Quote from: nmat on November 30, 2011, 05:23:05 AM

I thought it was the height, but that wouldn't work. What exactly is the block index?

Because I allow store orphaned blocks the block height cannot be used as a blocks primary key, instead I use a key called block index. If you can lookup by block index then please do as I cache by block index so lookups are faster, otherwise use

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/block-height/$block_height?format=json

.

Added two new api calls:

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/rawaddr - to get information about an address

/unspent - get the unspent outputs of one or multiple addresses.

Also regarding usage of this api, if you are displaying data on a public website then please a link back to blockchain.info. + I have a 200GB bandwidth limit so please go easy (or donate).