Application programming interface

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Writing a GPU Bitcoin mining client (learning purposes)

I want to write a basic GPU miner from scratch for learning purposes. By "from scratch" I don't mean that I am unwilling to use libraries but I want it to be similar to real GPU mining software, and ...
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1answer
38 views

Is there an API that supports different Bitcoin wallets?

Is there an API that has sending and receiving functionality of different Bitcoin wallets such as Coinbase, Bitcoin wallet, etc... Or would I have to manually incorporate each wallet API myself?
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1answer
26 views

Bitcoind server connection [closed]

I have successfully installed bitcoind and bitcoin-cli on my windows PC (running testnet). I now have a locally networked computer running Debian, which is also hosting a web server. I am trying to ...
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21 views

Blockchain.info not sending my IPN to my website

Ok, so I have set up my blockchain.info API. But when I send a payment to the address given, it doesnt send the data. I use the exact same settings and callback in the testing, and it works amazingly. ...
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1answer
19 views

Retrieving BitCoin Payments, Confirmation Question

I'm receiving BitCoin payments via the blockchain.info api. I notice it sends a confirmations parameter, and it also continues to call the callback url until the response is *ok*. Instead of ...
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1answer
68 views

Problems with Blockchain API

Im having problems because when a user pay to a forwarding address, the forward address receives bitcoins instantly, but takes nearly 1 hour to send those bitcoins to the destination address, the real ...
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11 views

BitCoin Api, Result Keys,BitCoin Protocol documentation

I am developing android application using https ://blockchain.info/api. i am having problem to understand the Keywords used in result for https: //blockchain.info/address/$bitcoin_address?format=json. ...
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1answer
36 views

BlockChain API playground OR SandBox?

I am android developer. I have used https://blockchain.info/api/blockchain_wallet_api API for my application But the problem is now how can I test my application (transactions) with out having ...
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1answer
24 views

What's the point of the hash160 field in blockchain.info API?

I've been wondering who/what could use the hash160 field of the blockchain.info API. For example, for the address "1N3Xxt13zbDLU66aSBiMB7AjRW1UiUFAau", the hash160 value is ...
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1answer
46 views

Blockchain API whitelist all IP addresses

I am currently trying to implement the blockchain API in my application. I have done this successfully however, I am having trouble whitelisting IPs. Each time a user accesses the app with a different ...
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15 views

Good API for making shareware that accepts bitcoin?

Are there any good APIs for accepting Bitcoin within Qt or similar such applications, for making paid shareware applications?
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35 views

What's the best way to integrate bitcoin API's into a wordpress site?

I'm fairly new to coding, I understand the philosophy but I'm lacking practical application, Does anyone know any practical guides that will help me? I've completed most codeacademy courses.
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2answers
62 views

Pushing tx to the network via AJAX, without installing bitcoin

Is there any web service anywhere that allows me to push raw transactions to the network via an ajax call? Blockchain's pushtx only works if you copy/paste so I can't build around it.
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2answers
59 views

Send Bitcoin payments to any bank via API

I am looking into paying our overseas suppliers via bitcoin to speed up the process of settling invoices. The issue is that I don't want them to have to deal with bitcoin themselves. My question is ...
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3answers
98 views

How to pay no fees?

Is there any API where I can create some addresses and making a transaction beetween them just once a month without paying fees? Or if you can recommend me somewhere with a fee under 5000 satoshis it ...
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1answer
43 views

Uncaught exception 'Coinbase_ApiException' with message 'Status code 401'

I am using magento extension of coinbase bitcoin for my sandbox account. But whenever I am trying to place an order on my store I am getting following error : Fatal error: Uncaught exception ...
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2answers
77 views

Setting up a basic test transaction for p2p donation web app - API recommendation

My question relates to the use case of trying to build a simple payment flow where one user (a donor) can donate directly to another user (a recipient) with Bitcoin. To begin with, I would like to ...
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2answers
63 views

Is it possible to have a single input or output with multiple addresses

I've seen in more than one Blockchain API provider's specs where the transaction inputs and outputs are in the following format: addresses: ARRAY The address (or addresses in the case of multi-sig) ...
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0answers
112 views

How to add blockchain.info API key to pibitcointools

I have a query-intensive app I'm building that keeps timing out with the message: Traceback (most recent call last): File "test.py", line 72, in <module> array = bitcoin.multiaccess ...
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1answer
69 views

Using bitcore to create a transaction with two addresses and change address

I'm playing around with bitcore transactions and multi-sig transactions and was wondering how to send a transaction to more than one address, and keep the change. Currently when I try to send the ...
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1answer
36 views

Public API to verify transactions to a unique address as they occur?

I'm creating a WordPress plugin for bitcoin donations. I want it to behave similar to the checkout process for many bitcoin shopping carts, where the QR code is displayed then once the user scans and ...
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18 views

Where to get a list of NXT public open nodes where I can use to query its API?

I'm building an application that needs to connect to the NXT NRS server to query its API. Is there a list of publicly open nodes that I can use? I understand the security risks, which is why I plan ...
2
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1answer
87 views

Bitcoin API with mixing service

I'm looking for an API that can hide where my received money goes, for privacy reasons. I don't want my customers to be able to see how much money I've received. Blockchain used to have a mixing ...
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1answer
219 views

Blockchain Receive Payments API Not Working

I want to accept payments with the Blockchain Receive Payments API (https://blockchain.info/api/api_receive) but I can't seem to figure out how to work it. I cannot test it too much because there is a ...
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1answer
60 views

How do I use Bitnode API?

