> ## Documentation Index
> Fetch the complete documentation index at: https://rain-sandbox-trial.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Update a smart contract



## OpenAPI

````yaml put /issuing/contracts/{contractId}
openapi: 3.0.3
info:
  title: Issuing API
  description: This is the specification for Rain's Issuing API.
  termsOfService: https://www.rain.xyz/legal/authorized-user-terms
  contact:
    email: support@rain.xyz
  version: 1.3.0
servers:
  - url: https://api-dev.rain.xyz/v1
    description: Sandbox server
  - url: https://api.rain.xyz/v1
    description: Production server
security: []
tags:
  - name: paymentRoutes
    description: >-
      **Endpoint Migration:** The `/v1/automations` endpoints have been renamed
      to `/v1/payment-routes`. The old `/v1/automations` paths remain available
      as deprecated aliases during migration. Update your integrations to use
      `/v1/payment-routes` as the deprecated endpoints will be removed in a
      future release.
  - name: simulate
    description: >-
      Transaction simulation endpoints for testing integration flows in
      non-production environments. These endpoints let you trigger transaction
      events programmatically to automate integration tests and verify webhook
      handling without depending on external systems or staging real deposits.
      **Sandbox only** — all simulation endpoints return `404 Not Found` in
      production.
  - name: raindrops
    description: >-
      Rewards and points management endpoints. Custom API keys need
      `raindrops:read`/`raindrops:write` for general rewards endpoints and
      `raindrops-travel:read`/`raindrops-travel:write` for travel redemption
      endpoints.
    x-group: rewards
paths:
  /issuing/contracts/{contractId}:
    put:
      tags:
        - contracts
      summary: Update a smart contract
      operationId: updateSmartContract
      parameters:
        - name: contractId
          in: path
          description: Id of the smart contract to update
          required: true
          schema:
            type: string
            format: uuid
      requestBody:
        description: Contract update parameters
        content:
          application/json:
            schema:
              type: object
              required:
                - onramp
              properties:
                onramp:
                  type: boolean
                  description: >-
                    Enables virtual accounts for onramping. The only accepted
                    value is true; onramp cannot be disabled through this
                    endpoint.
                  enum:
                    - true
      responses:
        '200':
          description: Successful operation
          content:
            application/json:
              schema:
                type: object
                properties: {}
        '400':
          description: Invalid request
        '401':
          description: Invalid authorization
        '403':
          description: Forbidden
        '404':
          description: Contract not found
        '422':
          description: User or company has incomplete compliance data
        '500':
          description: Internal server error
      security:
        - ApiKeyAuth: []
components:
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      name: Api-Key
      in: header

````