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POST
/
accounting
/
bills
cURL
curl --request POST \
  --url https://api.maesn.dev/accounting/bills \
  --header 'Content-Type: application/json' \
  --data '
{
  "accountId": "6733a433-9662-4a40-8e36-e38ebda94fe1",
  "addresses": [
    {
      "addressLine1": "Main street 45",
      "addressLine2": "2nd floor",
      "city": "Berlin",
      "countryCode": "DE",
      "postalCode": "10243",
      "type": "BILLING"
    }
  ],
  "billDate": "2021-01-01T00:00:00Z",
  "billNumber": "1020",
  "contactId": "eaa28f49-6028-4b6e-bb12-d8f6278073fc",
  "currency": "EUR",
  "deliveryDate": "2021-01-01T00:00:00Z",
  "dueDate": "2021-07-01T00:00:00Z",
  "fileId": "93c6b8e0-80a4-4c22-a46c-18beebab82d6",
  "journalCode": "30",
  "lineItems": [
    {
      "accountId": "6733a433-9662-4a40-8e36-e38ebda94fe1",
      "accountNumber": "200",
      "deferredEndDate": "2021-06-01T00:00:00Z",
      "deferredStartDate": "2021-01-01T00:00:00Z",
      "description": "SEOUL Guest Chair, red",
      "dimensions": [
        {
          "name": "C1",
          "categoryName": "CostCenter"
        }
      ],
      "itemId": "4f3a2hf4-5b8e-4d1b-8a0c-9f6e7d2f3e4b",
      "itemName": "RED CHAIR",
      "quantity": 1,
      "taxCode": "03",
      "taxRatePercentage": 19,
      "totalDiscountAmount": 10,
      "totalDiscountPercentage": 10,
      "totalGrossAmount": 109,
      "totalNetAmount": 100,
      "totalTaxAmount": 19,
      "unitAmount": 100,
      "unitDiscountAmount": 10,
      "unitDiscountPercentage": 10,
      "unitName": "PIECE"
    }
  ],
  "name": "Office Supplies",
  "oneLineAddress": "Main street 45, Berlin",
  "paidDate": "2021-01-25T00:00:00Z",
  "paymentDays": 30,
  "paymentReference": "Edefad142e764894",
  "paymentStatus": "PENDING",
  "paymentTermCode": "21",
  "reference": "026 / 245",
  "shippingDate": "2021-01-01T00:00:00Z",
  "shippingType": "DELIVERY",
  "status": "DRAFT",
  "taxRule": "NET",
  "taxText": "Tax 19 percent",
  "totalDiscountAmount": 10,
  "totalDiscountPercentage": 10,
  "totalGrossAmount": 109,
  "totalNetAmount": 100,
  "totalTaxAmount": 19
}
'
{
  "meta": {
    "warnings": [
      "Field not used by target system"
    ],
    "pagination": {
      "total": 125,
      "perPage": 50,
      "currentPage": 1,
      "totalPages": 3
    }
  },
  "data": {
