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API ReferenceOn Chain Earn

Purchase product

Subscribe to a staking or DeFi product by submitting one or more investment currencies and amounts.

Authentication

OK-ACCESS-KEYstring
Your API key.
OK-ACCESS-SIGNstring

Base64-encoded HMAC-SHA256 signature of the prehash string.

OK-ACCESS-TIMESTAMPstring

ISO 8601 UTC timestamp, e.g. 2020-12-08T09:08:57.715Z.

OK-ACCESS-PASSPHRASEstring
The passphrase you set when creating the API key.

Request

This endpoint expects an object.
productIdstringRequired
Product ID to subscribe to.
investDatalist of objectsRequired
Investment data specifying the currency and amount for each leg.
termstringOptional

Investment term in days. Required for fixed-term products.

tagstringOptional

Order tag. A combination of case-sensitive alphanumerics, up to 16 characters.

Response

Successful response
codestringOptional

Result code. 0 means success; any other value is an error code.

msgstringOptional
Error message. Empty on success.
datalist of objectsOptional