curl --request GET \
  --url https://api.meetcampfire.com/coa/api/v1/invoice/{id}/ \
  --header 'Authorization: <api-key>'

{
  "id": 47864,
  "lines": [
    {
      "id": 206228,
      "product_name": "Enterprise Subscription",
      "stripe_product_id": "prod_RncZVXRunpKxAk",
      "product_is_taxable": true,
      "anrok_item_id": null,
      "service_date": "2028-04-01",
      "description": "Enterprise Subscription (2028-04-01 - 2028-06-30)",
      "quantity": 1,
      "rate": 6249.99,
      "currency": "USD",
      "amount": 6249.99,
      "tax": 0,
      "tax_description": null,
      "created_at": "2025-05-02T16:24:50+0000",
      "last_modified_at": "2025-05-02T16:24:50+0000",
      "product": 1717
    }
  ],
  "payments": [
    {
      "id": 22220,
      "credit_memo": null,
      "currency": "USD",
      "amount": 6249.99,
      "payment_date": "2025-04-30",
      "created_at": "2025-04-24T23:13:35+0000",
      "voided_date": null,
      "source": "MANUAL",
      "last_modified_at": "2025-04-24T23:13:35+0000",
      "payment_journal_entry": null,
      "payment_transaction": null,
      "voided_journal_entry": null
    }
  ],
  "payment_journal_entries": [
    null
  ],
  "client_name": "Apple",
  "client_email": null,
  "client_invoice_message": null,
  "client_use_stripe_auto_bill": false,
  "status": "paid",
  "past_due_days": null,
  "entity_name": "Top Level",
  "entity_currency": "USD",
  "entity_invoice_message": "Please make a payment to the following bank:\n\nBank Name: JP Morgan Chase\nBank Address: 456 Another Rd, San Francisco, CA, USA\nSWIFT/BIC Code: XYZBUS22\nAccount Number: 123456789\nAccount Type: Checking\nAccount Name: Campfire Software",
  "total_amount": 6249.99,
  "amount_paid": 6249.99,
  "amount_due": 0,
  "attachments": [],
  "invoice_number": "INV-0000493",
  "revenue_transactions": [],
  "item_date": null,
  "voided_journal_entry_order": null,
  "search_vector": null,
  "search_text": "INV_0000493 Apple",
  "auto_send_invoice": false,
  "auto_send_invoice_at": null,
  "auto_sent_at": null,
  "reminder_sent_dates": {},
  "billing_address": "",
  "shipping_address": "",
  "terms": "net_30",
  "ref_number": null,
  "purchase_order_number": null,
  "invoice_date": "2028-04-01",
  "due_date": "2028-05-01",
  "shipping_date": null,
  "paid_date": "2025-04-30",
  "uncollectible_date": null,
  "sent_date": null,
  "period_start": "2028-04-01",
  "period_end": "2028-06-30",
  "location_of_sale": null,
  "message_on_invoice": "Pay invoice here: https://billing.stripe.com/p/login/test_8wM8At9rYeT3ayY4gm",
  "payment_status": "paid",
  "warning_message": null,
  "created_at": "2025-03-21T19:39:47+0000",
  "last_modified_at": "2025-05-02T16:24:50+0000",
  "currency": "USD",
  "exchange_rate": 1,
  "exchange_rate_book": 1,
  "last_sent_at": null,
  "integration_id": null,
  "integration_context": null,
  "use_stripe_auto_bill": false,
  "stripe_payment_link_id": null,
  "stripe_payment_intent_id": null,
  "stripe_invoice_id": null,
  "stripe_pdf_url": null,
  "stripe_payment_link": null,
  "source": null,
  "source_id": null,
  "voided_date": null,
  "entity": 54,
  "client": 24020,
  "bad_debt_journal_entry": null,
  "journal_entry": 2681173,
  "contract": null,
  "avalara_connection": null,
  "sphere_connection": null,
  "anrok_connection": null,
  "tax_rate": null,
  "stripe_connection": null,
  "source_file": null,
  "voided_journal_entry": null
}