    "id": "9714f3a2-5b8e-4d1b-8a0c-9f6e7d2f3e4b",
    "accountId": "6733a433-9662-4a40-8e36-e38ebda94fe1",
    "addresses": [
      {
        "addressLine1": "Main street 45",
        "addressLine2": "2nd floor",
        "city": "Berlin",
        "countryCode": "DE",
        "postalCode": "10243",
        "type": "BILLING"
      }
    ],
    "billDate": "2021-01-01T00:00:00Z",
    "billNumber": "1020",
    "contactId": "eaa28f49-6028-4b6e-bb12-d8f6278073fc",
    "createdDate": "2021-01-01T00:00:00Z",
    "currency": "EUR",
    "deliveryDate": "2021-01-01T00:00:00Z",
    "dueDate": "2021-07-01T00:00:00Z",
    "fileId": "93c6b8e0-80a4-4c22-a46c-18beebab82d6",
    "journalCode": "30",
    "lineItems": [
      {
        "id": "987a2b3c-4d5e-6f7g-8h9i-0j1k2l3m4n5o",
        "accountId": "6733a433-9662-4a40-8e36-e38ebda94fe1",
        "accountNumber": "200",
        "createdDate": "2021-01-01T00:00:00Z",
        "deferredEndDate": "2021-06-01T00:00:00Z",
        "deferredStartDate": "2021-01-01T00:00:00Z",
        "description": "SEOUL Guest Chair, red",
        "dimensions": [
          {
            "name": "C1",
            "categoryName": "CostCenter"
          }
        ],
        "itemId": "4f3a2hf4-5b8e-4d1b-8a0c-9f6e7d2f3e4b",
        "itemName": "RED CHAIR",
        "quantity": 1,
        "taxCode": "03",
        "taxRatePercentage": 19,
        "totalDiscountAmount": 10,
        "totalDiscountPercentage": 10,
        "totalGrossAmount": 109,
        "totalNetAmount": 100,
        "totalTaxAmount": 19,
        "unitAmount": 100,
        "unitDiscountAmount": 10,
        "unitDiscountPercentage": 10,
        "unitName": "PIECE",
        "updatedDate": "2021-01-01T00:00:00Z"
      }
    ],
    "name": "Office Supplies",
    "oneLineAddress": "Main street 45, Berlin",
    "paidDate": "2021-01-25T00:00:00Z",
    "paymentDays": 30,
    "paymentReference": "Edefad142e764894",
    "paymentStatus": "PENDING",
    "paymentTermCode": "21",
    "reference": "026 / 245",
    "shippingDate": "2021-01-01T00:00:00Z",
    "shippingType": "DELIVERY",
    "status": "DRAFT",
    "taxRule": "NET",
    "taxText": "Tax 19 percent",
    "totalDiscountAmount": 10,
    "totalDiscountPercentage": 10,
    "totalGrossAmount": 109,
    "totalNetAmount": 100,
    "totalTaxAmount": 19,
    "updatedDate": "2021-01-01T00:00:00Z"
  }
}

