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DELETE
/
v1
/
webhooks
/
subscriptions
/
{subscription_id}
Delete a webhook subscription
curl --request DELETE \
  --url https://sandbox.api.byzantine.fi/v1/webhooks/subscriptions/{subscription_id} \
  --header 'X-Pubkey: <x-pubkey>' \
  --header 'X-Pubkey, X-Timestamp, X-Signature: <api-key>' \
  --header 'X-Signature: <x-signature>' \
  --header 'X-Timestamp: <x-timestamp>'

Authorizations

​
X-Pubkey, X-Timestamp, X-Signature
string
header
required

Headers

​
X-Pubkey
string
required

Integrator's ECDSA public key (P-256 curve, compressed SEC1 format). Example: 0x038fedef7c12f93bbf342ad8943b7a825a3b41f61c9dc118b2c718efebabbf62fd

​
X-Timestamp
string
required

Unix timestamp in seconds (UTC). Must be within tolerance window (1 minute) to prevent replay attacks. Example: 1760375826

​
X-Signature
string
required

ECDSA signature (DER-encoded, hex with 0x prefix). Signs the message: {timestamp}{METHOD}{path_and_query}{json_body}. Example: 0x3045022100...

Response

200

Webhook subscription deleted