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I got an API key from blockchain.info to bypass the request limiter, but I don't know how to use it and I can't find any relevant info online.

 url = "https://blockchain.info/rawblock/" + str(s)
        usock = urlopen(url)
        data = usock.read()

where variable s is the block height.

As the python blockchain.info API states:

https://blockchain.info/rawaddr/$bitcoin_address Address can be base58 or hash160 Optional limit parameter to show n transactions e.g. &limit=50 (Default: 50, Max: 50)

BUT it also states:

Request limits and API keys In order to prevent abuse some API methods require an API key approved with some basic contact information and a description of its intended use. Please request an API key here.

The same API key can be used to bypass the request limiter.

However, I don't know how to incorporate it in the function.

Any advice is appreciated!

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You need to get an "api_code", then use that when making calls.

You can use their official python client.

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  • Hi Jonathan...I have the api key (i assume it s the same as api code you re referring to). I have been using the python client and getting the data I want but the issue is that for a certain wallet address I can get only 50 transactions of let s say 800. My question is how can I incorporate the API key in the python script and download all of the transactions instead of just 50.
    – Andreas
    May 12, 2019 at 20:24
  • 1
    @AndreasManousakis It looks like you can just add the api_code as a parameter: github.com/blockchain/api-v1-client-python/blob/…
    – Jonathan Cross
    May 18, 2019 at 17:45

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