Ethereum Stack Exchange
Ethereum Stack Exchange

Questions tagged [external-api]

166 questions
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1 answer

Transaction api question for using remote Node such as infura

I want to have a function to send eth to another address by php program, and I do not want to run a local node on my server. Can I use infura as the web3 provider and use the API to send eth to another address? That means, can I use infura as the…
Louis
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3 answers

Getting ETH price with ethplorer API

Simple question: It seems like ethplorer doesn't expose the ETH price via their public api: https://github.com/EverexIO/Ethplorer/wiki/Ethplorer-API Am I missing anything, or do I have to rely on another API for this information?
Shawn Tabrizi
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curl ethereum -d question

How can I change the following to php format? what means the -d @...jaon, it means the parameter for this curl is json and post to the url? cat call.json { "private": "3ca40...", "gas_limit": 20000 } curl -d @call.json -s…
ethereumk
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any ethereum web wallet without running local node

any php script for eth web wallet without ruining a local node on my server? So I can integrate the web wallet into my site without running local node on my server. By the way, how big the size of the eth local node will be and how much bandwidth…
Louis
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1 answer

Calling External Web Service from Smart Contract

Trying to find a way to invoke a external web service to perform any operation based on some action on the smart contract. Request to share details as to how to perform the same.
Susmit
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Is it possible to run a program/function written in different language from solidity?

I have a script written in a different language to get executed and verified by miners of the network. Is there a way to call this script from solidity smart contract?
Emrah
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Add param to API POST request

I need to query this endpoint '''https://******com/api/payments/{payment_id}/refund''' Because it is a post request, I assume that the payment_id param needs to be in the body of the request. How do I add that parameter? Because it is in the middle…
Dani69654
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Free API To Get Ethereum Price

I am looking for a free api to get ETHEREUM CRYPTO CURRENCY PRICE. Entire yesterday i was searching google & test many web sites. But result was zero for ethereum price. Here is what i tried…
SilverLight
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What is the best free api for ETHEREUM price

I use the api below for bitcoin price : https://api.coindesk.com/v1/bpi/currentprice.json But coindesk hasn't ETHEREUM price in it's api. What api should i use to get ETHEREUM price? Also the api below does not work any more…
SilverLight
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Download Etherscan input data via API

I am unable to find the correct API call format to download the input data field from the event log of each transaction - is there a way to use API key to download this information? I am referring to downloading the data of this input data field:
cg202220
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any good way to keep listenning the events of erc20 transfer and noticed by a url call

I think I can keep calling by etherscan to find new transactions and I the best way is that I can receive a url callback once an event created on erc20 token event log. Any API I can use for this? Or I must keep calling etherscan API for doing…
Louis
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Is there an API for the amount of Ethereum mined in a given time frame?

I'm looking for an api that will give me both historical information and realtime information about how many blocks were mined in a given time frame. I'm also looking for data regarding the total current amount of Ethereum. I need this information…
David Kamer
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