# Create Multiple Charges

Create multiple charges in a single request.

Use Case: Creating charges for multiple billable entities at once (e.g., batch from recurring billing).

Atomicity: All charges are created in a single transaction. If any fails, all are rolled back.

Endpoint: POST /charges/bulk
Version: 1.0.0
Security: OAuth2

## Header parameters:

  - `Idempotency-Key` (string)
    Unique key to ensure idempotent operations (UUID recommended)

## Request fields (application/json):

  - `charges` (array, required)
    Array of charges to create (max 100)

  - `charges.billableEntityId` (string, required)

  - `charges.subscriptionId` (string)

  - `charges.rateId` (string, required)

  - `charges.quantity` (number, required)

  - `charges.prorationFactor` (number)

  - `charges.allocationConfigId` (string, required)

  - `charges.discountRateIds` (array)

  - `charges.overrideAllocation` (object)

  - `charges.eventDate` (string, required)

  - `charges.tags` (object)

## Response 201 fields (application/json):

  - `data` (array)

  - `data.id` (string, required)

  - `data.entityId` (string, required)

  - `data.billableEntityId` (string, required)

  - `data.accountId` (string)
    Primary account for this charge (from allocation)

  - `data.subscriptionId` (string,null)
    Subscription that generated this charge (if any)

  - `data.rateId` (string, required)

  - `data.quantity` (number, required)

  - `data.amount` (integer, required)
    Amount in cents BEFORE discounts

  - `data.prorationFactor` (number)
    Proration factor (e.g., 0.5 for half month)

  - `data.proratedAmount` (integer)
    Amount after proration (in cents)

  - `data.netAmount` (integer, required)
    Final amount after discounts (in cents)

  - `data.discountRateIds` (array)

  - `data.discountAmounts` (array)
    Discount amounts in cents (parallel to discountRateIds)

  - `data.allocationConfigId` (string, required)

  - `data.overrideAllocation` (object)
    Manual allocation override (optional)

  - `data.status` (string, required)
    Status of mutable charge
    Enum: "PENDING", "BILLED", "VOID"

  - `data.eventDate` (string, required)
    Date of the event that generated this charge

  - `data.rateVersion` (integer)
    Version of rate when charge was created

  - `data.subscriptionVersion` (integer)
    Version of subscription when charge was created

  - `data.allocationVersion` (integer)
    Version of allocation config when charge was created

  - `data.discountRateVersions` (array)
    Versions of discount rates when charge was created (parallel to discountRateIds)

  - `data.tags` (object)

  - `data.optimisticLockVersion` (integer)
    Optimistic locking version (managed by Hibernate @Version). Prevents concurrent update conflicts.

  - `data.createdAt` (string, required)

  - `data.updatedAt` (string)

  - `created` (integer)
    Number of charges created

## Response 400 fields (application/json):

  - `type` (string)

  - `title` (string)

  - `status` (integer)

  - `detail` (string)

  - `errors` (array)

  - `errors.index` (integer)
    Index of failed charge in request array

  - `errors.code` (string)

  - `errors.message` (string)

## Response 401 fields (application/json):

  - `result` (object, required)

  - `result.status` (string, required)
    Response status (always ERROR for error responses)
    Enum: "ERROR"

  - `error` (object, required)

  - `error.responseCode` (string, required)
    Response code (numeric or contains numbers, e.g., "404", "409", "500", "ERR001")
    Example: "404"

  - `error.responseMessage` (array, required)
    Array of error message strings for multiple error details
    Example: ["Charge not found","The requested charge ID does not exist in the system"]