> ## Documentation Index
> Fetch the complete documentation index at: https://docs.fyatu.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Card Unfrozen

> Sent when a frozen card is reactivated and becomes usable again.

<RequestExample>
  ```json Webhook Payload theme={null}
  {
    "event": "card.unfrozen",
    "version": "3.0",
    "eventId": "3c8d9703-ba5f-4873-9de5-bda8335d2e7d",
    "sign": "c0ca49ab02cd8eda8cca4fb553f24923cc0381f76df48fa149975509df7de38e",
    "data": {
      "cardId": "a4e8f2b6c9d1e3f7a2b5c8d0e4f1a3b6c9d2e5f8a1b4c7d0e3",
      "cardholderId": "8f4e2a1b3c5d7e9f0a2b4c6d8e0f1a3b5c7d",
      "cardName": "JOHN DOE",
      "last4": "9720",
      "appId": "A1B2C3D4E5F6G7H8",
      "timestamp": "2026-05-09T23:58:24Z"
    }
  }
  ```
</RequestExample>

<ResponseExample>
  ```json 200 theme={null}
  {}
  ```
</ResponseExample>


## OpenAPI

````yaml v3/openapi.json webhook card.unfrozen
openapi: 3.1.0
info:
  title: FYATU API v3
  description: >-
    FYATU API v3 with JWT authentication for Collections, Payouts, and Card
    Issuing.
  version: 3.0.0
  contact:
    name: FYATU Support
    url: https://fyatu.com
    email: support@fyatu.com
servers:
  - url: https://api.fyatu.com/api/v3
    description: Production
security: []
tags:
  - name: Authentication
    description: JWT token management endpoints
  - name: Account
    description: Business account, wallet, and address management
  - name: Collections
    description: Accept payments from customers via checkout sessions
  - name: Refunds
    description: Issue refunds for completed collections
  - name: Payouts
    description: Send money to Fyatu account holders
  - name: Cardholders
    description: Cardholder management for card issuing programs
  - name: Cards
    description: Issue, fund, freeze, and manage virtual cards
  - name: Webhooks
    description: Webhook configuration and management
paths: {}

````