://mainnet.gomaestro-api.org/v1/addresses/{address}/utxo_refs"

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

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

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

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

	fmt.Println(string(body))

}

require 'uri'
require 'net/http'

url = URI("https://mainnet.gomaestro-api.org/v1/addresses/{address}/utxo_refs")

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

request = Net::HTTP::Get.new(url)
request["api-key"] = '<api-key>'

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

{
  "data": [
    {
      "tx_hash": "b24743fb4b5381971ee8b3d02a3fd5e783acdb5a21cd2d22d192ec84e7e279fc",
      "index": 0
    },
    {
      "tx_hash": "e2e91c7be8239b9f52fadec8df627fe759d21e5b6559c3ec06d8120f1366e075",
      "index": 0
    }
  ],
  "last_updated": {
    "timestamp": "2022-10-10 20:25:28",
    "block_hash": "8b78a8e4f3f097a6a6fcb20901326b660e4c8b2d4a45f77dea3f2c6e223adf96",
    "block_slot": 32266099
  },
  "next_cursor": null
}

Authorizations

api-key

string

header

required

Project API Key

Path Parameters

address

string

required

Address in bech32 format

Query Parameters

count

integer | null

default:100

The max number of results per page

Required range: x >= 0

order

enum<string> | null

default:asc

The order in which the results are sorted (by slot at which UTxO was produced)

Available options:

asc,

desc

from

integer<int64> | null

Return only UTxOs created on or after a specific slot

Required range: x >= 0

to

integer<int64> | null

Return only UTxOs created on or before a specific slot

Required range: x >= 0

cursor

string | null

Pagination cursor string, use the cursor included in a page of results to fetch the next page

Response

UTxO references for all the unspent transaction outputs at an address

A paginated response. Pass in the next_cursor in a subsequent request as the cursor query parameter to fetch the next page of results.

data

object[]

required

Endpoint response data

Show child attributes

last_updated

object

required

Details of the most recent block processed by the indexer (aka chain tip); that is, the data returned is correct as of this block in time.

Show child attributes

next_cursor

string | null

Pagination cursor