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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>'
import requests

url = "https://sandbox.api.byzantine.fi/v1/webhooks/subscriptions/{subscription_id}"

headers = {
"X-Pubkey": "<x-pubkey>",
"X-Timestamp": "<x-timestamp>",
"X-Signature": "<x-signature>",
"X-Pubkey, X-Timestamp, X-Signature": "<api-key>"
}

response = requests.delete(url, headers=headers)

print(response.text)
const options = {
method: 'DELETE',
headers: {
'X-Pubkey': '<x-pubkey>',
'X-Timestamp': '<x-timestamp>',
'X-Signature': '<x-signature>',
'X-Pubkey, X-Timestamp, X-Signature': '<api-key>'
}
};

fetch('https://sandbox.api.byzantine.fi/v1/webhooks/subscriptions/{subscription_id}', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));

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