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.

Filter by
Sorted by
Tagged with
0
votes
0answers
2 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....
0
votes
0answers
11 views

What APIs are available for finding pricing on cryptocurrencies across various exchanges? [closed]

I am trying to create an arbitrage trading bot for cryptocurrencies. Are there any reasonably fast live APIs that can give the price of multiple different cryptocurrencies a
0
votes
0answers
12 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 ...
1
vote
0answers
10 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 ...
-1
votes
1answer
28 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?
0
votes
0answers
48 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 ...
0
votes
0answers
18 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 ...
0
votes
1answer
24 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, ...
1
vote
0answers
16 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 ...
-1
votes
1answer
27 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?
0
votes
2answers
40 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?
0
votes
0answers
28 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, ...
0
votes
1answer
20 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 ...
1
vote
2answers
52 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?
1
vote
1answer
49 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
vote
1answer
31 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....
0
votes
0answers
20 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
votes
1answer
52 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
votes
1answer
35 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
votes
1answer
51 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) ...
0
votes
0answers
28 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 ...
1
vote
0answers
148 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 ...
0
votes
0answers
20 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
votes
1answer
54 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
0
votes
1answer
62 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 ...
0
votes
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
votes
1answer
147 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 ...
0
votes
0answers
34 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
votes
1answer
41 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 ...
0
votes
0answers
39 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
vote
1answer
374 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
votes
1answer
54 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 ...
0
votes
1answer
578 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/...
1
vote
1answer
46 views

How to paginate through api?

I have looked at the following link:https://dashblockexplorer.com/api/txs/?block=990001, and I am wondering how to paginate. You may notice that pageTotal is equal to 5.
0
votes
1answer
51 views

Blockchain endpoint working

I wanna clear this thing that how blocks are retrieved and created in from the nodes using an end point. The end point is basically centralized and have nothing to do with network if i'm not wrong. Is ...
-1
votes
1answer
24 views

What does PreviousTxnID refer to in Ripple API?

What does the field PreviousTxnID refer to? Does it refer to the most recent transaction? Not sure what it specifically means. Help would be appreciated.
1
vote
0answers
18 views

How do I find my b64secret from GDAX API? [closed]

How did I find the b64secret that is automatically generated by GDAX API? I have a passphrase and API key that I got from GDAX, but I don't know what/where the b64secret is. The documentation says ...
0
votes
1answer
122 views

Bitcoin Pro API - How do you format start/end time for Historic Data?

I don't understand how to format the start and end time per https://docs.pro.coinbase.com/#get-historic-rates The sample time is "1415398768" which makes no intuitive sense to me, and when I tried ...
1
vote
2answers
117 views

Specified data directory does not exist - but it does…

anyone ever had a similar issue where the directory exists but bitcoin-cli isn't recognizing it? Perhaps this is related to me setting the folder up as a symlink to my external HDD? Thank you! ...
0
votes
1answer
25 views

From an app development and API point of view, are there other cryptocurrencies which are the same as bitcoin?

I would guess that some other coins copied bitcoin source code or design. The crux is if you develop applications for bitcoin (using the various apis, will they work with any other coins with just ...
1
vote
1answer
27 views

Why is input number non-existent in bitcoin API?

Why when I use this public Bitcoin Api to practice a command, the input value of BTC does not show up? API Call can be found here: API Website Transaction from block explorer can be found here: ...
0
votes
2answers
32 views

Start and end parameters in historical price data request are ignored

I trying to do some testing on historical coinbase data. Because I can only get 300 datapoints per request. Im looping the request and change the start and end paramter to got backwards. My requests ...
1
vote
1answer
249 views

Derive next HD segwit address from xpub/ypub

I've been using the smartbit api to derive the next receiving address for a while now. However it only works for Legacy addresses and not Segwit addresses. I now have a Ledger Nano s and need a ...
1
vote
0answers
43 views

blockchain.info API response is coming with a big delay [closed]

I'm using blockchain.info API on my shop. Everything was fine until about 2 weeks ago. The whole procedure and the issue is: - When a customer place an order, a btc address is created and customer ...
0
votes
1answer
135 views

Segwit txin. Witness data association

I am trying to learn more about the bitcoin protocol and I am writing some python software to make a light wallet. I have advanced quite far and I have come across something that I dont really ...
0
votes
1answer
213 views

Account system is deprecated. Now, how can we set a “from account” when using the “sendmany” function?

Currently I have been faced with a problem from the update of Bitcoin Core. As you may know, in the recent update, Bitcoin Core deprecated the concept of account belonging to each node. Hence, I ...
5
votes
1answer
48 views

In the Ardor API, how can one return more than 100 results from an API call?

Currently the Ardor API, limits results of 100 at a time. Is there a way to return more than 100 results using the api calls?
1
vote
1answer
121 views

Bitfinex get Trading Fees via API

After placing a market order, I got its order_id & checked its status via this end point /v1/order/status and I got the following: Array ( [id] => 18141116927 [cid] => 43611135723 [cid_date]...
1
vote
1answer
46 views

Question Regarding Send_to_many function of blockchain wallet api

I am using send to many function of blockchain wallet api and i am facing issue. when upto 20 transaction done then after i get error in terminal that 1538652825520 - error: ERR_PUSHTX ...