How to issue a Factura Electrónica de Compra in Costa Rica, and a credit note on it.

08 · Factura Electrónica de Compra

document_type: "purchase invoice", invoice_type: "purchase"

Issued by you to back a purchase from a supplier that cannot issue electronic documents.

supplier_company_id is your company: the one buying.
buyer is the supplier you buy from:
- Foreign supplier: their tax ID with type: "tax_id".
- Costa Rican supplier not registered with Hacienda: their ID with type: "NO CONTRIBUYENTE".
The supplier's address follows the same rules as the buyer's address (see the Overview). For a Costa Rican supplier, send the full address.
relations[] is required: one entry with the supplier's own document (or your internal control number for it).
additional_info: for a Costa Rican supplier, it is the reason reported for the purchase. If you leave it empty, Brinta sends a standard text.

`relations[]` field	Meaning
`invoice_type`	`debit`
`document_type`	`invoice`
`invoice_serie`	Optional. Series of the supplier document
`invoice_number`	Number of the supplier document
`invoice_date`	Date of the supplier document

{
  "supplier_company_id": "{{company_id}}",
  "invoice_type": "purchase",
  "document_type": "purchase invoice",
  "invoice_date": "2026-10-21",
  "invoice_serie": "1",
  "invoice_number": "2610210004",
  "currency": "CRC",
  "e_invoice": true,
  "payment_methods": [ { "type": "bank transfer" } ],
  "relations": [
    { "invoice_type": "debit", "document_type": "invoice", "invoice_serie": "A", "invoice_number": "INV-2026-0099", "invoice_date": "2026-10-01" }
  ],
  "buyer": {
    "company": {
      "legal_name": "Cloud Software Services Inc.",
      "type": "business",
      "address": { "address_line_1": "500 Market St", "city": "San Francisco", "state": "CA", "country": "US" },
      "tax_registrations": [ { "number": "12-3456789", "type": "tax_id", "level": "country", "location": "US" } ]
    }
  },
  "items": [
    {
      "name": "Servicio de consultoría en software",
      "quantity": 1,
      "unit_amount": 1000,
      "amount": 1000,
      "categories": [ { "code": "8313100000100", "list": "CABYS" }, { "code": "Sp", "list": "unit" } ],
      "taxes": [ { "name": "IVA", "type": "VAT", "rate": 0.13, "rate_type": "percentage", "amount": 130, "taxable_amount": 1000 } ]
    }
  ]
}

03 · Nota de Crédito on a Factura de Compra

document_type: "purchase credit note", invoice_type: "credit"

original_invoice_id is required: the Brinta ID of the purchase invoice.
reason: void (no items, everything is copied from the original) or return (the lines being corrected, with original_item_id).
The supplier is taken from the original purchase invoice.
additional_info is the reason for the note reported to Hacienda (3 to 180 characters). If you leave it empty, Brinta sends a standard text.

{
  "supplier_company_id": "{{company_id}}",
  "invoice_type": "credit",
  "document_type": "purchase credit note",
  "invoice_date": "2026-10-22",
  "invoice_serie": "1",
  "invoice_number": "2610220004",
  "currency": "CRC",
  "e_invoice": true,
  "reason": "void",
  "original_invoice_id": "{{original_invoice_id}}"
}