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
11 views

Locally Sign transactions Blockcypher API

I'm having a problem that I can't solve since yesterday with the blockCypher APIs when I try to create a new transaction and submit it. https://www.blockcypher.com/dev/bitcoin/?shell#creating-...
0
votes
0answers
9 views

Free Api To Get the total Market Caps

I'm looking for a Free API to get the market caps of Bitcoin. There was a previous question about it. However the documentation those endpoint are only to paid plans? How can I get the total market ...
0
votes
1answer
22 views

Coinbase API create new address returns 404 “not found” [closed]

I am trying to create a new address for my Coinbase account to try putting some coins in it with my application. I am using .Net core for accessing the Coinbase endpoint. I have tried both creating ...
0
votes
1answer
27 views

How can I pull the “Candles” argument from the Huobi websocket data?

I've a problem with Huobi Websocket, I know my ways in REST API but new to asyncio and websockets, and Huobi only gives resonable amount of history through websocket request so I'm stuck with it. I'm ...
0
votes
0answers
20 views

Tracking transactions on different wallets. Coinbase

How to track each transaction to each wallet that creating for users in website? when i am trying to get data from all transactions i am getting information that includes only global coinbase account ...
0
votes
0answers
25 views

Cryptocurrency Wallet 3rd party access

Do Crypto wallets such as Exodus etc have something like an API? For example is it possible to perform a cryptocurrency transaction directly from the web browser client (using the specified amount and ...
1
vote
2answers
49 views

REST API to fetch block by height

I am trying to incorporate bitcoin in one of the applications and want to integrate the REST API which exposes all the public information. I tried using https://chain.api.btc.com/v3/block/3 but upon ...
1
vote
1answer
31 views

How to get info for public address from bitcoin-cli + local db? (Can it be done without creating a wallet?)

I just started running my own full node. IBD is finished, and I'm now learning how to use bitcoin-cli. First I would like to extract all the available information for one or more public addresses ...
0
votes
0answers
85 views

Binance API Error Code: “code”: -1022, “msg”: “Signature for this request is not valid.”

I have a problem with the Binance API. I use HTTP request from Integromat, but I always get the following error message: "code": -1022, "msg": "Signature for this request is ...
2
votes
1answer
41 views

How do you determine whether Bitcoin Core is synced fully or not from the RPC API?

I keep getting the wrong numbers returned daily in the beginning of the day because Bitcoin Core has not yet synced the blockchain from the computer being powered off during the night. So I need a way ...
0
votes
0answers
29 views

Getting Error “Not enough funds after fees in 1 inputs to pay for 1 outputs, missing -xxx” with BlockCypher API

I code a C# application, build of the BlockCypher API and NBitcoin. I try to send 5000 Satoshi (f.e.) from my wallet to another. My wallet has an amount of 12709 satoshi as balance. The Request is: {&...
0
votes
1answer
44 views

What is the official explorer and value API for Bitcoin?

I am new to cryptocurrency development, and I have noticed that Bitcoin has an official wallet for both Desktop and Mobile (correct me if I am wrong). My question is, does Bitcoin have an official ...
0
votes
1answer
59 views

Quantifying the long term costs associated with self hosting the Bitcoin node?

In this question I discussed the option of self hosting the Bitcoin node vs. using 3rd party services with API access. I quoted a colleague who said that "for every coin we wish to support, we ...
1
vote
0answers
35 views

How do I fix socket.timeout error when getting data from blockchain.info? [closed]

I'm writing a python script using the blockchain API that takes as input a list of seed addresses, gets their transactions and the input/output addresses of each transaction. Then I get the ...
0
votes
1answer
37 views

API for automatical buying and selling coins in Java [closed]

I need to create a simple bot for buying and selling coins and the programming language needs to be Java due to some technical specifications. These are the functions which I need from that API: buy(...
1
vote
0answers
61 views

Single API to Get Fee Estimates for All Major Cryptocurrencies? [closed]

Many sites provide estimates of miner/gas fees for individual cryptocurrencies. For example, EtherScan provides gas estimates for ETH. BTC Network provides fee estimates for Bitcoin. Both of these ...
0
votes
1answer
37 views

How do internet wallets connected to full blockchain nodes

How do internet wallets such as Coinbase connect to the a blockchain node? Doesn’t the node itself create a default wallet object on startup? How is this replaced by internet wallets which hold ...
2
votes
2answers
65 views

What exactly is the “vout” field?