I just started running a full node and was wondering how to use these commands to verify my node: https://getaddr.bitnodes.io/api/ Specifically, what command line or IDE do I need to type these ...
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32 views

Blockchain API - can I use it to find out number of transactions above amount x sent to an address?

I understand I can use the Blockchain API GET command to get the number of transactions that have been sent to an address (n_tx), but can I use the API to only return transactions in this count that ...
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1answer
30 views

Xemian Xchange Api for Java, returning a default of 100 market orders

For sometime I am using this java API http://xeiam.com/xchange/ for building bitcoin trading robots. Today I got a bit stuck and I wanted to see if somebody had the same issue before. I call the ...
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2answers
90 views

Bitcore Testnet API

Does anyone know if Bitcore offer a testnet API to play around with? I'm implementing an Escrow system using the API and Node.js and don't particularly want to use real Bitcoins. Thanks.
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2answers
82 views

Bitfinex API limit

There is currently an API limit of 60 requests per minute on Bitfinex. Question is whether this limit is related to: 1) single IP address, If so, can I have more IPs linked to one account each of ...
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24 views

listsinceblock returning block on fork

Im considering using listinceblock to monitor incoming bitcoins to my app. What happens if the block returned by listsinceblock ends up being on a dead-end fork?
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2answers
134 views

What Ripple API libraries are available?

I am wondering, what libraries are out there for communicating with Ripple through its API (either websocket or JSON RPC)?
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1answer
89 views

Send download link of a file after Bitcoin payment

I'm starting an online business. My website is hosted on OVH I would like to send a download link after a bitcoin payment. Are there specific stuffs I should be aware of? Is this difficult to ...
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1answer
57 views

blockchain webgame - use api or actual blockchain to build database?

I am currently designing a blockchain based web game, and part of the game is to display data from the blockchain in table format on the site. The data will be updated peroidically, or in short ...
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2answers
117 views

Bitfinex 400 error

string url = @"https://api.bitfinex.com/v1/balances"; string paramDict = "{\"request\": \"/v1/balances\",\"nonce\": \"" + GetNonce() * 10000 + "\"}"; string payload ...
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1answer
61 views

Does createrawtransction accept scriptPubKey and redeemScript as inputs?

According to the built-in RPC documentation the signature for createrawtransaction is: createrawtransaction [{"txid":"id","vout":n},...] {"address":amount,...}. Gavin in his example on 2-of-3 ...
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1answer
93 views

c# BitcoinLib: GetRawTransaction verbose=1 does not work

I want to find out confirmation number for non-wallet transaction. When I use ...
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1answer
114 views

How to get the list of transactions that has gone into an address with the amount and date?

How to get the list of transactions that has deposited funds in an address, including information about the amount that has been deposited (sent towards my address not sent away from it), and the date ...
2
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1answer
174 views

accept bitcoin payments for orders without 3rd party software

I've been searching for an open-source alternative to blockchain.info's Receive Payments API (https://blockchain.info/api/api_receive). I want to run bitcoind on my own server and have payments ...
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1answer
29 views

What is NXT's “lessor”?

While reading NXT's API wiki page I came across something called a "lessor", but I can't find its definition anywhere. What is a lessor?
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1answer
51 views

Mastercoin API - what to use?

I am interested in communicating with the Mastercoin network through an API to control various assets. In Bitcoin, I would run the Bitcoin daemon and use the documented API. For Mastercoin, I'm ...
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2answers
134 views

Historical BTC data in JSON

As of now, the only API I can find that serves historical data is https://blockchain.info/charts/market-price?timespan=60days&format=json. It only uses USD, and I need to serve non-USD data. My ...
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2answers
99 views

Help me understand Bitcoin analytics [closed]

I'm trying to use the Blocktrail API to look at the oldest Bitcoin addresses to create a info graph piece - besides looking at historical transactions, what else would be good for me to analyze? \\ ...
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0answers
130 views

Blockchain Receive Payments API: How to send money to input_address?

I use Blockchain's Receive Payments API. It generates input_address and callback works fine. But when I tried to send money to input_address (on the Blockchain Send Money page), it sends money to ...
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1answer
48 views

My balance gets sent back to me [duplicate]

I'm using the blockchain API to make a "send to many transaction". In the recipients I only put other people addresses, but somehow the API sends the remainder of my balance back to me. For example: ...
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28 views

Using API/RPC to identify transactions with inputs from “dormant” addresses

Is it possible to identify, for eg, large transactions of Bitcoin which are using inputs from "dormant" (>24 months) addresses? Certainly it's possible with some coding and API calls but is there a ...
2
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2answers
204 views

Multi-currency wallet api

I need a api or an application that can generate and handle (send/receive and so on...) multi currency wallet. For an example: It can generate dogecoin address, bitcoin address, litecoin address, ...
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0answers
42 views

Bitcoin Wallet Management APIs

I'm working on a proof-of-concept website. I'm planning for each new user to be assigned a new address for depositing funds, and to have a main escrow wallet also. The flow will be User's own ...
1
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1answer
28 views

BTC-E API (Retrieve error)

Is it normal to infrequently see errors retrieving trade/depth history by API from BTC-E? Or should I never see them. I seem to be seeing at least one such error each day, I am running my script on ...
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1answer
255 views

API feed for OHLC / VWAP data in (close to) real-time

I'm interested in the OHLC / VWAP data (both historical and recent) provided via API to be used by external charting application. I don't want to use trades methods as whole process should be as ...
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235 views

Bitfinex API - clarification of “timestamp” in orderbook API request

Does anybody know what value "timestamp" in orderbook POST actually means? The response is structured as follows: bids (array) price (price) amount (decimal) timestamp (time) asks (array) price ...