> ## Documentation Index
> Fetch the complete documentation index at: https://apidocs.seismic-cards.systems/llms.txt
> Use this file to discover all available pages before exploring further.

# Update a card

> Updates the card label and/or monthly spend limit on the issuer.



## OpenAPI

````yaml /openapi.json patch /v1/cards/{id}
openapi: 3.1.0
info:
  title: Seismic Card Issuance API
  version: 1.0.0
  description: >-
    The Seismic Card Issuance API is the integration surface for issuing and
    managing cards. Authenticate with your Seismic API key, onboard applicants,
    run KYC, and issue virtual or physical cards — all through one white-labeled
    API.
  contact:
    name: Seismic Support
    url: https://seismic.systems
servers:
  - url: https://api.seismic-cards.systems
    description: Production
  - url: http://localhost:4000
    description: Local development
security:
  - bearerAuth: []
tags:
  - name: Authentication
    description: Exchange Seismic API keys for a short-lived access token.
  - name: Applicants
    description: End-users and businesses, plus their identity verification (KYC).
  - name: KYC
    description: >-
      Identity verification settings, hosted sessions, BYOK share tokens, and
      issuer readiness.
    x-group: Identity verification (KYC)
  - name: Accounts
    description: Funding accounts that back issued cards.
  - name: Cardholders
    description: Approved applicants turned into cardholders.
  - name: Cards
    description: Issue and manage virtual and physical cards.
  - name: Transactions
    description: Card transaction history from the issuer or local ledger.
  - name: Widget SDK
    description: >-
      Public Seismic-hosted Widget.js for Method 1 card reveal (no auth).
      PAN/CVV render inside PCI iframes.
  - name: Card funding
    description: >-
      Fund prepaid cards with stablecoins: Seismic wallet service or
      bring-your-own (BYO) external wallet.
paths:
  /v1/cards/{id}:
    patch:
      tags:
        - Cards
      summary: Update a card
      description: Updates the card label and/or monthly spend limit on the issuer.
      operationId: updateCardsById
      parameters:
        - $ref: '#/components/parameters/IdPath'
      requestBody:
        content:
          application/json:
            schema:
              type: object
              properties:
                label:
                  type: string
                spend_limit_cents:
                  type: integer
                  description: Monthly spend cap in cents. Use 0 to remove the limit.
            example:
              label: Travel card
              spend_limit_cents: 100000
      responses:
        '200':
          description: Updated card.
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    $ref: '#/components/schemas/Card'
              example:
                data:
                  id: card_abc123
                  label: Travel card
                  spend_limit_cents: 100000
components:
  parameters:
    IdPath:
      name: id
      in: path
      required: true
      schema:
        type: string
      description: Resource identifier.
  schemas:
    Card:
      type: object
      description: >-
        An issued card. List/get responses never include full PAN/CVV. Reveal
        via `GET /v1/cards/{id}/secure-details` (Widget.js token) or, for PCI
        DSS Level 1 orgs, `POST /v1/cards/{id}/payment-details` (RSA-OAEP +
        AES-256-GCM encrypted envelope).
      properties:
        id:
          type: string
        programId:
          type: string
        accountId:
          type: string
        cardholderId:
          type: string
        formFactor:
          type: string
          enum:
            - VIRTUAL
            - PHYSICAL
        status:
          type: string
          enum:
            - INACTIVE
            - ACTIVE
            - FROZEN
            - CLOSED
        lastFour:
          type: string
          example: '4242'
        expiry:
          type: string
          example: 12/29
        createdAt:
          type: string
          format: date-time
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: >-
        Bearer access token obtained from `POST /v1/oauth/token` using your
        Seismic API key.

````