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Questions tagged [api]

This tag should be used for questions related to APIs offered by any Bitcoin related service. An API is an Application Programming Interface and services often have APIs available for developers to write software which accesses information offered by the service.

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1answer
32 views

Why is there no decentralized Bitcoin trading API?

Since nobody has answered me the last 30 times when I asked for decentralized Bitcoin trading APIs, I can pretty safely conclude that it just doesn't exist. So that's why I now ask why this is. Don't ...
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0answers
20 views

Is there some way I can auto-trade Bitcoin with “something else” on my computer without using centralized, photo id-requiring APIs?

Is there some way through I can automatically trade Bitcoin with another cryptocurrency or fiat on my computer without using centralized, photo id-requiring sites' APIs? I know that Bisq exists, ...
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0answers
25 views

Implement Bitcoin on my platform? [on hold]

I want users to deposit/withdraw funds from my platform. All deposits should go to my cold wallet and withdrawals will be done manually. Users have to buy/sell services inside my platform, but the ...
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0answers
19 views

Getting Started with a Hello World Node.js App making an API call to bitcoin.org

I have been reading around trying to find where/how you can attach a SHA256 or MD5 hash (i.e. a small chunk of data) to a Bitcoin transaction, which led to OP_RETURN, but I have yet to see exactly how ...
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1answer
44 views

Local balance query for Bitcoin address

I would like to be able to query the balance of an address (not belonging to me). The data should come from a fully synced bitcoin full node inside the local LAN and I do not want to query any api ...
1
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1answer
32 views

how do mining pools expose their stats?

Webistes like https://miningpoolstats.stream/ must communicate with the pools somehow. What protocol do they use to retrieve information such as the pool's hashrate and what blocks have been mined by ...
1
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1answer
31 views

How to get all cryptocurrencies real-time statistics with no limit and free? [closed]

How can we get almost all real-time information of cryptocurrencies (rates, transactions, live prices, blocks info, wallets, etc) for developing new cryptocurrency statistics and exchange reference (...
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1answer
26 views

CryptoCompare API gives wrong historical daily OHLC data

I am trying to use CryptoCompare to get historical daily OHLC data, but the data I get seems to be wrong. For example, the following query (timestamp=1507248000) will give you data where 'open' (66.43 ...
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0answers
26 views

Blockchain.com API and needed amount

I have installed Blockchain.com platform on our server and ran some codes successfully based on its Wallet APIs. Regarding to what is said here, as we are testing this platform, we charged the created ...
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0answers
16 views

How to run and access Blockchain.info platform on a remote server?

I've installed Blockchain.info local machine on a server and got an API key for it. But it seems it's designed to work only locally and on the port 3000. I need to call APIs from another server with a ...
0
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1answer
30 views

How can I generate preimage for lightning network invoice? Should I?

I'm developing API library for LND REST API. Method POST /v1/invoices requires r_preimage parameter. Should I generate it or LND can do it itself if I'll not specify it? If I should do that - how to ...
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1answer
42 views

Is Bitcoin Core required for wallet projects?

My team wants to create a cryptocurrency service provider platform to Sell/Buy BTC and something else in form of web/mobile app. It's about one month that I have been studying different articles about ...
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1answer
31 views

Coinjoin API server possible?

Is there a protocol limitation (I suspect there is) that does not enable transactions across different platforms to access a 3rd party remote server (Chaumian server?) through API and create a ...
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1answer
20 views

what is exact meaning of some field of response of `getBlock` rpc api

I refer to this document for using getBlock rpc api. https://bitcoin.org/en/developer-reference#getblock { "hash" : "hash", (string) the block hash (same as provided) "confirmations" : n, (...
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1answer
37 views

Electrum address syncronization

I need to periodically check the balance of a number of bitcoin addresses (a few tens or hundreds addresses). I noticed that Electrum may syncronize a thousand or more imported addresses in a matter ...
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0answers
26 views

how to know miner of each bitcoin block [duplicate]

Do you know from what kind of API I can get miner info per each block? I've run bitcoin mainnet, and I want to know who mines each block if possbile. I've googled and read many docs but I couldn't ...
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0answers
17 views

What happened to Smartbit explorer?

