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.
660
questions
1
vote
2
answers
607
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 ...
- 113
1
vote
0
answers
80
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 ...
1
vote
1
answer
343
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
1
answer
505
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
1
answer
63
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?
- 10.9k
1
vote
1
answer
219
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]...
- 41
1
vote
1
answer
92
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
vote
0
answers
28
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?
- 11
4
votes
2
answers
7k
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 ...
3
votes
0
answers
2k
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/...
- 131
1
vote
0
answers
92
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 ...
- 11
1
vote
1
answer
54
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 ...
- 11
1
vote
1
answer
503
views
What is the right method to calculate Relative Strength Index (RSI) for incoming real time data? [closed]
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 ...
- 19
2
votes
1
answer
335
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?
- 23
1
vote
2
answers
849
views
How might I create a new Electrum wallet programmatically?
I want to create a new wallet using Electrum-apis. I have gone through the documentation given here but I haven't found any method to create a new wallet or an address.
Would someone guide me in this?
- 241
2
votes
1
answer
184
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/...
- 41
0
votes
3
answers
194
views
Calculate fees with Blocktrail/btc.com SDK
I want to calculate the fees of a blocktrail transaction with blocktrail SDK, before making the transaction, in order to let the recipient pay fees.
Here is what I tried:
$FEES = $wallet->...
1
vote
1
answer
150
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, ...
- 241
0
votes
2
answers
275
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 ...
- 241
3
votes
1
answer
5k
views
Does Electrum provides any API?
Does Electrum provides any API? If yes, please let me know if there's any dedicated documentation available.
Also, does Electrum support Bitcoin Cash?
Purpose:
I want to integrate Electrum into my ...
- 241
-1
votes
1
answer
493
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
...
- 99
0
votes
1
answer
552
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 ...
- 241
0
votes
1
answer
57
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 ...
- 241
1
vote
0
answers
496
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'
...
- 53
0
votes
2
answers
361
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
4
answers
99
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 ...
- 464
0
votes
1
answer
448
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. ...
2
votes
2
answers
17k
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
1
answer
338
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 = "...
1
vote
3
answers
2k
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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:
-...
- 111
2
votes
1
answer
1k
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 ...
- 121
0
votes
1
answer
41
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?...
- 335
0
votes
1
answer
654
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 /...
- 123
2
votes
2
answers
308
views
API for multiple blockchains [closed]
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.
- 121
0
votes
1
answer
165
views
How is a ticker price determined?
I am trying to understand how a ticker price is determined for an asset, in this case I am specifically looking at BTC data from GDAX. The question stemmed when downloading historical BTC data from ...
- 3
0
votes
2
answers
45
views
Can one tell which way the market goes from sell and buy orders?
Among other open access (i.e. public) data available in exchange API's are the open order books. They are given on exchange websites sorted by coin value. Is there a way to tell which way the market ...
- 21
1
vote
2
answers
165
views
Blockchain Payment receive api
While using blockchain receive payment api, what if some one send less then require fund or some one send extra fund on same one time generated address.
does fund will automatically refund to sender ...
0
votes
1
answer
2k
views
How to send Bitcoin in the Testnet?
I'm using this library: https://github.com/lian/bitcoin-ruby
And here's my code:
require 'open-uri'
require 'net/http'
require 'net/https'
require 'json'
require 'bitcoin'
Bitcoin.network = :...
- 123
0
votes
0
answers
59
views
Receive payment without 3rd party API
So is there anyway to generate address and then check the address to see if enough fund is sent and enough confirmation without using any 3rd party API?
Works on software written in C# or/and Web PHP....
- 646
1
vote
0
answers
38
views
A website that provides API for multi currencies [closed]
Can you please help me to find a wallet that provides API for multiple currencies such as: BTC, ETH, XMR, BCH, LTC, DASH.
I want to create new address for each of the currencies and check if there is ...
- 11
0
votes
1
answer
531
views
SPV Wallets vs API Wallets - Pragmatic
From what I know, the only advantage of an SPV node compared to a API Node, is the increase in privacy.
SPV nodes take up more bandwidth, in order to stay synced with the current chain and in some ...
- 652
1
vote
1
answer
270
views
How to buy with Poloniex API? [closed]
Hi I have a question about buy method. Recently I received successful message from Poloniex
I run once buy order method with option immediateOrCancel.
I get two trades instead of the expected one.
{'...
- 21
5
votes
1
answer
2k
views
How Do HD Wallets Keep Track of all accounts?
If a HD Wallet generates 1,000 accounts for example.
How would they keep track of all of the account's balances, if someone for example, paid into the 455th account, they would want to update the ...
- 652
0
votes
0
answers
415
views
Using bitcoin-core RFCs to create REST APIs
I am new to using Bitcoin and the Lightning Network.
I was looking at this: https://bitcoin.org/en/developer-reference#bitcoin-core-apis I saw REST APIs as well but did not seen any functions for ...
- 185
0
votes
1
answer
101
views
Using a programming API with blockchain
New to using BTC and the Blockchain.
My understanding is that (for the Bitcoin), one can download/install btcd.
Then, one has to use btcd to synchronize the "local" Blockchain with the "main" ...
- 185
2
votes
1
answer
4k
views
what is blockchain.info testnet api url?
there is a testnet for blockchain.info here but I can't find a url for calling api(s) in testnet as such we have in main network
on main network
https://api.blockchain.info/v2/receive?xpub=$xpub&...
- 141
1
vote
0
answers
41
views
Best Public cyrptocurrency APIs to develop exchange [closed]
We are developing cyrptocurrency API where we are relying on Blockcypher for several currencies. But we would like to add more and more currencies to our exchange. But it seems all crypto currencies ...
- 11
0
votes
1
answer
313
views
Bittrex API market history -- interpreting OrderType
The Bittrex API has a request to get the market history:
https://bittrex.com/api/v1.1/public/getmarkethistory?market=BTC-DOGE
which gives a response containing the following fields:
"Id"
"TimeStamp"...
- 101
-1
votes
1
answer
595
views
How to send BCH programmatically using existing wallet
I'm a completely newbie to crypto so sorry in advance for stupid question.
How can I send BCH to desired address using existing wallet?
I found few services with quite nice rest API or even ready ...
- 1
2
votes
2
answers
870
views
What options do I have to avoid API gap limit? I am using xpub keys
I am building a app, and the design is, the "welcome page" has a qr code allowing the user to purchase a single-use of the app.
Blockchain.info conveniently allows you to use xpub to generate ...
- 203