{
    "enabled": false,
    "default": "barobill",
    "workers": 2,
    "queue_size": 100,
    "dispatch_interval_sec": 10,
    "max_retries": 3,
    "providers": {
        "barobill": {
            "driver": "barobill",
            "_comment": "바로빌",
            "cert_key": "${BAROBILL_CERT_KEY}",
            "corp_num": "${BAROBILL_CORP_NUM}",
            "user_id": "${BAROBILL_USER_ID}",
            "api_endpoint": "https://barobill.co.kr/TAPI/TaxInvoiceService.asmx",
            "corp_state_endpoint": "https://ws.baroservice.com/CorpState.asmx",
            "timeout_sec": 30
        },
        "ezero": {
            "driver": "ezero",
            "_comment": "이지로 (EZERO)",
            "cert_key": "${EZERO_CERT_KEY}",
            "corp_num": "${EZERO_CORP_NUM}",
            "user_id": "${EZERO_USER_ID}",
            "api_endpoint": "https://www.ezero.co.kr/tax-invoice/api",
            "timeout_sec": 30
        },
        "popbill": {
            "driver": "popbill",
            "_comment": "팝빌 (Popbill)",
            "link_id": "${POPBILL_LINK_ID}",
            "secret_key": "${POPBILL_SECRET_KEY}",
            "corp_num": "${POPBILL_CORP_NUM}",
            "api_url": "https://www.popbill.com",
            "timeout_sec": 30
        },
        "ktnet": {
            "driver": "ktnet",
            "_comment": "KT-NET 세금계산서",
            "cert_key": "${KTNET_CERT_KEY}",
            "corp_num": "${KTNET_CORP_NUM}",
            "user_id": "${KTNET_USER_ID}",
            "api_endpoint": "https://www.b2b.kt.com/einvoice",
            "timeout_sec": 30
        }
    },
    "nts": {
        "auto_send": false,
        "taxation_option": 1,
        "taxation_add_tax_allow": 0,
        "tax_exemption_option": 1,
        "tax_exemption_add_tax_allow": 0
    },
    "notify": ["log"],
    "sync": {
        "enabled": false,
        "interval_sec": 600,
        "state_sync_interval_min": 10,
        "max_list_days": 200
    }
}