This is driving me nuts. Through trial-and-error, asking numerous people and attempting to read endless articles and manuals, I've come to the conclusion that the "transactions" listed by ...
0
votes
0answers
16 views

What is the purpose of the “category” Bitcoin Core RPC API field/property?

When using the Bitcoin Core RPC API to list the transactions, there is a "category" property, which can apparently be either "send" or "receive". Then there's the "...
1
vote
1answer
31 views

How to search (via json API) transactions to my wallet?

I'm new to bitcoin and want to take payments with it on my website. Taking payment isn't a problem but the manually process of verifying payments and matching up with users is. Is there any way to use ...
1
vote
1answer
87 views

How can I determine the address from a private key?

From the steps in the wiki, take this example private key: 0C28FCA386C7A227600B2FE50B7CAE11EC86D3BF1FBE471BE89827E19D72AA1D When I import this into Electrum, I find these values: Address: ...
0
votes
1answer
110 views

How start make a application with php

I'm new with bitcoin, and I would like create a application that have wallets and transactions, but I dont know how start, I was reading the api blockchain.info and is interested use the module that ...
0
votes
1answer
77 views

How to get a balance from the network directly?

I was under the impression that I'd be able to get a balance from the network directly, not only by going through some http interface which wraps the server RPCs. I am curious, is it possible to get a ...
0
votes
1answer
30 views

Specification of REST .bin format?

I'm currently using the JSON Rest API to get lots of transaction data from bitcoin. Unfortunately thats quite slow. I know there is also a binary format (see Unauthenticated REST Interface), but I ...
0
votes
1answer
66 views

What is the alternative for an exchange which doesnt want to run a node of a coin traded?

It seems to be best practice for an exchange to run a node itself for a coin traded there. But, is there an alternative? A third party service? If yes, which are recommended and why?
0
votes
2answers
59 views

What am I missing about this “guaranteed” money-making scheme that I didn't hear from anyone but just popped up in my head?

Let's suppose that I have already set up an account at Exchange A and Exchange B, loaded each up with a small buffer of BTC (much less than 1 BTC), and am able to make API requests to buy/sell from ...
0
votes
1answer
47 views

Are there any Bitcoin payment providers with an API’s for allowing unconfirmed transactions? [closed]

I want to design my web app to instantly accept crypto currency like Bitcoin as a payment for a subscription to the app. I will design it to cancel the subscription and ban the user’s account if the ...
1
vote
1answer
46 views

Is the `addmultisignature` API call dependent on order of public keys in the array? Or is it lexicographically sorted?

Say Alice and Bob are part of a partnership business that accepts Bitcoin. They store all their main funds in cold storage until the end of 3 months, when they cash out and use a new address. This ...
0
votes
2answers
60 views

How can I build my own get address transactions API?

I want to build an API to query an arbitrary bitcoin address for received transactions. The address is not necessarily associated with my wallet. Is this possible using the commands in bitcoin-cli? I ...
3
votes
2answers
121 views

In Electrum, how does one watch/poll a wallet for an incoming payments to a certain address via API?

I want to create a simple way to accepting bitcoins on my own, using Electrum. I don't except big volume. I suppose, I'd have at most a handful of incoming payments in the beginning. That is, I ...
2
votes
1answer
604 views

What is the request limit number in the blockchain.info API? [closed]

I'm planning to use https://www.blockchain.com/api, precisely single block https://www.blockchain.com/api/blockchain_api for testing purposes on my script. I noticed there this line on the the API ...
0
votes
2answers
76 views

library for validating bitcoin private and public keys

I am building a python script that gets a string and determines if it is a valid bitcoin private key or public key, and if so it returns its type/format (base58, BIP32, HexaDecimal etc.) and its ...
0
votes
1answer
95 views

API for top bitcoin addresses sorted by available balance [closed]

Is there any API from where I can get the list of top bitcoin addresses sorted by available balance? I know there are many websites out there listing Bitcoin rich list but I need an API.
-1
votes
3answers
40 views

How to deal with situations when the buyer tries to gain the system? (online shop with price in fiat, BTC payments also possible)

I'm a developer. I have a custom online store, with code I wrote myself, where I sell products in fiat money. I plan to introduce payments in bitcoin. Issue: the customer may try to gain the system by ...
3
votes
1answer
262 views

API for large number of queries to different addresses every few minutes

I have an application that needs to makes queries to get address balances and transaction data from Bitcoin. What are some possible solutions to this? It would be great if I didn't have to manage a ...
0
votes
1answer
78 views

How to know Block height when a transaction entered Mempool?

