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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.

1
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0answers
9 views

How do I find my b64secret from GDAX API?

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 ...
-3
votes
0answers
20 views

Insight api bitcore node for Horizen (zen) is not running [on hold]

I get this following error when I try to run insight api fro zen. I had a full node of Horizen (previously known as Zencash Zen) running so I was trying to install insight api on it. I made copied ...
0
votes
1answer
12 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
1answer
23 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
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0answers
46 views

npm install Bitcore returns gyp build error

Here is my error when I tried to install bitcore client for insight API. It requires to use v4 of node and I am using version 4 by nvm install v4 and I have installed all the dependencies too ...
0
votes
1answer
20 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
21 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
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2answers
12 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
50 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 ...
0
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0answers
16 views

Bitfinex v2 websocket updates order guarantees

While working with Bitfinex v2 api, i noticed that sometimes messages from exchange are reordered. Like for FOK sometimes oc arrives after wu, sometimes before. I'm curious whether matching engine ...
1
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0answers
24 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
46 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
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0answers
13 views

Bitcoind v0.17 multiple instance for testing

Previously for regtesting I used multiple instances of bitcoind by specifying the data directory. Previously: Start Instances bitcoind -daemon -datadir="/home/vagrant/.bitcoin2" bitcoind -daemon ...
0
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1answer
40 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
42 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?
0
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0answers
20 views

How to determine bitcoin wallet transaction direction (withdraw vs deposit)

I'm trying to programmatically process the transactions of my bitcoin wallet and to calculate my wallet balance, I need a solution in python, currently I'm using the blockchain.info, but if you know a ...
0
votes
1answer
42 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
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1answer
36 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 ...
1
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0answers
23 views

What is required to list market data from cryptocurrency? [closed]

I am trying to create a cryptocurrency market capitalization list similar to coinchangelly.com . Where could I obtain their APIs and how do I list much more coins than others?
0
votes
1answer
183 views

How to estimate/get network fees via blockchain.info API?

I am using blockchain.info API to send payments. but i need to know that what will I be charged by the network. So any way to get the network fee with specific amount to sent.. or how to generate it ...
1
vote
0answers
106 views

Get crypto-currency price at a timestamp without limits

I'm trying to get the price of a crypto-currency at a specific timestamp. So I used the API cryptocompare : https://www.cryptocompare.com/api/# For example : https://min-api.cryptocompare.com/...
1
vote
0answers
37 views

Bitfinex Api limit server or individual ip address [closed]

I'm using the Bitfinex API to create a website with prices of the cryptocurrencies on there. Their website says they have a 90 request limit per minute per ip address. Since I will be putting the ...
0
votes
0answers
43 views

How to flush bitcoind cache?

I have been working with a bitcoin full node trying to implement a personal blockchain explorer using RPC API calls to populate an external database. After trying to gather some statistics on RPC ...
1
vote
1answer
29 views

What is the best language to use for making API orders? [closed]

I have heard that python is at a disadvantage when it comes to making API requests. It’s built on C which makes it slower. Are there any languages that are low level enough to make fast requests and ...
2
votes
1answer
72 views

What is the right method to calculate Relative Strength Index (RSI) for incoming real time data?

I am working on a trading bot that computes values for several indicators including the RSI. I subscribe to real time minute-level market data from an exchanges, and as new data arrives, I get the ...
1
vote
1answer
22 views

Is there a website / api where I can access historic coinbase data? [closed]

Is there a website / api where I can access historic coinbase data for Bitcoin? I know about blockchair.com but they charge for the coinbase data. Anywhere that supplies this for free?
1
vote
1answer
123 views

How to create wallet in Electrum programmatically?

I want to create new wallet using Electrum-apis. I have gone through the documentation given here but didn't found any method to create a new wallet or an address. Can someone please clarify how I ...
2
votes
0answers
40 views

Different balances in API block explorers for BTC

BTC.com block explorer shows bigger balance than for example Insight or Blockchair. For example: https://btc.com/1FLDCfr9iG7n6bAdGsqBXmhaLgC4aSze72 https://insight.bitpay.com/address/...
0
votes
1answer
62 views

Calculate fees with Blocktrail/btc.com SDK

First of all hi and thanks for your support and your time. I want to calculate the fees of a blocktrail transaction with blocktrail SDK, before making the transaction, in order to let the recipient ...
1
vote
1answer
62 views

Is it required to have an electrum account for electrum api usage?

Is it necessary to have an account on electrum in order to build a custom BTC wallet interface using electrum-apis where user can create multiple wallets, address, send/receive transactions? Or, ...
0
votes
2answers
65 views

Does Electrum use Bitcore Apis as it's backend?

