Generate Address's

get
https://blockchainapi.org
/api/btc?method=create
Generate an address
The following block shows an example of the request URL:
​https://blockchainapi.org/api/btc?method=create&address_type=bech32&address=3G7vZbcC7L74UsFz62Hr4NC9nVZNfh7tQ3&callback=https://example.com/callback?invoice=1&secret=ewfi9sdufjmds 
Note: make sure you place your callback URL last or it will not set correctly
Example code
PHP
Python
Node JS
C#
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<?php
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 $secret = "7j0ap91o99cxj8k9";
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 $my_address = "1LisLsZd3bx8U1NYzpNHqpo8Q6UCXKMJ4z";
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 $addressType = "bech32"; // bech32 | legacy | p2sh-segwit
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 $my_callback_url = "http://example.com/callback?invoice_id=1234&secret=" . $secret;
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 $api_base = "https://blockchainapi.org/api/btc";
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 $curl = curl_init();
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 curl_setopt_array($curl, array(
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 CURLOPT_RETURNTRANSFER => 1,
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 CURLOPT_URL => $api_base . "?method=create&address_type=".$addressType."&address=" . $my_address . "&callback=" . $my_callback_url
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 ));
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 $response = curl_exec($curl);
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 $http_status_code = curl_getinfo($curl, CURLINFO_HTTP_CODE);
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 curl_close($curl);
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 if ($http_status_code == 200) {
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 $decoded = json_decode($response, true);
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 echo "Please send the payment to the following Bitcoin address: " . $decoded["success"]["input_address"];
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 echo "The current estimated fee is: ".$decoded["success"]["estimated_transaction_fee"].' BTC';
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 } else {
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 echo "Sorry, an error occurred: " . $response["error"];
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 }
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?>
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# Importing the requests library 
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import requests 
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# Api-endpoint 
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URL = "https://blockchainapi.org/api/btc?method=create"
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# Parameters 
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myAddress = "1LisLsZd3bx8U1NYzpNHqpo8Q6UCXKMJ4z"
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mySecret = "7j0ap91o99cxj8k9"
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myCallback = "http://example.com/callback?invoice_id=1234&secret=" + mySecret
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# Defining a params dict for the parameters to be sent to the API 
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PARAMS = {'address':myAddress, 'callback':myCallback} 
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# Sending get request and saving the response as response object 
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r = requests.get(url = URL, params = PARAMS) 
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# Extracting data in json format 
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data = r.json() 
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# Extracting input_address & estimated_transaction_fee
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input_address = data['success']['input_address']
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estimatedFee = data['success']['estimated_transaction_fee']
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# Printing the output 
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print("Please pay to the following address: %s\nThe estimated fee in BTC is: %s"
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 %(input_address, estimatedFee))
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const request = require('request');
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const http = require('http');
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​
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// Define our custom values
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var my_address = "1LisLsZd3bx8U1NYzpNHqpo8Q6UCXKMJ4z";
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var my_address_type = "bech32"; // bech32 | legacy | p2sh-segwit
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var my_secret = "H78SY8DIJIDAID8JHD";
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var my_callback = "http://example.com/callback?invoice_id=1234&secret=" + my_secret;
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​
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// BlockchainAPI endpoint
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let endpoint = 'https://blockchainapi.org/api/btc?method=create&address=' + my_address + "&address_type=" + my_address_type + "&callback=" + my_callback;
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​
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// Request options
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let options = {json: true};
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​
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// Define server variables
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var port = 8181;
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var hostname = "localhost";
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​
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var input_address = "";
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var destination = "";
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var fee_percentage = "";
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var callback_url = "";
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var estimated_transaction_fee = "";
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var miners_fee = "";
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var tor = "";
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var setting = "";
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​
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request(endpoint, options, (error, res, body) => {
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​
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 if (error) {
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 return console.log(error)
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 };
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​
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 if (!error && res.statusCode == 200) {
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 // do something with JSON, using the 'body' variable
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 var response = JSON.parse(JSON.stringify(body));
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 if(response.success) {
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 // Good, we managed to create an address
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 console.log('Good, we managed to get a success response');
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​
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 // Now dig into the values
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 input_address = response.success.input_address;
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 destination = response.success.destination;
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 fee_percentage = response.success.fee_percent;
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 callback_url = response.success.callback_url;
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 estimated_transaction_fee = response.success.estimated_transaction_fee;
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 miners_fee = response.success.miners_fee;
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 tor = response.success.tor;
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 setting = response.success.setting;
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​
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 } else {
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 // Failed to get success response
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 console.log('Bad, failed to get success response');
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 }
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 };
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});
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​
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// Initialise the server on port 8181
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const server = http.createServer((req, res) => {
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 res.statusCode = 200;
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 res.setHeader('Content-type', 'text/html');
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​
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 // Show the "Please send the payment to..."
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 if(input_address !== null) {
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 res.write('<p>Please send the payment to the following Bitcoin address: ' + input_address + '</p>');
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 } else {
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 res.write('<p>Failed to create a new address to pay to</p>');
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 }
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 res.end('Page fully loaded');
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});
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​
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server.listen(port, hostname, () => {
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 console.log(`Server running at http://${hostname}:${port}/`);
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});
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using System;
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using System.Net;
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using System.IO;
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using Newtonsoft.Json;
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public class Program
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{
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 public static void Main()
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 {
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 string html = string.Empty;
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 string my_secret = "7j0ap91o99cxj8k9";
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 string my_callback = "http://example.com/callback?invoice_id=1234&secret=" + my_secret;
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 string my_address_type = "bech32"; // bech32 | legacy | p2sh-segwit
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 string my_address = "1LisLsZd3bx8U1NYzpNHqpo8Q6UCXKMJ4z";
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 string endpoint = @"https://blockchainapi.org/api/btc?method=create&address_type=" + my_address_type + "&address=" + my_address + "&callback=" + my_callback;
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​
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 HttpWebRequest request = (HttpWebRequest)WebRequest.Create(endpoint);
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 request.AutomaticDecompression = DecompressionMethods.GZip;
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​
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 using (HttpWebResponse response = (HttpWebResponse)request.GetResponse())
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 using (Stream stream = response.GetResponseStream())
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 using (StreamReader reader = new StreamReader(stream))
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 {
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 html = reader.ReadToEnd();
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​
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 // Check if we found a success response
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 dynamic result = JsonConvert.DeserializeObject(html);
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​
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 string address = result.success.address;
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​
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 Console.Write("Send the payment to the following address: " + address);
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 }
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 }
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}
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Receiving Callbacks
Last modified 3mo ago
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Generate an address
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