Skip to content

API reference

Articles

The article register.

List articles

GET /articles listArticles

The article register.

Scope

invoices:view

Parameters

  • limit integer query

    Page size, 1–200.

    Default: 50 · minimum 1 · maximum 200

  • cursor string query

    Opaque cursor from meta.next_cursor of the previous page.

    at most 2000 characters

  • updated_since string (date-time) query

    Only records whose updated_at is strictly later than this ISO 8601 time. Lists are ordered by updated_at, then id, so a sync stores the updated_at of the last record it has seen and passes it next time, walking all pages with `cursor`.

    Example: 2026-03-01T00:00:00+01:00

  • is_active boolean query

    Only active (true) or inactive (false) records.

Responses

200 OK – A page of articles.

application/jsonobject

  • data array<Article> required
    11 fields · each item
    • id integer
    • number string
    • name string
    • unit string
    • price_ore integer

      Price excluding VAT, öre.

    • currency string
    • vat_rate integer

      Basis points: 2500, 1200, 600 or 0.

    • account integer nullable

      Revenue account number.

    • is_active boolean
    • created_at string (date-time)
    • updated_at string (date-time)
  • meta ListMeta required
    3 fields
    • limit integer required
    • next_cursor string required nullable

      Opaque; pass as `cursor` for the next page. null on the last page.

    • has_more boolean required

Response headers: X-Request-Id, RateLimit-Limit, RateLimit-Remaining, RateLimit-Reset

401 Unauthorized – Missing, invalid, expired or revoked token or API key. Also returned when the person behind the credential has left the company (an OAuth grant is then revoked for good).

All error codes · application/problem+json

  • unauthenticatedNo valid credential

    Nyckeln eller token saknas, är ogiltig, har gått ut eller har återkallats.

Response headers: X-Request-Id, RateLimit-Limit, RateLimit-Remaining, RateLimit-Reset, WWW-Authenticate

403 Forbidden – The credential may not do this: a scope is missing, the granting person no longer has the permission, the address is not allowed, the company is archived (read-only) or no longer allows the app.

All error codes · application/problem+json

  • insufficient_scopeScope missing or permission lost

    Nyckeln eller appen saknar behörigheten vouchers:post, eller så har personen som gav den inte längre den behörigheten i företaget.

  • forbiddenThe action refuses (for example changing a posted voucher)

    Behörighet saknas för det här.

  • ip_not_allowedOutside the IP allowlist

    Företaget tillåter inte anrop från den här adressen.

  • company_archivedWrite to an archived company

    Företaget är arkiverat och kan bara läsas.

  • app_not_allowedThe company no longer allows the app

    Företaget tillåter inte längre den här appen.

Response headers: X-Request-Id, RateLimit-Limit, RateLimit-Remaining, RateLimit-Reset

404 Not Found – Not found. Also the answer for another company's ids (existence is never revealed) and for every call while NONOX Connect is turned off for the company.

All error codes · application/problem+json

  • not_foundUnknown id, other company's id, or module off

    Det du söker finns inte.

Response headers: X-Request-Id, RateLimit-Limit, RateLimit-Remaining, RateLimit-Reset

429 Too Many Requests – Rate limit exceeded (per credential, per company or per address). Wait Retry-After seconds.

All error codes · application/problem+json

  • rate_limitedOver the limit

    För många anrop. Försök igen om 23 sekunder.

Response headers: X-Request-Id, RateLimit-Limit, RateLimit-Remaining, RateLimit-Reset, Retry-After

Code samples

curl
curl "https://nonox.app/api/v1/articles?limit=50&updated_since=2026-03-01T00%3A00%3A00%2B01%3A00" \
  -H "Authorization: Bearer $NONOX_TOKEN" \
  -H "Accept: application/json"
PHP (Laravel)
use Illuminate\Support\Facades\Http;

$response = Http::withToken(config('services.nonox.token'))
    ->acceptJson()
    ->get('https://nonox.app/api/v1/articles', [
        'limit' => 50,
        'updated_since' => '2026-03-01T00:00:00+01:00',
    ]);

$response->throw();

$data = $response->json('data');
PHP (Guzzle)
$client = new \GuzzleHttp\Client(['timeout' => 30]);

$response = $client->request('GET', 'https://nonox.app/api/v1/articles', [
    'headers' => [
        'Authorization' => 'Bearer '.getenv('NONOX_TOKEN'),
        'Accept' => 'application/json',
    ],
    'query' => [
        'limit' => 50,
        'updated_since' => '2026-03-01T00:00:00+01:00',
    ],
]);

