cURL
Bills
Create bill
POST
cURL
Field support per integration

Exact Online
Exact Online
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.ISO-8601 date format, e.g., 2024-01-01T00:00:00Z
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, ZWRISO-8601 date format, e.g., 2024-01-01T00:00:00Z
Available options:
OPEN, PAID, OVERDUEfortnox
fortnox
Supported request fields:
ISO-8601 date format, e.g., 2024-01-01T00:00:00Z
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, ZWRISO-8601 date format, e.g., 2024-01-01T00:00:00Z

Lexware Office
Lexware Office
Supported request fields:
ISO-8601 date format, e.g., 2024-01-01T00:00:00Z
It is required when
status is OPEN.It is required when
status is OPEN.ISO-8601 date format, e.g., 2024-01-01T00:00:00Z
Available options:
DRAFT, OPENIf not provided, the default value is
DRAFT.It is the sum of all line items
totalGrossAmount.It is required when
status is OPEN.It is required when
status is OPEN.Body
application/json
Example:
"6733a433-9662-4a40-8e36-e38ebda94fe1"
Example:
"2021-01-01T00:00:00Z"
Example:
"1020"
Example:
"eaa28f49-6028-4b6e-bb12-d8f6278073fc"
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"
Example:
"2021-01-01T00:00:00Z"
Example:
"2021-07-01T00:00:00Z"
Example:
"93c6b8e0-80a4-4c22-a46c-18beebab82d6"
Example:
"30"
Example:
"Office Supplies"
Example:
"Main street 45, Berlin"
Example:
"2021-01-25T00:00:00Z"
Example:
30
Example:
"Edefad142e764894"
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"
Example:
"21"
Example:
"026 / 245"
Example:
"2021-01-01T00:00:00Z"
Available options:
SERVICE, SERVICEPERIOD, DELIVERY, DELIVERYPERIOD, NONE Example:
"DELIVERY"
Available options:
DRAFT, CORRECTIVE, SUBMITTED, DOCUMENT_CREATED, OPEN, PARTIALLY_PAID, PAID, PARTIALLY_OVERDUE, OVERDUE, VOIDED Example:
"DRAFT"
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"
Example:
"Tax 19 percent"
Example:
10
Example:
10
Example:
109
Example:
100
Example:
19
Last modified on June 10, 2026