Documentation Index

Fetch the complete documentation index at: https://docs.maesn.com/llms.txt

Use this file to discover all available pages before exploring further.

​
Field support per integration

If you’re not using the Interactive Authentication Flow, make sure the query parameter companyId is correctly populated. You can obtain this value by using the GET Companies endpoint available under the Authentication section.
Supported Request Parameters:
​
billDate
string
ISO-8601 date format, e.g., 2024-01-01T00:00:00Z
​
billNumber
string
​
contactId
string
required
​
currency
enum
Available options (3-letter ISO 4217): AED, AFN, ALL, AMD, ANG, AOA, ARS, AUD, AWG, AZN, BAM, BBD, BDT, BGN, BHD, BIF, BMD, BND, BOB, BRL, BSD, BTN, BWP, BYR, BZD, CAD, CDF, CHF, CLP, CNY, COP, CRC, CUC, CVE, CZK, DJF, DKK, DOP, DZD, EEK, EGP, ERN, ETB, EUR, FJD, FKP, GBP, GEL, GHS, GIP, GMD, GNF, GQE, GTQ, GYD, HKD, HNL, HRK, HTG, HUF, IDR, ILS, INR, IQD, IRR, ISK, JMD, JOD, JPY, KES, KGS, KHR, KMF, KPW, KRW, KWD, KYD, KZT, LAK, LBP, LKR, LRD, LSL, LTL, LVL, LYD, MAD, MDL, MGA, MKD, MMK, MNT, MOP, MRO, MUR, MVR, MWK, MXN, MYR, MZM, NAD, NGN, NIO, NOK, NPR, NZD, OMR, PAB, PEN, PGK, PHP, PKR, PLN, PYG, QAR, RON, RSD, RUB, SAR, SBD, SCR, SDG, SEK, SGD, SHP, SLL, SOS, SRD, SYP, SZL, THB, TJS, TMT, TND, TRY, TTD, TWD, TZS, UAH, UGX, USD, UYU, UZS, VEB, VND, VUV, WST, XAF, XCD, XDR, XOF, XPF, YER, ZAR, ZMK, ZWR
​
dueDate
string
ISO-8601 date format, e.g., 2024-01-01T00:00:00Z
​
fileId
string
​
journalCode
string
required
​
lineItems
LineItem[]
required
​
paymentReference
string
​
paymentTermCode
string
​
reference
string
​
status
enum
Available options: OPEN, PAID, OVERDUE
Support rawData: true
​
billDate
string
ISO-8601 date format, e.g., 2024-01-01T00:00:00Z
​
billNumber
string
​
contactId
string
required
​
currency
enum
Available options (3-letter ISO 4217): AED, AFN, ALL, AMD, ANG, AOA, ARS, AUD, AWG, AZN, BAM, BBD, BDT, BGN, BHD, BIF, BMD, BND, BOB, BRL, BSD, BTN, BWP, BYR, BZD, CAD, CDF, CHF, CLP, CNY, COP, CRC, CUC, CVE, CZK, DJF, DKK, DOP, DZD, EEK, EGP, ERN, ETB, EUR, FJD, FKP, GBP, GEL, GHS, GIP, GMD, GNF, GQE, GTQ, GYD, HKD, HNL, HRK, HTG, HUF, IDR, ILS, INR, IQD, IRR, ISK, JMD, JOD, JPY, KES, KGS, KHR, KMF, KPW, KRW, KWD, KYD, KZT, LAK, LBP, LKR, LRD, LSL, LTL, LVL, LYD, MAD, MDL, MGA, MKD, MMK, MNT, MOP, MRO, MUR, MVR, MWK, MXN, MYR, MZM, NAD, NGN, NIO, NOK, NPR, NZD, OMR, PAB, PEN, PGK, PHP, PKR, PLN, PYG, QAR, RON, RSD, RUB, SAR, SBD, SCR, SDG, SEK, SGD, SHP, SLL, SOS, SRD, SYP, SZL, THB, TJS, TMT, TND, TRY, TTD, TWD, TZS, UAH, UGX, USD, UYU, UZS, VEB, VND, VUV, WST, XAF, XCD, XDR, XOF, XPF, YER, ZAR, ZMK, ZWR
​
dueDate
string
ISO-8601 date format, e.g., 2024-01-01T00:00:00Z
​
lineItems
BillLineItem[]
​
reference
string
​
totalGrossAmount
number
Supported Request Parameters:
​
billDate
string
ISO-8601 date format, e.g., 2024-01-01T00:00:00Z
It is required when status is OPEN.
​
billNumber
string
It is required when status is OPEN.
​
contactId
string
required
​
dueDate
string
ISO-8601 date format, e.g., 2024-01-01T00:00:00Z
​
lineItems
BillLineItem[]
​
status
enum
Available options: DRAFT, OPEN
If not provided, the default value is DRAFT.
​
totalGrossAmount
number
It is the sum of all line items totalGrossAmount.
It is required when status is OPEN.
​
totalTaxAmount
number
It is required when status is OPEN.

Headers

​
X-API-KEY
string

API key

​
X-ACCOUNT-KEY
string

Account key

Query Parameters

​
companyId
string
​
environmentName
string

Body

application/json
​
accountId
string
Example:

"6733a433-9662-4a40-8e36-e38ebda94fe1"

​
addresses
object[]
​
billDate
string
Example:

"2021-01-01T00:00:00Z"

​
billNumber
string
Example:

"1020"

​
contactId
string
Example:

"eaa28f49-6028-4b6e-bb12-d8f6278073fc"

