Bitcoin receive payment api

Bitcoin Payments API — 101

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You provide an extended public key xPub and we generate a unique, unused corresponding address for your customers to send payment to. We notify you of payments to bitcoin receive payment api address instantly using a callback URL of your choosing.

One of the difficulties involved with receiving bitcoin payments is the need to generate a unique address for each new user or invoice. These addresses need to monitored and stored securely. The blockchain receive payments API takes care of the generation and monitoring of addresses.

We will notify your server using a simple callback whenever a payment is received. The easiest way to start receiving bitcoin receive payment api is to open a Blockchain Wallet at https: You should create a new account inside your wallet exclusively for transactions facilitated by this API. This method creates a unique address which should be presented to the customer. For any payments sent to this address, you will be sent an HTTP notification.

This bitcoin receive payment api done so you do not show the same address to two different customers. However, all funds will still show within the same account. As defined in BIP 44, wallet software will not scan past 20 unused addresses. Given enough requests from this API that bitcoin receive payment api have a matching payment, you could generate addresses past this horizon, which would make spending funds paid to those addresses quite difficult.

For this reason, this API will return an error and refuse to generate new addresses if it detects it would create a gap of over 20 unused addresses.

If you encounter this error, you will either need to switch to a new xPub within the same wallet is fineor receive a payment to one of the previous 20 created addresses. Please note, this will not increase the number of addresses that will be monitored by our servers. Using this feature will require you understand the gap limitation and how to handle it for advanced users only:.

You will be sent an HTTP notification immediately when a transaction is made, and subsequently when it reaches the number of confirmations specified in the request. You are required to specify the request's notification behaviour. Setting the behaviour bitcoin receive payment api 'DELETE' will delete the request after the first relelvant notification is sent to your callback address. Setting the behaviour to 'KEEP' will send additional notifications every time a transaction with the specified confirmations and operation type is sent to or from the address in the request.

Operation type is an optional parameter indicating whether the address will be monitored for received or spent transactions, or both. By default both operation types are monitored. You may also optionally specify the number of confirmations a transaction reaches before being sent a notification.

Note that you will receive a notification at 0 confirmations i. This method allows you to request callbacks when a new block of a specified height and confirmation number is added to the blockchain. Height is an optional bitcoin receive payment api indicating at which height you would like to receive a block notification - if unspecified, this will be the height bitcoin receive payment api the next block to arrive.

Confs is another optional parameter indicating how many confirmations a block should have when a notification is sent. When a payment is received by a generated address, or by an address monitored by a balance update request, blockchain. For balance update callbacks and additional notification will be sent once the transaction reaches the specified number of confirmations.

A block notification is sent every time a new block is added to the blockchain, and matches the height and number of confirmations set in the notification request.

If the server responds with anything else, or nothing, the callback will be resent again for every new block approximately every 10 minutes up to times 1 week. Check the index gap between last address paid to and the last address generated using the using the checkgap endpoint. Use the xpub you want to check and your API key like so:. Use the exact callback in question and your API key like so:. A custom secret parameter should be included in the callback URL. The secret will be passed back to the callback script when the callback is fired, and should be checked by your code for bitcoin receive payment api.

This prevents someone from trying to call your servers bitcoin receive payment api falsely mark an invoice as 'paid'.

The Demo Apps below include examples of how to do this. If you would like convert payments received in Bitcoin to fiat currency quickly use a bitcoin address from an exchange wallet. A double spend occurs when a malicious user spends the same BTC twice. A payment that initial appears successful could be reversed at a later date. This is counteracted by waiting for the transaction to be included in the blockchain and reaching a number of confirmations.

It is recommended you bitcoin receive payment api the transaction at zero confirmations but only trust the transaction after one confirmation. See the PHP demo callback. There is no limit to the number of receiving address which can be generated as long as the 20 address gap limitation is metthe service is designed to monitor millions of addresses.

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We calculate how much bitcoins it is worth, in real-time, by selecting the best price from several Bitcoin exchanges. CoinGate Point of Sale app allows you to accept Bitcoin payments in your retail business using an Android app or an iOS app on a smartphone or a tablet, or using any kind of internet enabled device with an internet browser.

Plugins, modules and extensions for various e-commerce shopping cart platforms allow you to integrate Bitcoin payments seamlessly into your existing online store. CoinGate payment buttons allow you to accept Bitcoin donations and other simple payments on your website. Bitcoin payments are irreversible by design. Bitcoin payments do not rely on trusting the person making the payment, so there is no need to collect private information about your Customers to accept their payments. Bitcoin enables you to choose how little or how much you want to know about your Customers.

People using Bitcoin are usually very supportive of companies accepting Bitcoin payments. This helps to attract new Customers and to increase your sales. Click here for tips on how to best promote your Business and to get the most from accepting Bitcoin payments.

Withdraw EUR using this method. Your bank may charge a fee for receiving payments, you should contact your bank to inquire about their fees.

Buy Bitcoin with Credit Card. Step 2 We calculate how much bitcoins it is worth, in real-time, by selecting the best price from several Bitcoin exchanges. Step 3 Your Customer pays with bitcoins and Altcoins.

Step 4 You receive 9. Bitcoin Point of Sale CoinGate Point of Sale app allows you to accept Bitcoin payments in your retail business using an Android app or an iOS app on a smartphone or a tablet, or using any kind of internet enabled device with an internet browser. E-commerce Plugins Plugins, modules and extensions for various e-commerce shopping cart platforms allow you to integrate Bitcoin payments seamlessly into your existing online store.

Payment Buttons CoinGate payment buttons allow you to accept Bitcoin donations and other simple payments on your website. Irreversible Payments Bitcoin payments are irreversible by design. Customer Privacy Bitcoin payments do not rely on trusting the person making the payment, so there is no need to collect private information about your Customers to accept their payments.

Additional Customers People using Bitcoin are usually very supportive of companies accepting Bitcoin payments. You will have to pay all transaction fees. We will pay the Bitcoin network transaction fee. The vast majority of bitcoins held by CoinGate are stored in Cold Storage.

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