$data = json_decode((string) $response->getBody(), true, flags: JSON_THROW_ON_ERROR)['data'];
JavaScript
const url = new URL('https://nonox.app/api/v1/articles');
url.searchParams.set('limit', '50');
url.searchParams.set('updated_since', '2026-03-01T00:00:00+01:00');

const response = await fetch(url, {
  headers: {
    Authorization: `Bearer ${process.env.NONOX_TOKEN}`,
    Accept: 'application/json',
  },
});

if (!response.ok) {
  const problem = await response.json();
  throw new Error(`${problem.code}: ${problem.detail}`);
}

const { data } = await response.json();
Python
import os
import requests

response = requests.get(
    "https://nonox.app/api/v1/articles",
    headers={
        "Authorization": f"Bearer {os.environ['NONOX_TOKEN']}",
        "Accept": "application/json",
    },
    params={
        "limit": 50,
        "updated_since": "2026-03-01T00:00:00+01:00",
    },
    timeout=30,
)
response.raise_for_status()

data = response.json()["data"]

Responses · 200

application/json
{
  "data": [
    {
      "id": 31,
      "number": "TIM",
      "name": "Konsulttimme",
      "unit": "h",
      "price_ore": 95000,
      "currency": "SEK",
      "vat_rate": 2500,
      "account": 3001,
      "is_active": true,
      "created_at": "2026-03-02T10:45:12+01:00",
      "updated_at": "2026-03-02T10:45:12+01:00"
    }
  ],
  "meta": {
    "limit": 50,
    "next_cursor": null,
    "has_more": false
  }
}

Error

4011 example
No valid credential
{
  "type": "urn:nonox:problem:unauthenticated",
  "title": "Unauthorized",
  "status": 401,
  "code": "unauthenticated",
  "detail": "Nyckeln eller token saknas, är ogiltig, har gått ut eller har återkallats.",
  "instance": "urn:nonox:request:7f3c2a9e-4b1d-4c8e-9a51-2d6f0e8b3c17"
}
4035 examples
Scope missing or permission lost
{
  "type": "urn:nonox:problem:insufficient_scope",
  "title": "Forbidden",
  "status": 403,
  "code": "insufficient_scope",
  "detail": "Nyckeln eller appen saknar behörigheten vouchers:post, eller så har personen som gav den inte längre den behörigheten i företaget.",
  "instance": "urn:nonox:request:7f3c2a9e-4b1d-4c8e-9a51-2d6f0e8b3c17",
  "required_scopes": [
    "vouchers:post"
  ]
}
The action refuses (for example changing a posted voucher)
{
  "type": "urn:nonox:problem:forbidden",
  "title": "Forbidden",
  "status": 403,
  "code": "forbidden",
  "detail": "Behörighet saknas för det här.",
  "instance": "urn:nonox:request:7f3c2a9e-4b1d-4c8e-9a51-2d6f0e8b3c17"
}
Outside the IP allowlist
{
  "type": "urn:nonox:problem:ip_not_allowed",
  "title": "Forbidden",
  "status": 403,
  "code": "ip_not_allowed",
  "detail": "Företaget tillåter inte anrop från den här adressen.",
  "instance": "urn:nonox:request:7f3c2a9e-4b1d-4c8e-9a51-2d6f0e8b3c17"
}
Write to an archived company
{
  "type": "urn:nonox:problem:company_archived",
  "title": "Forbidden",
  "status": 403,
  "code": "company_archived",
  "detail": "Företaget är arkiverat och kan bara läsas.",
  "instance": "urn:nonox:request:7f3c2a9e-4b1d-4c8e-9a51-2d6f0e8b3c17"
}
The company no longer allows the app
{
  "type": "urn:nonox:problem:app_not_allowed",
  "title": "Forbidden",
  "status": 403,
  "code": "app_not_allowed",
  "detail": "Företaget tillåter inte längre den här appen.",
  "instance": "urn:nonox:request:7f3c2a9e-4b1d-4c8e-9a51-2d6f0e8b3c17"
}
4041 example
Unknown id, other company's id, or module off
{
  "type": "urn:nonox:problem:not_found",
  "title": "Not Found",
  "status": 404,
  "code": "not_found",
  "detail": "Det du söker finns inte.",
  "instance": "urn:nonox:request:7f3c2a9e-4b1d-4c8e-9a51-2d6f0e8b3c17"
}
4291 example
Over the limit
{
  "type": "urn:nonox:problem:rate_limited",
  "title": "Too Many Requests",
  "status": 429,
  "code": "rate_limited",
  "detail": "För många anrop. Försök igen om 23 sekunder.",
  "instance": "urn:nonox:request:7f3c2a9e-4b1d-4c8e-9a51-2d6f0e8b3c17"
}

Create an article

POST /articles createArticle

Adds an article. Price in whole öre excluding VAT; VAT rate in basis points; the revenue account follows the VAT rate unless given. Same Action as the app (SaveArticle).

