Application programming interface

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BlockChain.info testnet wallet and API

Does blockchain.info provide wallets and API service for testnet? This information is quite hard to find from their site.
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2answers
53 views

Who give initial value to Bitcoin? [on hold]

I know how the process of changing BTC price ​​occur, but I curious as to what gave the initial value to BTC and whether the price of another cryptocurrency refers to the BTC? How would I replicate ...
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13 views

Bitcoin Historical Price API/Database

I have found many APIs and databases that exist for historical Bitcoin prices but they will only give you data for daily intervals or tick data. Is there an API / database that exists that will ...
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20 views

Blockchain.info : “Insufficient Funds Available”

When I sent bitcoin to an address by using Blockchain.info API, I got "Insufficient Funds Available" error. Like below.. [API Request] ...
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1answer
28 views

chain.com Bitcoin API: Does not provide “making wallet” feature?

chain.com's Bitcoin API is super easy to implement Bitcoin function into my iOS App. Checking the balance of a specific bitcoin address and retrieving transactions are very convenient. However, unlike ...
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1answer
32 views

How to set a payment in Ripple without specifying currency issuers?

I want to send IOUs from one of my accounts to another through the use of the API. Both of the accounts trust the same IOU issuer, which is a separate address. According to the Transaction Format, I ...
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1answer
23 views

Why do Bitcoin API services offer Block details?

I understand having APIs around addresses and transactions, but I'm less clear why I need to know what's happening with a Block(s). This is to confirm one's transactions? Might someone provide some ...
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1answer
26 views

Can I develop an API which will accept bitcoins and regular currency using existing API's such as coinbase and stripe?

Can I develop an API which will accept bitcoins and normal currency using existing API's such as coinbase and stripe? This API when used by a merchant should be able to accept both bitcoins and ...
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1answer
41 views

Can I use Blockchain API to get number of transactions at BTC address?

When I go to blockchain to look at a BTC address I can see a count of the number of transactions that have been sent to that address. So can I use the blockchain API to get this information? I have ...
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9 views

What is a public NXT api i can access?

Is there a public site where you can access the nxt api? like how blockchain.info does it. all i want to do is make queries to retrieve all the messages in the nxt network to see the activity.
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15 views

BTC China ruby api wrapper

I am trying to build simple BTC China client https://btcchina.com to get account balance for training and educational purposes. I know there is https://github.com/Lewis-Clayton/Kublai gem out there, ...
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25 views

How can one know which money exchanges happen in Ripple? [duplicate]

In Ripple, money can be exchanged in two ways: a payment is sent from a person to another person 2 satisfying offers fulfill each other The Ripple wiki states When an offer is placed it will ...
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10 views

Coinbase API and my website

I am creating a website which has user profiles, and I was wondering if it was a good idea to use the Coinbase API to create a new wallet for each user when they sign-up. Does anyone know of any draw ...
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1answer
31 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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15 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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31 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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1answer
106 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
103 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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17 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
55 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
39 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
230 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
27 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
51 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
107 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
33 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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30 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
181 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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23 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
312 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
42 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
57 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
42 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
40 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
41 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
112 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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92 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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44 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
117 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
29 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
76 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
42 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?
2
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1answer
57 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
425 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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2answers
115 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
63 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
202 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
173 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
59 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
55 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 ...