I was using API located at http://smartbit.com.au to communicate with bitcoin testnet. Now API is not available anymore. Generally, whole service is gone. Some time ago (idk, like few weeks ago) chain....
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1answer
36 views

Does anyone know any APIs that provide Tether data?

I am interested in Tether data such as total volume, new issuing of Tether etc. Does anyone know any paid or free API (preferably free) where I could get this data?
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1answer
19 views

how can i coding wallet to build exchange to client withdraw

i want to build a cryptocurrency exchange so my question how is best way and secure way to depositing and withdrawing clients ? should i use api like https://cryptoapis.io or https://www.blockcypher....
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0answers
15 views

Coinbase Pro - Volume Bought or Sold

Using the Coinbase Pro API, is there a way to get the volume of buys vs. the volume of sells for a given timeframe, not just the daily volume in total? Right now, all I can figure is doing a series ...
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0answers
11 views

Inconsistent Volume Data from Gdax API

I've queried Gdax API in the past and it seems that the API is currently returning a completely different data set for 'Volume'. For example, when I queried the API for historical BTC prices around 1 ...
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1answer
38 views

What feerate estimation APIs are there?

Some company's, block explorers and payment processors offer a public API for feerate estimations. Is there a list of publicly available feerate estimation APIs?
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0answers
62 views

Issue while using create transaction API of blockcypher?

I am getting this error "Not enough signatures: 1 for 2 inputs" always while using create transaction API for BTC,LTC,DASH. Before few days ago its was working fine. But Now I am getting Error After ...
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0answers
36 views

How do I request fund using coinbase api

Hi I am trying to use coinbase api in php.api implementation working fine, I can check balance, creat new address all this are working fine.But facing problem on request bitcoin. I am following ...
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1answer
80 views

Checking external bitcoin address balances via JSON-RPC API

I'm using bitcoin core json-rpc api in python and am wondering why... getreceivedbyaddress() ...doesn't allow me to specify an address that isn't in my local wallet? The whole blockchain is open, ...
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0answers
20 views

listreceivedbyaddress missing transactions after restore

After restoring wallet from wallet.dat balance is identical, but listreceivedbyaddress 0 do not have the transactions associated with wallet. listunspent 0 show all the transactions, but it will ...
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1answer
28 views

can you use blockchain.info instead of hosting bitcoind for a website

If I use api calls to blockchain.info instead of hosting my own bitcoind for checking address values, is it safe?
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2answers
47 views

How to get latest 50 transactions for a BCH address?

Is there an API from where I can get latest received transactions for a bitcoin-cash address?
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0answers
33 views

Access Kucoin OHLC data from API?

I need to access kucoin Open-high-low-close (OHLC) data from Kucoin API. Looking in https://docs.kucoin.com/#get-trade-histories, I deduced that to access OHLC data (for instance BTC versus USDT, ...
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1answer
23 views

looking for faucet API so i could use it for tests - Automated faucet

i would like to make some tests on test net, the issue is every time i have insufficient fund in my wallet i need to find a faucet and manually add funds. i would like to create an automatic faucet ...
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2answers
162 views

How to check the balance of the list of 1 million Bitcoin Addresses?

How to check the balance of the list of 1 million Bitcoin Addresses? Is there such a program?
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1answer
106 views

How to get balance for a label

I have lots of addresses organized under a label. Is there a command to show the total remaining amount available under a label ? (Or address) I am building a payment gateway and I need get the total ...
1
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1answer
39 views

Confused about buy/sell definition in trades history

I'm looking at some trade history provided by the kraken.com API (formatting mine): Price Volume Time Buy/sell Limit/market Remarks ["7833.00000", "0.17400000", 1559721453....
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0answers
22 views

Any Cryptocurrency payment method api that creates only one wallet for each user?

