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cURL + OpenSSL

Headers

X-Request-ID
string

Partner-generated correlation identifier echoed in logs and error payloads.

Body

application/json
key_id
string
required

Public identifier of the API key generated from the MARKO entity admin API section.

timestamp
integer
required

Unix timestamp in seconds. Requests outside the accepted clock skew are rejected.

nonce
string
required

Unique random value. Reusing a nonce for the same key is rejected.

signature
string
required

HMAC-SHA256 hex digest of the canonical exchange message.

Pattern: ^[A-Fa-f0-9]{64}$

Response

Successful response