​
currency
enum<string>
Available options:
AED,
AFN,
ALL,
AMD,
ANG,
AOA,
ARS,
AUD,
AWG,
AZN,
BAM,
BBD,
BDT,
BGN,
BHD,
BIF,
BMD,
BND,
BOB,
BRL,
BSD,
BTN,
BWP,
BYR,
BZD,
CAD,
CDF,
CHF,
CLP,
CNY,
COP,
CRC,
CUC,
CVE,
CZK,
DJF,
DKK,
DOP,
DZD,
EEK,
EGP,
ERN,
ETB,
EUR,
FJD,
FKP,
GBP,
GEL,
GHS,
GIP,
GMD,
GNF,
GQE,
GTQ,
GYD,
HKD,
HNL,
HRK,
HTG,
HUF,
IDR,
ILS,
INR,
IQD,
IRR,
ISK,
JMD,
JOD,
JPY,
KES,
KGS,
KHR,
KMF,
KPW,
KRW,
KWD,
KYD,
KZT,
LAK,
LBP,
LKR,
LRD,
LSL,
LTL,
LVL,
LYD,
MAD,
MDL,
MGA,
MKD,
MMK,
MNT,
MOP,
MRO,
MUR,
MVR,
MWK,
MXN,
MYR,
MZM,
NAD,
NGN,
NIO,
NOK,
NPR,
NZD,
OMR,
PAB,
PEN,
PGK,
PHP,
PKR,
PLN,
PYG,
QAR,
RON,
RSD,
RUB,
SAR,
SBD,
SCR,
SDG,
SEK,
SGD,
SHP,
SLL,
SOS,
SRD,
SYP,
SZL,
THB,
TJS,
TMT,
TND,
TRY,
TTD,
TWD,
TZS,
UAH,
UGX,
USD,
UYU,
UZS,
VEB,
VND,
VUV,
WST,
XAF,
XCD,
XDR,
XOF,
XPF,
YER,
ZAR,
ZMK,
ZWR
Example:

"EUR"

​
deliveryDate
string
Example:

"2021-01-01T00:00:00Z"

​
dueDate
string
Example:

"2021-07-01T00:00:00Z"

​
fileId
string
Example:

"93c6b8e0-80a4-4c22-a46c-18beebab82d6"

​
journalCode
string
Example:

"30"

​
lineItems
object[]
​
name
string
Example:

"Office Supplies"

​
oneLineAddress
string
Example:

"Main street 45, Berlin"

​
paidDate
string
Example:

"2021-01-25T00:00:00Z"

​
paymentDays
number
Example:

30

​
paymentReference
string
Example:

"Edefad142e764894"

​
paymentStatus
enum<string>
Available options:
NO_OPEN_ITEM,
PENDING,
PAID,
PARTLY_PAID,
CANCELED,
PARTIAL_CANCELLATION,
BAD_DEBT,
DEBITED,
CREDIT_NOTE_CLEARED,
CLEARED_WITH_CREDIT_NOTE,
UNKNOWN
Example:

"PENDING"

​
paymentTermCode
string
Example:

"21"

​
reference
string
Example:

"026 / 245"

​
shippingDate
string
Example:

"2021-01-01T00:00:00Z"

​
shippingType
enum<string>
Available options:
SERVICE,
SERVICEPERIOD,
DELIVERY,
DELIVERYPERIOD,
NONE
Example:

"DELIVERY"

​
status
enum<string>
Available options:
DRAFT,
CORRECTIVE,
SUBMITTED,
DOCUMENT_CREATED,
OPEN,
PARTIALLY_PAID,
PAID,
PARTIALLY_OVERDUE,
OVERDUE,
VOIDED
Example:

"DRAFT"

​
taxRule
enum<string>
Available options:
NET,
TAXFREE,
INTRACOMMUNITY_GOODS,
INTRACOMMUNITY_SERVICE,
EXPORT_SERVICE,
EXPORT_GOODS,
REVERSE_CHARGE,
GROSS,
CONSTRUCTION_SERVICE,
PHOTOVOLTAIC_EQUIPMENT,
SMALL_BUSINESS_VAT_EXEMPTION,
NON_DOMESTIC_SERVICE,
OSS_GOODS,
OSS_ELECTRONIC_SERVICES,
OSS_SERVICES
Example:

"NET"

​
taxText
string
Example:

"Tax 19 percent"

​
totalDiscountAmount
number
Example:

10

​
totalDiscountPercentage
number
Example:

10

​
totalGrossAmount
number
Example:

109

​
totalNetAmount
number
Example:

100

​
totalTaxAmount
number
Example:

19

Response

200 - application/json
​
meta
object
​
data
object
Last modified on May 21, 2026