Application programming interface

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18 views

Coin-agnostic API?

Are there any open APIs that connect to different cryptocurrencies, either with built-in capability or flexibility for plugins? Most APIs appear engineered for only one currency, usually just doge or ...
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9 views

Blockchain Pairing API

Have anyone of you figured out how can we use devices pairing in 3rd party applications? I've found that pairing QRCode looks like this: "1|<blockchain_login>|<some_hash>", where ...
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28 views

Is there an API that provides this functionality?

Sorry I couldn't make my title more descriptive, but it might be a little long winded. What I need is the following, and preferably an API that can support the popular crypto currencies, not just ...
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14 views

Problems accessing BTCE api after certificate change?

I used to have a bot that interacted with the btce api through java/netbeans, and then after the MtGox fiasco I shut it down for a while. Now I am trying to start it back up, but while bitstamp and ...
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1answer
33 views

How to send money using blockchain API?

I am not very familiar with php but I just want to know how this works. I am trying to use the blockchain API to send some money for testing purposes but the transaction isn't taking place. My current ...
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13 views

Is there a NXT api library where i can query addresses and make transactions to/from?

Is there an external library/site where I can make NXT api calls to retrieve balances and other data? Main reason im asking is because i dont want to install the NXT application on my server just to ...
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1answer
41 views

Does Cryptsy reuses market IDs?

Cryptsy has a lot of markets. Each market has its own ID. Now markets have an ID in the range [1,220]. Sometimes old markets are deleted. Are the IDs of that markets reused or not? I have the same ...
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1answer
20 views

How to auto deposit bitcoins on btc-e?

BTC-e gives a new address to send to for every time a deposit is to be made. These addressees can be accesses through this url: Bitcoin deposit authentication required I am currently using python to ...
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1answer
76 views

Cryptsy, Mintpal, Bittrex API - how many requests can I do?

Cryptsy, Mintpal and Bittrex have public APIs. How many requests per second or minute can I do to these APIs?
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1answer
17 views

how to concat our website url in our bit coin transaction in blockchain send api

Hi im using block chain send api in my web application, and it is working fine without any issues. My requirements is when the payment is done thought blockchain send api, is it possible to concat our ...
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1answer
28 views

How is BID and ASK Calculated for crypto currencies?

I am trying to create a graph to moniter order data, similar to: http://www.cryptocoincharts.info/orderbook.php?pair=pc-btc&market=bittrex I am using the cryptsy api ...
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1answer
29 views

API Bitfinex question: “key amount should be a decimal string”?

I started writing code for the Bitfinex api yesterday and I've been struggling quite a lot with this. I am using jndok's python implementation. I added my pyblic and secret keys and wrote this line ...
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1answer
25 views

Where is the exact code part of the walletnotify function?

I'm new on the BTC project, so please spare me if I asked something newbies. I downloaded the latest 0.92 BTC source code and trying to make a customize to the walletnotify function for myself while ...
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19 views

Does btc2ripple have some API documentation?

I know that RippleTrade allows one to fund their account through btc2ripple without registering at their website. Do they have some API documentation as to what calls they support?
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1answer
55 views

what is Create wallet using blockchain api (PHP)

Im wondering to know, what is use of Create wallet programitically Block chain API Block Chain api here What it will provide? Where can i get the api code? Any tutorials ? Can i provide my ...
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20 views

Best way to handle transferring Bitcoins to and from clients?

I am making a website that involves storing amounts of Bitcoin sent to me and also sending it back to the same client. I have some questions: Is BitcoinJ is a good API for this? (I am most proficient ...
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1answer
129 views

BitFinex API call returns 400 bad request

Trying to get authentication with BitFinex to work. Docs here: https://www.bitfinex.com/pages/api Say the client wants to make a request to POST https://api.bitfinex.com/v1/order/new ...
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1answer
30 views

Wallet programming, search transactions by address

This may be a silly question, but I keep running in circles. Using either bitcoind or JSON-RPC is there a way to search all transactions involving a address hash? I understand every wallet and most ...
2
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1answer
32 views

How to get the Input Address from vin where only a txid is given (Insight-Api)

I like to find the Input Address and Amount for a vin like this: "vin": [ { "txid": "e3f0e88ce224d342a0189c1b9d2fd488d8bda2f303dbe1e1dbbaa5f51d9f4a53", "vout": 1, ...
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1answer
23 views

Are there any services offering blockchain.info-like API for multiple currencies?