Scope

invoices:create

Parameters

  • Idempotency-Key string header required

    Required on every POST. A unique value per intended operation (a UUID v4 is ideal), 1–255 visible ASCII characters. Kept 24 hours per credential: the same key with the same request returns the stored response (Idempotent-Replayed: true); with a different request 422 idempotency_key_reused; while the first is still running 409. Server errors (5xx) are not stored, so retry with the same key.

    at least 1 characters · at most 255 characters · Example: 3f6c1b7e-2d4a-4e8b-9c0d-5a1b2c3d4e5f

Request body

application/jsonArticleInput required

  • number string required

    at most 30 characters

  • name string required

    at most 255 characters

  • unit string required

    at most 10 characters

  • price_ore integer required

    Price excluding VAT, whole öre (an integer; decimals are refused).

  • vat_rate integer required

    Values: 2500, 1200, 600, 0

  • account integer nullable

    Revenue account 3000–3999; default follows the VAT rate (3001, 3002, 3003, 3004).

  • is_active boolean

Responses

201 Created – The article.

application/jsonobject

  • data Article required
    11 fields
    • id integer
    • number string
    • name string
    • unit string
    • price_ore integer

      Price excluding VAT, öre.

    • currency string
    • vat_rate integer

      Basis points: 2500, 1200, 600 or 0.

    • account integer nullable

      Revenue account number.

    • is_active boolean
    • created_at string (date-time)
    • updated_at string (date-time)

Response headers: X-Request-Id, RateLimit-Limit, RateLimit-Remaining, RateLimit-Reset, Location, Idempotent-Replayed

400 Bad Request – Bad request: missing or invalid Idempotency-Key, or a body that is not a JSON object.

All error codes · application/problem+json

  • idempotency_key_requiredNo Idempotency-Key on a POST

    Skicka en unik Idempotency-Key (till exempel ett UUID) med varje POST, så att ett nytt försök aldrig bokför två gånger.

  • idempotency_key_invalidIdempotency-Key too long or not visible ASCII

    Idempotency-Key ska vara 1–255 synliga ASCII-tecken.

  • invalid_jsonMalformed JSON

    Kroppen är inte giltig JSON (ett objekt).

Response headers: X-Request-Id, RateLimit-Limit, RateLimit-Remaining, RateLimit-Reset

401 Unauthorized – Missing, invalid, expired or revoked token or API key. Also returned when the person behind the credential has left the company (an OAuth grant is then revoked for good).

All error codes · application/problem+json

  • unauthenticatedNo valid credential

    Nyckeln eller token saknas, är ogiltig, har gått ut eller har återkallats.

Response headers: X-Request-Id, RateLimit-Limit, RateLimit-Remaining, RateLimit-Reset, WWW-Authenticate

403 Forbidden – The credential may not do this: a scope is missing, the granting person no longer has the permission, the address is not allowed, the company is archived (read-only) or no longer allows the app.

All error codes · application/problem+json

  • insufficient_scopeScope missing or permission lost

    Nyckeln eller appen saknar behörigheten vouchers:post, eller så har personen som gav den inte längre den behörigheten i företaget.

  • forbiddenThe action refuses (for example changing a posted voucher)

    Behörighet saknas för det här.

  • ip_not_allowedOutside the IP allowlist

    Företaget tillåter inte anrop från den här adressen.

  • company_archivedWrite to an archived company

    Företaget är arkiverat och kan bara läsas.

  • app_not_allowedThe company no longer allows the app

    Företaget tillåter inte längre den här appen.

Response headers: X-Request-Id, RateLimit-Limit, RateLimit-Remaining, RateLimit-Reset

404 Not Found – Not found. Also the answer for another company's ids (existence is never revealed) and for every call while NONOX Connect is turned off for the company.

All error codes · application/problem+json

  • not_foundUnknown id, other company's id, or module off

    Det du söker finns inte.

