of the previous 20 created addresses. Developer Documentation (English get started with Bitcoin). BTC conversions to EUR, USD and other currencies are almost im internet einfach und schnell geld verdienen immediate with zero charge-backs period. Please note, this will not increase the number of addresses that will be monitored by our servers. Bitcoin Payment Box (iframe send bitcoins to the address in the payment box below and you will see how it changes. 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. Callback domains which appear dead or never return the ok response may be blocked from the service. However, all funds will still show within the same account. Confs is another optional parameter indicating how many confirmations a block should have when a notification is sent. The height at which a notification should be sent. As defined in BIP 44, wallet software will not scan past 20 unused addresses.
This simple setup is within reach of almost all users and can fulfill the needs of many clients. 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. For example, if purchasing a product, we would show the order as successful at zero confirmations (the first callback, but do not echo ok yet but only ship the product when 4 or more confirmations are reached. Beyond that, keeping your bitcoins secure is mainly a matter of securing your wallet and using https or other secure protocols to send payment requests to customers. Payment Box, etc (use customize options). Derive an unused address using your xPub: curl have your customer send bitcoin to the address contained in the response: Response: 200 OK, application/json pHP Example, full source code (PHP, Python, Ruby) secret 'Zzsmlgke162CfA5EcG6j my_xpub 'your xpub address my_api_key 'your API KEY my_callback_url 'cret; root_url. Currency Conversion Use the Exchange Rates API to convert values in local currencies to BTC. Our straight-forward API uses common standards and we have sample codes available for PHP, Java, Rubby, Perl, Go, Groovy. When making API calls, use the xPub for this account ( located in Settings - Addresses - Manage - More Options - Show xPub ). Callback domains which appear dead or never return the ok response may be blocked from the service).