# Created combined label document

Download a combined label file

Endpoint: POST /v1/documents/combined_labels
Version: 1.1.202604070904
Security: api_key

## Request fields (application/json):

  - `label_ids` (array)
    The list of up to 30 label ids to include in the combined label document.
Note that to avoid response size limits, you should only expect to be able to combine 30 single page labels similar in size to that of USPS labels.
    Example: ["se-28529731"]

  - `label_format` (string)
    The file format for the combined label document; note that currently only "pdf" is supported.
    Enum: "pdf"

  - `label_download_type` (string)
    There are two different ways to download a label:

|Label Download Type | Description
|--------------------|------------------------------
|url               |You will receive a URL, which you can use to download the label in a separate request. The URL will remain valid for 90 days.
|inline            |You will receive the Base64-encoded label as part of the response. No need for a second request to download the label.
    Enum: "url", "inline"

## Response 200 fields (application/json):

  - `label_download` (object)
    The download for the combined label document

  - `label_download.href` (string)
    The URL of the linked resource, if any
    Example: "https://example.com/resource"

  - `label_download.pdf` (string)
    The URL for the pdf generated label
    Example: "https://example.com/resource"

  - `label_download.png` (string)
    The URL for the png generated label
    Example: "https://example.com/resource"

  - `label_download.zpl` (string)
    The URL for the zpl generated label
    Example: "https://example.com/resource"

## Response 400 fields (application/json):

  - `request_id` (string, required)
    A UUID that uniquely identifies the request id.
This can be given to the support team to help debug non-trivial issues that may occur
    Example: "aa3d8e8e-462b-4476-9618-72db7f7b7009"

  - `errors` (array, required)
    The errors associated with the failed API call

  - `errors.error_source` (string, required)
    The source of the error, as indicated by the name this informs us if the API call failed because of the
carrier, the order source, or the ShipEngine API itself.
    Enum: "carrier", "order_source", "shipengine"

  - `errors.error_type` (string, required)
    The type of error
    Enum: "account_status", "business_rules", "validation", "security", "system", "integrations"

  - `errors.error_code` (string, required)
    The error code specified for the failed API Call
    Enum: "auto_fund_not_supported", "batch_cannot_be_modified", "carrier_conflict", "carrier_disconnected", "carrier_not_connected", "carrier_not_supported", "confirmation_not_supported", "default_warehouse_cannot_be_deleted", "field_conflict", "field_value_required", "forbidden", "identifier_conflict", "identifiers_must_match", "insufficient_funds", "invalid_address", "invalid_billing_plan", "invalid_field_value", "invalid_identifier", "invalid_status", "invalid_string_length", "label_images_not_supported", "meter_failure", "order_source_not_active", "rate_limit_exceeded", "refresh_not_supported", "request_body_required", "return_label_not_supported", "settings_not_supported", "subscription_inactive", "terms_not_accepted", "tracking_not_supported", "trial_expired", "unauthorized", "unknown", "unspecified", "verification_failure", "warehouse_conflict", "webhook_event_type_conflict", "customs_items_required", "incompatible_paired_labels", "invalid_charge_event", "invalid_object", "no_rates_returned", "file_not_found", "shipping_rule_not_found", "service_not_determined", "no_rates_returned", "funding_source_registration_in_progress", "insurance_failure", "funding_source_missing_configuration", "funding_source_error", "freight_connection_inactive", "freight_provider_id_required", "freight_provider_already_connected", "freight_shipment_not_found", "freight_tracking_not_available", "freight_tracking_not_found", "freight_shipment_not_batchable"

  - `errors.message` (string, required)
    An error message associated with the failed API call
    Example: "Body of request cannot be null."

  - `errors.carrier_id` (string)
    A string that uniquely identifies the carrier that generated the error.
    Example: "se-28529731"

  - `errors.carrier_code` (string)
    The name of the shipping carrier that generated the error, such as fedex, dhl_express, stamps_com, etc.
    Example: "dhl_express"

  - `errors.field_name` (string)
    The name of the field that caused the error
    Example: "shipment.ship_to.phone_number"