Response headers: X-Request-Id, RateLimit-Limit, RateLimit-Remaining, RateLimit-Reset

409 Conflict – A request with the same Idempotency-Key is still running.

All error codes · application/problem+json

  • idempotency_in_progressSame key, first request not finished

    En begäran med samma Idempotency-Key pågår. Vänta och försök igen.

Response headers: X-Request-Id, RateLimit-Limit, RateLimit-Remaining, RateLimit-Reset, Retry-After

415 Unsupported Media Type – The body is not application/json (or multipart/form-data where a file is accepted).

All error codes · application/problem+json

  • unsupported_media_typeWrong Content-Type

    Skicka JSON (application/json).

Response headers: X-Request-Id, RateLimit-Limit, RateLimit-Remaining, RateLimit-Reset

422 Unprocessable Content – Validation failed, or the Idempotency-Key was already used for a different request.

All error codes · application/problem+json

  • validation_failedField errors

    Uppgifterna kunde inte godtas. Se errors.

  • idempotency_key_reusedSame key, different body

    Idempotency-Key har redan använts för en annan begäran. Använd en ny nyckel för en ny begäran.

Response headers: X-Request-Id, RateLimit-Limit, RateLimit-Remaining, RateLimit-Reset

429 Too Many Requests – Rate limit exceeded (per credential, per company or per address). Wait Retry-After seconds.

All error codes · application/problem+json

  • rate_limitedOver the limit

    För många anrop. Försök igen om 23 sekunder.

Response headers: X-Request-Id, RateLimit-Limit, RateLimit-Remaining, RateLimit-Reset, Retry-After

Code samples

curl
curl -X POST "https://nonox.app/api/v1/articles" \
  -H "Authorization: Bearer $NONOX_TOKEN" \
  -H "Accept: application/json" \
  -H "Idempotency-Key: $(uuidgen)" \
  -H "Content-Type: application/json" \
  -d '{
  "number": "TIM",
  "name": "Konsulttimme",
  "unit": "h",
  "price_ore": 95000,
  "vat_rate": 2500
}'
PHP (Laravel)
use Illuminate\Support\Facades\Http;
use Illuminate\Support\Str;

$response = Http::withToken(config('services.nonox.token'))
    ->acceptJson()
    ->withHeaders(['Idempotency-Key' => (string) Str::uuid()])
    ->post('https://nonox.app/api/v1/articles', [
        'number' => 'TIM',
        'name' => 'Konsulttimme',
        'unit' => 'h',
        'price_ore' => 95000,
        'vat_rate' => 2500,
    ]);

$response->throw();

$data = $response->json('data');
PHP (Guzzle)
$client = new \GuzzleHttp\Client(['timeout' => 30]);

$response = $client->request('POST', 'https://nonox.app/api/v1/articles', [
    'headers' => [
        'Authorization' => 'Bearer '.getenv('NONOX_TOKEN'),
        'Accept' => 'application/json',
        'Idempotency-Key' => bin2hex(random_bytes(16)),
    ],
    'json' => [
        'number' => 'TIM',
        'name' => 'Konsulttimme',
        'unit' => 'h',
        'price_ore' => 95000,
        'vat_rate' => 2500,
    ],
]);

$data = json_decode((string) $response->getBody(), true, flags: JSON_THROW_ON_ERROR)['data'];
JavaScript
const response = await fetch('https://nonox.app/api/v1/articles', {
  method: 'POST',
  headers: {
    Authorization: `Bearer ${process.env.NONOX_TOKEN}`,
    Accept: 'application/json',
    'Idempotency-Key': crypto.randomUUID(),
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
    "number": "TIM",
    "name": "Konsulttimme",
    "unit": "h",
    "price_ore": 95000,
    "vat_rate": 2500
  }),
});

if (!response.ok) {
  const problem = await response.json();
  throw new Error(`${problem.code}: ${problem.detail}`);
}

const { data } = await response.json();
Python
import os
import uuid
import requests

response = requests.post(
    "https://nonox.app/api/v1/articles",
    headers={
        "Authorization": f"Bearer {os.environ['NONOX_TOKEN']}",
        "Accept": "application/json",
        "Idempotency-Key": str(uuid.uuid4()),
    },
    json={
        "number": "TIM",
        "name": "Konsulttimme",
        "unit": "h",
        "price_ore": 95000,
        "vat_rate": 2500,
    },
    timeout=30,
)
response.raise_for_status()

data = response.json()["data"]

