Registers a new webhook endpoint. The response includes the secretKey for HMAC-SHA256 signature verification — it is shown only once. Store it securely.
Partner API key. Format: sk_branch_<32chars>, sk_personal_<32chars>, or pk_<32chars> (public, read-only)
Webhook registered. The secretKey field is shown only in this response.
"550e8400-e29b-41d4-a716-446655440000"
"https://example.com/webhooks/exchange"
order.created, order.status_changed, order.cancelled, offer.updated ["order.created", "order.status_changed"]true
0
HMAC-SHA256 signing secret. Shown only once — store securely.
"a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2c3d4e5f6a1b2"
"Store this secret key securely — it will not be shown again. Use it to verify HMAC-SHA256 signatures."