I have question regarding payment gateway.For now I am using coinpayment api.It's creating always new address for user to make payment.I want only one wallet for each user and that user can make ...
0
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1answer
61 views

Bitcoin Testnet API that allows transaction lookup and submission of raw transactions

I'm looking for a well developed, maintained and stable API allowing to access bitcoin testnet. Something like Infura for Ethereum. Googling gives many results, but can somebody point me out what is ...
0
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1answer
40 views

bitcoind rest api tx endpoint

i am having a trouble with bitcoind REST API endpoint for retrieving transaction info. According to the documentation it should return confirmations among the retrieved data. But my bitcoind do not ...
0
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1answer
58 views

How do I use an issued API key in my python 3 script to bypass the request limiter?

I got an API key from blockchain.info to bypass the request limiter, but I don't know how to use it and I can't find any relevant info online. url = "https://blockchain.info/rawblock/" + str(s) ...
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0answers
30 views

Sendmany unconfirmed coins (minconf = 0)

can somebody help me to figure out opportunities if bitcoind RPC. How to send unconfirmed coins? With RPC command 'sendmany' and param 'minconf = 0' for some reason not possible. But how to make this ...
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0answers
180 views

Coinbase “convert” API?

I use the convert functions at coinbase to take advantage of market changes to increase my position amounts. This weekend I am going to write a php script that tracks the available conversion pairs ...
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0answers
26 views

transfer cryptocurrency with api

I need a wallet that have api for currency transfer like block.io api. But because block.io only supports 3 currencies, it is not suitable for my project There is another wallet for my work? (Only ...
0
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1answer
69 views

How can get balance for btc/bch address and block?

How can get balance for btc/bch address and block ? Similar to web3.eth.getBalance for Ethereum
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1answer
106 views

how to place a bitforex api buy order

I have read the documentation for BitForex on placing a buy order here: https://github.com/bitforexapi/API_Doc_en/wiki/Order Then after understanding that, I read the API Call Description ...
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0answers
22 views

reusing an address how can I get the confirmations

I would like to reuse an address I was thinking of using blockchain.info api which returns the amount sent to the address if confirmation reach the set parameter. When I send more BTC to the same ...
0
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1answer
185 views

testnet.blockchain.info api not showing latest results?

I sent a transaction to the testnet address mzWCWQU6phb9rKSAiQ4FBU92sGYtY7tjPH a few days ago and I have been using the testnet.blockchain.info api for a while now in my project. It was working fine ...
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0answers
39 views

How to getbalance for any existing bitcoin address, without long wait

I am new to bitcoin. I've read multiple articles and posts on forums and unfortunately I haven't found the answer I am looking for. Some back story... I just bought a 2TB SSD storage, and installed ...
0
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1answer
43 views

Bitcoin core and transaction fees

I'm using combination of 'createrawtransaction' and 'fundrawtransaction' API calls to create my transactions. I don't pass 'feeRate' option to 'fundrawtransaction' and rely on bitcoin wallet to figure ...
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0answers
46 views

Bitstamp API to determine is orderId has been cancelled or not?

I am running a trading bot using nodejs to call APIs of some of the popular exchange like Bitstamp. I am unable to find an API which can help me in concluding if an order has been canceled or not? I ...
1
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1answer
526 views

Coinbase Pro historical data not working

I'm trying to pull historic data from the Coinbase Pro api using Python with the cbpro package. For some reason I either hit an error, or can only pull data from the last 350 days. If I run the ...
0
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1answer
113 views

Coimarketcap api data different from coinmarketcap.com

I am using popular Coinmarketcap API request: https://pro-api.coinmarketcap.com/v1/cryptocurrency/listings/latest?limit=100&convert=ETH In response percentChangeFor24h and some other parameters ...
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1answer
644 views

How to get BTC and ETH prices from Binance in Google Sheets?

I've been using the CRYPTOFINANCE() function in Google Sheets for a while but I can't seem to find out how to pull data from my exchange (Binance). I'm specifically looking for the BTC/USD and ETH/...