timestamp
required

Timestamp of the request in milliseconds.

Number

nonce
required

Random number, has to be unique for api calls within last 24 hours.

Number

signature
required

HMAC sha256 hex encoded hash, using the users secret_key as encryption key, has to be UTF8 formatted. The query string build with all the other parameters has to be ordered alphabeticaly and structured by the following schema: 'name=value' joined by '?'

String

institute_id
required

ID of the institute the users are from

Number