# Create spend rules for a managed card

Create the spend rules associated with the managed card identified by the `id` path parameter.

Endpoint: POST /managed_cards/{id}/spend_rules
Version: v3
Security: auth_token, api-key

## Path parameters:

  - `id` (string, required)

## Header parameters:

  - `idempotency-ref` (string)
    A unique call reference generated by the caller that, taking into consideration the payload as well as the operation itself, helps avoid duplicate operations. Idempotency reference uniqueness is maintained for at least 24 hours.

## Request fields (application/json):

  - `minTransactionAmount` (integer)
    The minimum transaction amount, in card currency, that is allowed. If the transaction amount is less than this value, then the transaction will be declined.

  - `maxTransactionAmount` (integer)
    The maximum transaction amount, in card currency, that is allowed. If the transaction amount is greater than this value, then the transaction will be declined.

## Response 400 fields (application/json):

  - `message` (string)
    When present helps to identify and fix the problem.

  - `syntaxErrors` (object)
    Is returned as part of an HTTP error response whenever a syntax error is detected. A list of the fields together with their syntax error will be provided.

  - `syntaxErrors.invalidFields` (array)

  - `syntaxErrors.invalidFields.params` (array)

  - `syntaxErrors.invalidFields.fieldName` (string)

  - `syntaxErrors.invalidFields.error` (string)
    Enum: "REQUIRED", "HAS_TEXT", "REQUIRES", "SIZE", "RANGE", "IN", "NOT_IN", "REGEX", "EXACTLY", "AT_LEAST", "AT_MOST", "ALL_OR_NONE"

## Response 403 fields (application/json):

  - `errorCode` (string)
    Enum: "INSUFFICIENT_PERMISSIONS"

## Response 404 fields (application/json):

  - `code` (string)

  - `message` (string)

## Response 409 fields (application/json):

  - `errorCode` (string)
    Enum: "SPEND_LIMIT_CURRENCY_DIFFERENT_FROM_CARD_CURRENCY", "SPEND_LIMIT_NOT_SUPPORTED_FOR_PREPAID_MODE_CARD", "SPEND_LIMIT_DUPLICATE_INTERVAL", "SPEND_LIMIT_AMOUNT_INVALID", "SPEND_RULE_ALREADY_SET", "SPEND_LIMIT_CURRENCY_DIFFERENT_FROM_USER_CURRENCY"

## Response default fields (application/json):

  - `code` (string)

  - `message` (string)