Auth: Verify Cancel

Alpha Version

The Ostium Builder Service is in Alpha. API endpoints, specifications, and builder URLs may change without notice. Use with caution in production environments.

POST /v1/auth/verify-cancel

Verifies a signed cancel message and deletes the unverified delegate wallet record.

Headers

Header	Required	Description
`X-Trader-Address`	Yes	Trader wallet address.
`Content-Type`	Yes	`application/json` or `text/plain` (JSON string).

Request Body

Field	Type	Required	Description
`message`	`string`	Yes	Message returned by `/v1/auth/cancel`.
`signature`	`string`	Yes	Signature for the message.

Response Body

Field	Type	Required	Description
`success`	`boolean`	Yes	Whether the action succeeded.
`mode`	`string`	Yes	Always `cancel`.
`smartAccountAddress`	`string`	Yes	Smart account address.
`delegatedTo`	`string`	Yes	Current delegate address.

Example

curl -X POST https://builder.ostiscan.xyz/v1/auth/verify-cancel \
  -H "Content-Type: application/json" \
  -H "X-Trader-Address: 0xYourWallet" \
  -d '{"message":"<message>","signature":"0x..."}'

Example Response

{
  "success": true,
  "mode": "cancel",
  "smartAccountAddress": "0x...",
  "delegatedTo": "0x0000000000000000000000000000000000000000"
}

Errors

See /docs/errors.