I am wondering whether there are any services that offer some API like blockchain.info does but for multiple currencies at the same time. I know there are a lot of block explorers out there, but they ...
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1answer
27 views

API or framework for handling transactions

I am developing a JSP web (based on Java) and I would like to let users send the altcoins to my servers wallet. I need something what would monitor if the coins (DOGE/BTC etc.) has arrived and just ...
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1answer
40 views

MySQL view to identify a transaction with retrived API datas

How would I identify a transaction taking in consideration the following I have a user table holding user datas ++ id | username | btc_recive_address++ ---------------------------------------- ++ ...
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2answers
100 views

Does the Bitcoin Core API support high-precision balance display?

I am currently working with a number of altcoins and and I need to support deposits and withdrawals in currencies with very large coin number cap like Dogecoin. I am wondering whether the Bitcoin Core ...
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63 views

API for converting curriency such as Euro/USD to BTC

Basically what I'm looking for is a reliable API that allows for the conversion of an imputed currency amount such as USD/Euro amount and a conversion would be made that would convert the amount to ...
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36 views

Checking the received fund on an address of an HD Wallet

I'm running a bitcoind on my web server now. I would like to generate deterministic address (HD Wallet) and then check how much coin being received on such address. I'm looking at the Server API and ...
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2answers
100 views

How trade engine works? [closed]

How cryptocoin trade engine works? Is there any open source project available other than buttercoin. I want to build a simple trade engine in ruby on rails for cryptocoins. what are the essential ...
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1answer
23 views

does OpenCL on Nvida work as well as OCL on ATI?

in most cases I've seen mining techniques listed as either ATI with OpenCL or Nvidia with Cuda. but I have seen Nvidia graphics that claim to support OpenCL. is this implementation different or would ...
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2answers
51 views

Check if received bitcoin are in blockchain/not pending without a transaction id

I want to use the Bitstamp exchanger API to buy Bitcoin automatically. But then I see the API does not give me back a transaction-ID (txn id) if I do a withdrawal of Bitcoin to my wallet. If the ...
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2answers
32 views

What kind of random numbers source does getnewaddress in Bitcoin Core API (bitcoind) uses?

Is it an internal PRNG? Is it fed from /dev/random or /dev/urandom? How secure is it? If I have a hardware (TRNG) plugged in feeding my /dev/random will this source of entropy get used by bitcoind?
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1answer
51 views

Check if wallet is encrypted or not through RPC API

How can one check if their wallet is encrypted through the RPC API without receiving an exception? I went through the Original Bitcoin client API calls list but didn't find any command that could ...
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1answer
275 views

How do I use walletnotify?

I have bitcoin daemon and how want to use the walletnotify option with a json-rpc call. Some of the examples use a "transaction.sh" file for walletnotify. What is it for? What do I have to write in ...
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1answer
85 views

No update on API when receiving payments from other Blockchain.info wallets

I am using the Blockchain.info API for an online shopping website. I have a problem in my Receive API: Payments from other wallets are working fine. Also, payments done by copying the address and ...
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2answers
58 views

What is the best method of getting the originating address of Bitcoin transaction?

