Questions tagged [explorer-api]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
2 votes
2 answers
41 views

How to find if a block is finalized

Is there a simple way to find out if a given block is finalized in PoS Ethereum? Currently, I'm calling the endpoint ../eth/v1/beacon/states/finalized/finality_checkpoints of the Beacon Node and it ...
  • 2,581
1 vote
1 answer
22 views

How Do I Find Matching Ethereum Transactions Based On The Amount Of Ethereum Sent?

I am trying to locate a specific transaction on the Ethereum blockchain. I know the approximate amount which was sent, and that it was sent in 2019. I do not know the from address, to address, hash, ...
  • 121
0 votes
0 answers
49 views

API that lists ERC20 token holders and balance

I am looking for a service that provides an API that lists addresses holding a given ERC20 token holder and the amount held. The API would be similar to Etherscan's: https://docs.etherscan.io/api-...
  • 121
0 votes
0 answers
14 views

API Monitoring Tool Research Needs

I'm developing with Ethereum. I'm researching the Address monitoring tool and API monitoring tool now. I have researched many platforms, but they all provide single-node RPC data. Is there an API tool ...
0 votes
0 answers
28 views

How to differentiate 'normal transaction' values from 'internal transaction' values, avoiding duplicate values

I'm aggregating data from the Etherscan API and I'm trying to add all normal transactions and internal transactions together and then calculating the balance of ETH for a wallet based on the past ...
0 votes
0 answers
16 views

How can I hide a transaction in Ethereum Private Network Explorer

I want to hide a transaction from ethp explorer, means I will transfer fund from a to b and this transaction will not show in block explorer. How can I do that?
  • 1
0 votes
0 answers
23 views

Geth doesn't handle Large number of Requests

We have a privateblockchain setup in an ec2 instance, I am trying to send 300 requests in one minute from a node server to the privateblockchain using web3.js The blockchain server runs out of ...
0 votes
1 answer
60 views

How to get state of transaction from ethereum blockchain via an API

How to get state of transaction from ethereum blockchain via an API is there any API to fetch the State of the transaction
0 votes
1 answer
31 views

How to automate tokenomics research and data collection?

I want to create a tokenomics database. I want to build a bot to automate data collection that answers for each token on the blockchain some of the questions asked and answered in this article. I am a ...
  • 189
0 votes
0 answers
11 views

Suggest some best ways to get complete understanding of API's and it's intigration with UI, web3 scrips for a blockchain developer?

I am looking for various resources to learn about API's end-to-end, and those resources could be useful for a blockchain developer to become a full-stack developer, and an individual need's to get a ...
1 vote
1 answer
2k views

What is the best OPEN-Source ETH explorer? (alternative to etherscan) [duplicate]

What is the best OPEN-Source ETH explorer? I ve seen the following answer : Open Source Ethereum Blockchain Explorer Is these the only 3 open source alternatives to etherscan? EthVM BlockScout ...
0 votes
1 answer
91 views

Get contract address and total holders from a hash transaction

I would like to know if it is possible just from a transaction hash (like this one: '0x98daf5eb1fe55d9ebed51b1ee0b7dcb3bfe04ea5bb0663d40927a683771cdc09') to be able to retrieve the contract address of ...
0 votes
1 answer
146 views

What is and where to see in transaction in Etherscan the fields result.contractAddress and result.confirmations in API?

When I download data from a contract using API there are 2 fields that i cannot understand in which part of transaction in Etherscan are these numbers and maybe give me the definition of those fields: ...
2 votes
1 answer
860 views

List all transactions for a block

Within a program, I would like to process a list of all normal transactions for an Ethereum block. Specifically for each transaction in the block the transferred ETH value, sender address and receiver ...
  • 131
1 vote
0 answers
191 views

How do I query specific transaction data using Covalent API?

