sign
and all parameters with null or empty values. Then, sort the remaining parameters lexicographically.key1value1key2value2...
”.
API Key
to the string obtained from step 2.
md5
hash, in lowercase, to get the sign
. Include this sign
in the request parameters.
API Key
is:
non-empty
key-value pairs in dictionary order:
API key
to the string from the previous step: