DELETE /sell/api/v1/offers/{id}
Cancel a resting seller offer.
Auth: X-Seller-API-Key.
Advanced Market clients can use the equivalent raw
DELETE /v1/sellers/{id}/asks/{ask_id} operation beneath /market/api.
Response: 204 on success, 404 if the offer is unknown.
curl -s -X DELETE https://aispotmarket.com/sell/api/v1/offers/OFFER_ID \
-H "X-Seller-API-Key: $SPOT_SELLER_KEY"