I'm using the following Covalent API endpoint: https://api.covalenthq.com/v1/137/address/<walletaddress>/transactions_v2/?&key=<apikey> It returns tons of data. I'd like to query ...
1 vote
1 answer
2k views

Checking whether a contract is verified on Etherscan or BSCscan through an API?

I've been trying to write a script to monitor new pairs created on Pancakeswap to see if there are tokens worth investing into. However I've noticed that 80% + of those are scams, and most of the time ...
  • 21
1 vote
0 answers
155 views

Query ethereum from C++

I was wondering if its possible (essentially if there exists a library) to query a node (either IPC or RPC) on ethereum. For example there is web3(py,js), there is ethereum in golang and probably ...
  • 105
2 votes
2 answers
1k views

Is possible to identify a transaction that deploy a new token in BSCScan API?

I have access to the BSCScan API to take last transactions by calling for the last block: https://api.bscscan.com/api?module=proxy&action=eth_blockNumber Result: { "jsonrpc": "2.0&...
  • 314
2 votes
1 answer
334 views

how to fetch net worth of a given address?

Take this whale wallet for example: https://etherscan.io/tokenholdings?a=0xa929022c9107643515f5c777ce9a910f0d1e490c If you look at the top right, it says Value in USD. Is there any any API that can ...
0 votes
2 answers
1k views

Etherscan API Get Balance - Decimals Not Showing In Response

Expected Use the Etherscan API to make a GET request for an ETH address' balance in order to receive a response providing the Ether token quantity representing all decimal places. Observed The ...
0 votes
1 answer
190 views

Cost at block number

Is their any API available that gets me the price of Eth in USD for example at a particular blocknumber?
1 vote
1 answer
92 views

Get deployed contract dynamically in node JS

I am using Node JS and ethereum smart-contract. Every time contract gets deployed new addresses generated. Is there a way that node JS always gets an updated address of a contract? Any API so that I ...
  • 359
2 votes
1 answer
736 views

How can I query an API to get my erc20 token balance of an address in JSON format?

Is there an api where I can query if an address contains an erc20 token? I need it returned in JSON format.
0 votes
0 answers
799 views

How to connect to Etherscan Ropsten API using python

I want to connect to the etherscan Ropsten test-net with python: URL = 'https://api-ropsten.etherscan.io/api?module=contract&action=getsourcecode&address=...
1 vote
2 answers
2k views

Could I use Infura to get the token details?

I went through https://infura.io/docs but not sure if Infura could allow me to read token details like owner, token Id, etc. I also googled on how to read token using Infura but to no avail. Has ...
2 votes
1 answer
294 views

What is the ABI code of a map's getter function?

I'm currently trying to call Etherscan's API eth_call to check data from a smart contract. To do that, I need to pass the function ABI code and data. However, the data I need is stored in a map and I'...
  • 542
2 votes
0 answers
249 views

Web3 method getTransactionReceipt() does not return token transfer value for particular token transaction

I've tested getTransactionReceipt(), to get all detail about transaction with amount of token transfer. Also tested getTransaction but it returns only Ether transferred value. Is there any other ...
  • 367
0 votes
2 answers
684 views

Is there any working provider for Ethereum Classic APIs?

Provider used for Ethereum is Infura, but there is no any provider for Ethereum Classic. Previously tested Ethercluster endpoint to access APIs for Ethereum Classic, not able to connect with Kotti ...
  • 367
0 votes
1 answer
150 views

Is there any API to create Addresss and wallet as well as make transfer for ETC (Ethereum Classic)?

There is balance checking, transaction list and transaction receipt getting APIs available for Ethereum Classic (ETC)? Is ETC coin is only available on Ethereum Classic or its listed block explorer ...
  • 367
5 votes
2 answers
4k views

Etherscan api for Ropsten testnet

I found this endpoint is to obtain the token balance from Ethereum blockchain, however, I noticed that this function doesn't work on Rospten network. Please advise https://api.etherscan.io/api?module=...
  • 173
0 votes
1 answer
109 views

Any QuickBlocks tutorial?

