curl --request POST \
  --url https://api.meetcampfire.com/coa/api/v1/bill/{bill_id}/pay/ \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '{
  "bill_id": "31894",
  "transactions": [
    {
      "transaction_id": 21069178,
      "transaction_description": "ScholarShare ACHCONTRIB 070825",
      "account_id": "2550",
      "account_name": "2010 - Accounts Payable",
      "amount": 8999.99
    }
  ],
  "debit_memos": [
    {
      "debit_memo_id": 343,
      "debit_memo_number": "DM-0000005",
      "amount": 1000.01,
      "posted_at": "2025-07-25"
    }
  ]
}'

{
  "id": 123,
  "lines": [
    {
      "id": 123,
      "account_number": "<string>",
      "account_name": "<string>",
      "department_name": "<string>",
      "bill_customer_name": "<string>",
      "tags": [
        {
          "id": 123,
          "group_name": "<string>",
          "parent_name": "<string>",
          "parent": 123,
          "is_deleted": false,
          "deleted_at": "2023-11-07T05:31:56Z",
          "name": "<string>",
          "created_at": "2023-11-07T05:31:56Z",
          "last_modified_at": "2023-11-07T05:31:56Z",
          "customer": 123,
          "group": 123
        }
      ],
      "amortization_schedule": [
        {
          "id": 123,
          "journal_entry_order": "<string>",
          "date": "2023-12-25",
          "amount": 0,
          "posted": true,
          "amortization": 123,
          "customer": 123,
          "transaction": 123,
          "bill_line": 123,
          "journal_entry": 123
        }
      ],
      "tax_rate_name": "<string>",
      "tax_rate_value": 0,
      "description": "<string>",
      "amount": 0,
      "tax": 0,
      "tax_description": "<string>",
      "source": "<string>",
      "source_id": "<string>",
      "currency": "<string>",
      "created_at": "2023-11-07T05:31:56Z",
      "last_modified_at": "2023-11-07T05:31:56Z",
      "customer": 123,
      "account": 123,
      "tax_rate": 123,
      "bill_customer": 123,
      "department": 123
    }
  ],
  "payments": [
    {
      "id": 123,
      "payment_transaction_bank_description": "<string>",
      "payment_journal_entry_order": "<string>",
      "voided_journal_entry_order": "<string>",
      "currency": "<string>",
      "amount": 0,
      "payment_date": "2023-12-25",
      "source": "<string>",
      "source_id": "<string>",
      "created_at": "2023-11-07T05:31:56Z",
      "voided_date": "2023-12-25",
      "last_modified_at": "2023-11-07T05:31:56Z",
      "customer": 123,
      "bill": 123,
      "payment_journal_entry": 123,
      "payment_transaction": 123,
      "voided_journal_entry": 123
    }
  ],
  "payment_journal_entries": [
    123
  ],
  "status": "<string>",
  "past_due_days": 123,
  "entity_name": "<string>",
  "entity_currency": "<string>",
  "vendor_name": "<string>",
  "attachments": [
    {
      "id": 123,
      "customer": 123,
      "created_at": "2023-11-07T05:31:56Z",
      "created_by": 123,
      "created_by_name": "<string>",
      "created_by_email": "<string>",
      "last_modified_at": "2023-11-07T05:31:56Z",
      "name": "<string>",
      "url": "<string>",
      "s3_content_type": "<string>",
      "s3_content_length": 1073741823,
      "s3_path": "<string>",
      "object_id": 1073741823,
      "app": "<string>",
      "model": "<string>",
      "is_deleted": false,
      "deleted_at": "2023-11-07T05:31:56Z"
    }
  ],
  "total_amount": "<string>",
  "amount_due": "<string>",
  "amount_paid": "<string>",
  "item_date": "2023-12-25",
  "voided_date": "2023-12-25",
  "voided_journal_entry_order": "<string>",
  "amortizations": "<string>",
  "last_modified_at": "2023-11-07T05:31:56Z",
  "ramp_use_sandbox": "<string>",
  "is_deleted": false,
  "deleted_at": "2023-11-07T05:31:56Z",
  "search_vector": "<string>",
  "search_text": "<string>",
  "mailing_address": "<string>",
  "terms": "custom",
  "bill_number": "<string>",
  "bill_date": "2023-12-25",
  "due_date": "2023-12-25",
  "paid_date": "2023-12-25",
  "message_on_bill": "<string>",
  "source_id": "<string>",
  "source": "<string>",
  "payment_status": "partial",
  "currency": "<string>",
  "exchange_rate": 0,
  "exchange_rate_book": 0,
  "created_at": "2023-11-07T05:31:56Z",
  "tax_behavior": "inclusive",
  "customer": 123,
  "entity": 123,
  "vendor": 123,
  "journal_entry": 123,
  "source_file": 123,
  "tax_rate": 123,
  "voided_journal_entry": 123
}