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Is there any websocket ethereum provider? Except etherscan one. Maybe there are paid wss subscriptions?

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Use Infura.io to connect to different blockchains. You will need an account and project id.

Steps to create an Infura.io Project and remarks

1) Open Infura.io page and sign up for an account. On your dashboard, you now can create a new project.

enter image description here

2) Change the endpoint to Kovan and directly copy the endpoint URL for connecting to blockchain.

3) The web socket URL is slightly different from the http interface — the correct pattern for web services is:

wss://kovan.infura.io/ws/v3/{your-infura-project-id}  

Please, be aware that your personal API key to use Infura should be secret. So, don’t give it away to anyone else.

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Infura!

wss://mainnet.infura.io/ws
wss://ropsten.infura.io/ws
wss://rinkeby.infura.io/ws
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  • don't see any info about wss in their doc, am I reaching the wrong documentation? Or how do I access wss one? – Alexey May 25 '18 at 3:18
  • Nothing special to access: var web3 = new Web3(Web3.givenProvider || 'wss://mainnet.infura.io/_ws');. You can track some of the websocket talk on their GitHub. – Shawn Tabrizi May 25 '18 at 3:29
  • Is it somekind of reliable/stable working service? cuz i don't see any responses from wss://mainnet.infura.io/ws – Alexey May 25 '18 at 3:31
  • Isn't there any ready to use wss, which isn't in beta/is fully supported? – Alexey May 25 '18 at 3:47
  • Try wss://mainnet.infura.io/_ws, note the underscore. – Shawn Tabrizi May 25 '18 at 3:54
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Infura websocket support is now documented here.

From the intro:

Infura's websocket endpoint provides support for Pub/Sub API as well as JSON-RPC filter support.

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Amberdata.io!

wss://ws.web3api.io

See docs

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    Hi @foba if you need to disclose something, please do so. meta.stackexchange.com/questions/57497/… You may have edited around 10 or more questions with this website. Thanks – eth Jul 13 '19 at 8:06
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    this is really awesome. normally I use infura but sometimes infura doesn't response on websocket. – kodmanyagha Sep 24 '19 at 21:03
  • @kodmanyagha Yeah! Did you try it out? We have a nice tool as well to make listening for blockchain or market data simple: github.com/web3data/web3data-js – foba Nov 6 '19 at 22:04
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QuikNode.io offers dedicated ETH nodes with https:// and wss:// endpoints.

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I'm using

const web3 = new Web3(new Web3.providers.WebsocketProvider("wss://mainnet.infura.io/ws"))
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Have you tried Fiews?

https://fiews.io/

I use them for my Chainlink Node and they work great!

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