# Delete a stored card

## Invalidate a Card Token

> Invalidates a previously generated card token, preventing its future use for transactions

```json
{"openapi":"3.0.0","info":{"title":"Card Token Invalidation API","version":"3.0.0"},"servers":[{"url":"https://cc-api-stg.onekeypayments.com","description":"Staging server"}],"security":[{"ApiAuth":[]}],"components":{"securitySchemes":{"ApiAuth":{"type":"apiKey","in":"header","name":"Authorization","description":"Authorization control hash"}}},"paths":{"/v3/tokenization/{card_identifier}":{"delete":{"summary":"Invalidate a Card Token","description":"Invalidates a previously generated card token, preventing its future use for transactions","parameters":[{"name":"card_identifier","in":"path","required":true,"description":"The unique card token to invalidate","schema":{"type":"string"}},{"name":"Content-Type","in":"header","required":true,"description":"Media type of the body sent to the API","schema":{"type":"string","default":"application/json"}},{"name":"X-Date","in":"header","required":true,"description":"ISO8601 Datetime with Timezone (yyyy-MM-dd'T'HH:mm:ssZ)","schema":{"type":"string","format":"date-time"}},{"name":"X-Login","in":"header","required":true,"description":"Merchant X-Login API Key","schema":{"type":"string"}},{"name":"X-Idempotency-Key","in":"header","required":false,"description":"Unique idempotency key for ensuring that the same request is not processed more than once","schema":{"type":"string"}}],"responses":{"204":{"description":"Card token successfully invalidated","content":{}},"401":{"description":"Authentication error","content":{"application/json":{"schema":{"type":"object","properties":{"code":{"type":"integer","enum":[511,512]},"description":{"type":"string"}}}}}},"404":{"description":"Token not found","content":{"application/json":{"schema":{"type":"object","properties":{"code":{"type":"integer"},"description":{"type":"string"}}}}}}}}}}}
```