I'm hosting a Listening Bitcoin Node in Capital of Pakistan. I want to know the Block height when Transaction entered the mempool. Right now I'm using the time from the Json format of the Transaction ...
0
votes
0answers
21 views

Bitcoin Core GUI gettransaction implementation

The cli users have the option to "getrawtransaction txid true" in order to find valuable information about a transaction that could be theirs. This is a very powerful api call that effectively ...
2
votes
0answers
44 views

API for raw Bitcoin latest block data?

I would like to get the full raw data on the latest bitcoin block. I was hoping I could get this from an API. I looked at blockchain.com's API's but these don't seem to provide the full data for each ...
1
vote
0answers
60 views

Authentication error with Blockchain Wallet API [closed]

I successfully integrated the blockchain-wallet-api into an application which is currently on production. The challenge I'm having is that even though I was able to disable email login authentication ...
0
votes
0answers
44 views

How to get utxo for address on testnet using python?

Pybitcointools is deprecated unfortunately and other Python libraries don't really work. Do you know any APIs that serve UTXOs for an address?
0
votes
1answer
611 views

Check wallet address balance programmatically in PHP using Blockchain wallet api

I'm tyring to fetch my wallet balance programmatically using the Blockchain wallet api. Currently I was expecting that a simple api call to https:/blockchain.info/merchant/$my_guid/balance?password=$...
1
vote
0answers
36 views

Bow to know how much amount my wallet sent with Bticoin-core API

I have updated bitcoin-core from version 0.16 to 0.17 and found that there is no way to see how much amount I sent only (excluding received amount) from my wallet. With bitcoin-core version 0.16, I ...
0
votes
0answers
30 views

How can i import a btc wallet into blockchain api v2

Hello I will use the bitcoin wallet api v2 to make payment from my website. My problem is i need to import my electrum wallet into blockchain wallet api v2, in the documentation i see that can be ...
0
votes
1answer
258 views

JSON with price AND daily change? [closed]

May be someone could point me towards a public API with Bitcoin price AND 24h change? Like $7'602 +2.3%? All APIs I've found (like coindesk's) only contain price, not change :(
1
vote
2answers
209 views

How can you create a transaction with multiple inputs from the Blockcypher API?

For example, I have two addresses and each of them has received 1 BTC. Now, I want to transfer 1.5 BTC to another address. How can I achieve this using the Blockcypher create transaction API?
1
vote
0answers
73 views

Getting mass addresses current balance

How can i get the current balance of massive addresses? I'm getting address balances now on blockchain.info but I need to check about 1000 of addresses in one minute. The issue is that they blocking ...
0
votes
1answer
91 views

Is there such a service as an unlimited Bitcoin wallet with an API?

Well, I did tons of research and currently I'm using bitcoinlib for python to have a wallet which should be able to hold over one million addresses and occassionally broadcast transactions. It has ...
0
votes
1answer
61 views

Api to automatically check the status of a BTC transaction

My team is working for a community of members who make donations in BTC to support a cause from time to time. The donations the details are stored in a database and displayed on their personal ...
1
vote
1answer
218 views

Unable to sendcoins using bitgo express apis

Trying to access API URL: https://test.bitgo.com/api/v2/tbtc/wallet/walletid38u5348t9yj958jtv985j89g5/sendcoins But every time getting same response: { "error": "You have called a BitGo Express ...
0
votes
1answer
32 views

How do I ask other nodes for their stale blocks?

I want data on as many stale blocks as possible. Is there a way to ask peer nodes to run "getchaintips" and get their results? Previously, I used Blockchain.info's API call for this, but it seems ...

1
2 3 4 5
13