As far as I see there are currently two methods of getting the sender's address in a Bitcoin transaction: Look up the input transaction and read the corresponding output address there (like this: ...
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1answer
136 views

Can't connect locally with API

I try to connect locally with bitcoin client using the API but I get 404 on request testnet=1 server = 1 rpcport=8332 rpcuser=myuser rpcpassword=mypass I was installing bitcoind on ubuntu ...
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1answer
120 views

ANXBTC.com / MTGOX v2 API “Authentication”

I've signed up with ANXBTC.com and I'm trying to learn the API (based off MTGOX v2 API): http://docs.anxv2.apiary.io/ In order to issue commands, there needs to be authentication. I have a ...
2
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1answer
53 views

Http Requests Bitcoin Mining Pool?

Is there any pool where I can complete mining work for a mining pool via and http requests? Some sort of API? I have access to a lot of computational power that I want to route to a mining pool ...
2
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0answers
53 views

Historical prices via API for major alts (not BTC)

I am trying to build a small project of mine using historical prices for major alternative currencies such as LTC, DGC, MOON, TIPS, etc and so far I managed to collect only current prices of cryptsy ...
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0answers
25 views

Is there a quotes/exchange-rate API that offers JSONP responses, or permissive CORS headers?

I'd like to make a purely browser-side conversion calculator. The APIs I've found so far don't seem to offer JSONP or CORS to allow cross-domain data consumption.
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1answer
79 views

Bitcoin Exchange Api [duplicate]

I need an bitcoin exchange api implemented in my website. Basically there will be one way transactions money->bitcoin and it needs to support major credit cards (visa,mastercard) as well as paypal ...
2
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1answer
71 views

Getting historic exchange data through an API

I'm trying my hands on a trading bot, but I need a website to pull trade data for min. the last 3 days. This can be from any major exchange. Eg. the exact same as this: ...
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50 views

Adding watch-only addresses to Blockchain.info through an API?

I want to set up a service to monitor the activity of various watch-only addresses. I know Blockchain.info offers an option to do URL callback notifications when a payment is made to an address in ...
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2answers
229 views

How do I use Blockchain.info's Receive Payments API with node JS / Express?

Blockchain has great documentation for PHP, but nothing really for node! Does anyone here have any projects,where they used the blockchain.info Receive Payments API, in their node apps, to receive ...
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2answers
50 views

Exchange API - more frequent high and low vaue

Any way to get high-low values more frequent than every 24 hours from say the Bitstamp API ticker? This link only tells you how to get the value for every 24 hours: https://www.bitstamp.net/api/ ...
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1answer
143 views

What is point of encrypting wallet, if Bitcoin API's sendtoaddress needs passphrase?

The Bitcoin API enables programs on the server to use JSON RPC to interact with the Bitcoin wallet. Most commands do not need the wallet locked (which I assume is the same thing as encrypted). ...
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1answer
56 views

Are there any clients that allow for multiple wallets and API acccess?

I know that multibit has the capacity to have multiple wallets, but no API access. bitcoind has great API access, but only one wallet. Is there any solution that combines the two?
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1answer
148 views

How to fix CoinBase pay too much error [duplicate]

ERROR: ConnectBlock() : coinbase pays too much (actual=20000000 vs limit=20000000) I got this error at my debug.log anyone know how to fix this issue? I am coding a new coin, changing its rewards, ...
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1answer
91 views

BTC-e API clarifications

Considering the trade information reported here: https://btc-e.com/api/3/trades/btc_usd Do these refer to open orders, or to completed trades? If this shows only completed trades, does the API ...
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1answer
115 views

What is anonymous and safe api to get bitcoin Exchange Rates? [duplicate]

What is anonymous and safe api to get bitcoin Exchange Rates like BTC/USD and BTC/EUR without trace my ip ? i used tor service, i search and found blockchain api contain Exchange Rates Feed ...
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1answer
97 views

Just-Dice or some other Gambling API?

Is there a gambling site where they expose an API for it? I want to build an application that leverages a crypto/bitcoin gambling site's bank roll. Just-dice seems to have the biggest bank roll to ...
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3answers
147 views

Resources for multisignature transactions?

I am interested in using multisignature transactions to secure my company's coins and I'm wondering what tools are available right now for use with multisignature transactions? I'm especially ...