From my understanding QuickBlocks is an api in C++ that provides similar services as etherscan API for the ethereum blockchain. Is there a link or tutorial to use quickkblocks because the example in ...
1 vote
1 answer
182 views

Query a block explorer to return the balance of a specific type of token in an ethereum address? [duplicate]

Is there a block explorer where one can query an address and it outputs the balance of a specific type of token? Is there an example of how this can be done?
0 votes
1 answer
309 views

getting result of a method of smart contract that don't change any state variables

I know in ethereum if a method of smart contract don't change state variables we can see it's result without making any transaction. now I want to know how can see result of this method ...
1 vote
0 answers
68 views

Search addresses by Two ERC20 Tokens [closed]

Hello, friends! How to find Eth addresses that are stored at the same time 2 (or 3) defined ERC20 tokens? I'm just an ordinary user, so would be grateful for the solutions to make it simple. ...
6 votes
8 answers
8k views

Is there any websocket ethereum provider?

Is there any websocket ethereum provider? Except etherscan one. Maybe there are paid wss subscriptions?
  • 71
1 vote
1 answer
68 views

Where, or how, can I programmatically get a complete history of the major cryptocurrencies?

I would like to programmatically get a complete list of the historical: Number of transactions Average Transaction Fee Hashrate Mining Profitability Difficulty Block Time Block Size related to the ...
0 votes
0 answers
33 views

What actually happens on the blockchain as a storage element is updated over time? [duplicate]

An "under the hood question" about actual contract storage elements. If I add an element to a contract storage data time, for example, a list of zombies owned by different people in a game, what ...
1 vote
2 answers
399 views

Can I download all transactions into EOS ICO as a excel file?

I would like to download all transactions into EOS ICO as an excel file. I know etherscan provides this service but it only allows me to download 2000 transactions. But the transactions into EOS crowd ...
8 votes
3 answers
12k views

API to gather list of top token holders

I working on a Ethereum project and I would like to gather a list of top X (20 for example) Ethereum accounts. This would behave similar to etherscan.io (https://etherscan.io/accounts) Is there an ...
  • 83
0 votes
2 answers
139 views

Missing ETH in EOSCrowdsale address

EOS is a ERC20 token which is currently sold for ETH. 2 million EOS are sold every 23 hours for about 20K ETH as seen on https://eos.io/distribution/ However, what puzzle me is that when I do a ...
4 votes
2 answers
4k views

How to get contract data?

Let's say we have information about WePower contract. I would like get some information about this contract via API. For eg. this, https://api.etherscan.io/api?module=contract&action=getabi&...
2 votes
1 answer
2k views

Etherscan Get ERC20 Count of Address

How do I get the count of an erc20 token e.g. KNC of an address via Etherscan API? Or is there another API that can do that? thx
  • 434
14 votes
5 answers
12k views

REST-Like API for Ethereum

I'm researching REST-Like API services for Ethereum in order to use it on our service. However, there are only a few services I could find. I'd very grateful if you could share the other services. ...
  • 1,433
6 votes
1 answer
2k views

API resource for determining all address holders of a contract

I would like a RESTful API for viewing all addresses which holds a balance of a specific contract. It seems that etherscan.io deprecated this feature, or I'm looking at the wrong endpoints Are there ...
  • 147
1 vote
0 answers
209 views

Ethereum token sale api

I was curious, and well am not a developer. However I was wondering if someone could provide the code to create the /ethereum sent to an ico contract addresss/ API from etherscan. Dcorp and several ...
5 votes
6 answers
13k views

Are there any blockchain/transaction APIs for the Ethereum network?

In the Bitcoin world there are a number of APIs such as: blockchain.info blockr.io blockcypher.com etc. which allow a web application to access block and transaction data from the blockchain, as ...
  • 21.1k