Does Electrum use Bitcore Apis as it's backend or not? If not, then what is the purpose of developing Electrum when Bitcore Apis provides all the features Electrum has (like HD wallets and master ...
0
votes
0answers
20 views

api blockchain.info receive confirmations count info about transaction

I am making some simple pament gateway using bitcoinchain.info public api. I am generating a new address and after that checking one time per minute the status of this address with https://www....
0
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0answers
45 views

Does Bitcore API supports Litecoin and Bitcoin cash?

Does Bitcore API supports Litecoin and Bitcoin cash? If so, kindly suggest me where to find the documentation for the same
0
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0answers
15 views

Wallet creation using Bitcore API

Is Bitcore's HDPrivateKey same as creating new wallets? Please refer the API document for details.
-1
votes
1answer
210 views

I'm Searching cryptocurrency exchange api [closed]

We want complete cryptocurrency trading service from api requirement all api where we can integrate all services in my UI. long story in short we want any service provider backend in our UI. API ...
0
votes
1answer
68 views

How Master seed is generated using Bitcore API?

Can someone please explain how to get Master Seed when a new HD keys is created using Bitcore APIs? My purpose is to implement wallet service in my application using Bitcore APIs. Refer this link ...
0
votes
1answer
29 views

Prioritizing BTC transactions using Bitcore APIs

I’m planning to give a feature in my application where a user can select type of priority (Fast, Average or Slow) for their transactions. How can I get fee required for each type? Does Bitcore API ...
1
vote
0answers
171 views

List All the transactions of an adress - API

I am looking for a way to list all the transactions of an address. For instance, if we use the Blokchain.info API we get: url='https://blockchain.info/rawaddr/1PFtrRjbq4aLfM7k4tyLZ3ZAuTsgLr6Q8Q' ...
0
votes
2answers
99 views

Bitcoin Transaction using API with Custom Fees

I want to transfer Bitcoin from one individual address to another using API. But I want to set Transaction fees as per my requirement. So How can I do it ? Right now I am using blockchain-transaction ...
1
vote
4answers
52 views

How do I connect my online store to the blockchain?

I have an online store for which I want to be able to accept bitcoin. I believe that what I need is an API that will connect my store to the blockchain. If not, the question below would relate to ...
0
votes
1answer
184 views

Shorts, longs BTC data

I am trying to use the Bitfinex API to get historic shorts,longs BTC/USD data.So, the Bitfinex gives size data with Available values: '1m', this equals last 2 hours, i need last two month at least. ...
0
votes
2answers
404 views

Simple Address check via API

So I have a wallet with thousands of addresses, I want to know how can I check the blockchain whether or not a transaction has been made to one(or another) of the addresses?
0
votes
1answer
119 views

how can i get data from GDAX Bitfinex using API and show like bottom

how can i get and show below link data, can someone please help me https://runcoders.com/live-bitcoin/ i am trying by this but failed to show like up link <?php //define API endpoint $url = "...
0
votes
0answers
30 views

Which Wallet to use for Exchange having REST api

One of my friends is building a crypto exchange using REST api and I was wondering which open source wallet (hd wallet with multisig) will provide me blockchain api services in REST api (insight, ...
0
votes
0answers
104 views

Do we have complete REST api for Copay wallet services?

I'm looking for complete REST api library for copay wallet services that includes all insight operations, wallet operations (create wallet, derive new address deterministically, send BTC to multiple ...
0
votes
3answers
175 views

Bitcoin API(s) - how to pair (or obtain) BOTH sender and receiver addresses with a transaction ID (hash)

Various block explorers exist, which offer REST APIs. So far been using blockchain.info and btc.com Here is what we have: - List of bitcoin addresses Here is what can easily be got with that info: -...
1
vote
1answer
223 views

Fetch Balance of wallet without Core wallets of all coin?

I'm creating an exchange like service, I need some for showing all transaction to user like deposit and withdrawal but I'm not using core wallets of any coin, using paper wallets for wallet creation ...
0
votes
1answer
21 views

Time/memory complexity of Bitcoin API calls

Is there a way to see the time/memory complexity of Bitcoin's API? For example, bitcoin-cli getblock "some-header-hash" fetches the block with a matching hash. How is this implemented under the hood?...
0
votes
1answer
264 views

How to determine EUR (or USD) price from Poloniex Ticker?

Poloniex has for me a strange ticker content. Rest API URL: https://poloniex.com/public?command=returnTicker I have no problem with other plateforms to determine an immediate price, for example EUR /...
2
votes
1answer
49 views

API for multiple blockchains

Is there an API to get data for multiple blockchains? Most blockchain explorers already offer an API but I'd like to be able to get information for different blockchains through the same API.