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Questions tagged [exchange-api]

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0
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0answers
14 views

Is there any API for contract deploy in ropstan testnet? [duplicate]

To deploy contract through API on ropsten is there any API?
0
votes
1answer
334 views

etherscan request API limit [closed]

i want to know the limit request on etherscan API with API key, and limit if we go on paid service. thanks in advance.
0
votes
1answer
114 views

What determines the price of the ERC-20 token on a trading exchange?

I know that ERC-20 tokens are traded in pairs on the trading exchanges, but what essentially determines the price in USD? I would like to know if there's a specific algorithm that does the calculation....
0
votes
1answer
72 views

API or websocket

I am trying to develop an crypto traking site like coinmarketcap, for market data I am using exchanges API. but I am little bit confuse whether i should use api or websocket? as i don't have much ...
1
vote
0answers
14 views

API of EtherEx, give an example

Please give an example how to use EtherEx API from both JavaScript and Python programs. Where should I connect before sending a method call? I am especially interested in add_market method.
0
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1answer
923 views

What are the popular API to get current exchange rates for Ethereum to USD

Can you please list all the API providers for cryptocurrency to USD Thanks in advance.
2
votes
1answer
140 views

Ether exchange for mobile app users

I am working on an ethereum powered mobile app and want to know the best to way to integrate an exchange for new users who do not have an existing accounts to purchase ether? What's the best way for ...
1
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1answer
1k views

Trading with smart contract

I am writing a smart contract as a fund for me and some friends to invest ETH in, allowing for investment proposals to be submitted and voted on. For example, 10 people each put in between 1 and 10 ...
4
votes
2answers
698 views

Is there an API which allows to download source code of contracts?

I am doing research into the security of smart contracts and was hoping to gather a dataset containing smart contract source codes. I was wondering if there is an API which allows this. At etherscan ...
0
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1answer
355 views

How to retrieve difficulty via api

Im trying to retrieve the current difficulty value via api and parse the value only using JQ. In this example it is etherchains api. Currently my output is curl 'https://etherchain.org/api/...
-3
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1answer
321 views

Did I actually just win 1 Ethereum? Is it truly mine?

I was looking for coins to mine & exchange for bitcoins when I found out about Ethereum. I have literally no knowledge about it or anything at all. I went for a site (https://freeeth.me/) to win ...
1
vote
1answer
947 views

How do you track total supply of a currency (smart contract) on the Ethereum blockchain?

For a newly created crypto currency based on the Ethereum blockchain, how can the creator and the public in general track the current total supply of the coin, provided he enables mining new coins on ...
2
votes
1answer
827 views

Gemini API Read Response / Content?

So I'm trying to test an authenticated response from Gemini. I get a "response", but not what I expect... it comes back as an html string, not "an array of balances" like the API suggests I should get....