Amend Tax Invoice - Change in Supply Cost

POST

taxInvoices

{issuanceKey}

amend

changeSupplyCost

curl --request POST \
  --url https://xapi.bolta.io/v1/taxInvoices/{issuanceKey}/amend/changeSupplyCost \
  --header 'Authorization: Basic <encoded-value>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "date": "2026-05-27",
  "taxType": "TAXABLE",
  "items": [
    {
      "date": "2026-05-27",
      "name": "Price adjustment",
      "unitPrice": null,
      "quantity": null,
      "supplyCost": -200000,
      "tax": -20000,
      "specification": null,
      "description": null
    }
  ]
}
'

{
  "issuanceKey": "<string>"
}

{
  "code": "<string>",
  "message": "<string>",
  "traceId": "<string>"
}

{
  "code": "<string>",
  "message": "<string>",
  "traceId": "<string>"
}

Authorizations

Authorization

string

header

required

Base64-encode your API key and pass it. Enter the API key as the username and leave the password empty.

Path Parameters

issuanceKey

string

required

Issuance request identifier

Body

application/json

date

string<date>

required

Supply cost change date

Example:

"2024-08-24"

taxType

enum<string>

required

TAXABLE: taxable (e-tax invoice), ZERO_RATE: zero-rate (e-tax invoice), TAX_FREE: tax-exempt (invoice). For TAXABLE the item tax cannot be null; for ZERO_RATE every item's tax must be 0. For TAX_FREE every item's tax must be null or omitted.

Available options:

TAXABLE,

ZERO_RATE,

TAX_FREE

Examples:

"TAXABLE"

"ZERO_RATE"

"TAX_FREE"

items

object[]

required

Required array length: 1 - 16 elements

Show child attributes

Response

issuanceKey

string

required

The IssuanceKey of the amended tax invoice

Example:

"8D529FAD3EBAE050B79CE943CCC7CEDE"

curl --request POST \
  --url https://xapi.bolta.io/v1/taxInvoices/{issuanceKey}/amend/changeSupplyCost \
  --header 'Authorization: Basic <encoded-value>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "date": "2026-05-27",
  "taxType": "TAXABLE",
  "items": [
    {
      "date": "2026-05-27",
      "name": "Price adjustment",
      "unitPrice": null,
      "quantity": null,
      "supplyCost": -200000,
      "tax": -20000,
      "specification": null,
      "description": null
    }
  ]
}
'

{
  "issuanceKey": "<string>"
}

{
  "code": "<string>",
  "message": "<string>",
  "traceId": "<string>"
}

{
  "code": "<string>",
  "message": "<string>",
  "traceId": "<string>"
}

Tax Invoice Issuance

Reverse Issuance

Issuer

Certificate

Tax Invoice Retrieval

Cash Receipt

Amend Tax Invoice - Change in Supply Cost

Authorizations

Path Parameters

Body

Response