Responses · 201

application/json
{
  "data": {
    "id": 31,
    "number": "TIM",
    "name": "Konsulttimme",
    "unit": "h",
    "price_ore": 95000,
    "currency": "SEK",
    "vat_rate": 2500,
    "account": 3001,
    "is_active": true,
    "created_at": "2026-03-02T10:45:12+01:00",
    "updated_at": "2026-03-02T10:45:12+01:00"
  }
}

Error

4003 examples
No Idempotency-Key on a POST
{
  "type": "urn:nonox:problem:idempotency_key_required",
  "title": "Bad Request",
  "status": 400,
  "code": "idempotency_key_required",
  "detail": "Skicka en unik Idempotency-Key (till exempel ett UUID) med varje POST, så att ett nytt försök aldrig bokför två gånger.",
  "instance": "urn:nonox:request:7f3c2a9e-4b1d-4c8e-9a51-2d6f0e8b3c17"
}
Idempotency-Key too long or not visible ASCII
{
  "type": "urn:nonox:problem:idempotency_key_invalid",
  "title": "Bad Request",
  "status": 400,
  "code": "idempotency_key_invalid",
  "detail": "Idempotency-Key ska vara 1–255 synliga ASCII-tecken.",
  "instance": "urn:nonox:request:7f3c2a9e-4b1d-4c8e-9a51-2d6f0e8b3c17"
}
Malformed JSON
{
  "type": "urn:nonox:problem:invalid_json",
  "title": "Bad Request",
  "status": 400,
  "code": "invalid_json",
  "detail": "Kroppen är inte giltig JSON (ett objekt).",
  "instance": "urn:nonox:request:7f3c2a9e-4b1d-4c8e-9a51-2d6f0e8b3c17"
}
4011 example
No valid credential
{
  "type": "urn:nonox:problem:unauthenticated",
  "title": "Unauthorized",
  "status": 401,
  "code": "unauthenticated",
  "detail": "Nyckeln eller token saknas, är ogiltig, har gått ut eller har återkallats.",
  "instance": "urn:nonox:request:7f3c2a9e-4b1d-4c8e-9a51-2d6f0e8b3c17"
}
4035 examples
Scope missing or permission lost
{
  "type": "urn:nonox:problem:insufficient_scope",
  "title": "Forbidden",
  "status": 403,
  "code": "insufficient_scope",
  "detail": "Nyckeln eller appen saknar behörigheten vouchers:post, eller så har personen som gav den inte längre den behörigheten i företaget.",
  "instance": "urn:nonox:request:7f3c2a9e-4b1d-4c8e-9a51-2d6f0e8b3c17",
  "required_scopes": [
    "vouchers:post"
  ]
}
The action refuses (for example changing a posted voucher)
{
  "type": "urn:nonox:problem:forbidden",
  "title": "Forbidden",
  "status": 403,
  "code": "forbidden",
  "detail": "Behörighet saknas för det här.",
  "instance": "urn:nonox:request:7f3c2a9e-4b1d-4c8e-9a51-2d6f0e8b3c17"
}
Outside the IP allowlist
{
  "type": "urn:nonox:problem:ip_not_allowed",
  "title": "Forbidden",
  "status": 403,
  "code": "ip_not_allowed",
  "detail": "Företaget tillåter inte anrop från den här adressen.",
  "instance": "urn:nonox:request:7f3c2a9e-4b1d-4c8e-9a51-2d6f0e8b3c17"
}
Write to an archived company
{
  "type": "urn:nonox:problem:company_archived",
  "title": "Forbidden",
  "status": 403,
  "code": "company_archived",
  "detail": "Företaget är arkiverat och kan bara läsas.",
  "instance": "urn:nonox:request:7f3c2a9e-4b1d-4c8e-9a51-2d6f0e8b3c17"
}
The company no longer allows the app
{
  "type": "urn:nonox:problem:app_not_allowed",
  "title": "Forbidden",
  "status": 403,
  "code": "app_not_allowed",
  "detail": "Företaget tillåter inte längre den här appen.",
  "instance": "urn:nonox:request:7f3c2a9e-4b1d-4c8e-9a51-2d6f0e8b3c17"
}
4041 example
Unknown id, other company's id, or module off
{
  "type": "urn:nonox:problem:not_found",
  "title": "Not Found",
  "status": 404,
  "code": "not_found",
  "detail": "Det du söker finns inte.",
  "instance": "urn:nonox:request:7f3c2a9e-4b1d-4c8e-9a51-2d6f0e8b3c17"
}
4091 example
Same key, first request not finished
{
  "type": "urn:nonox:problem:idempotency_in_progress",
  "title": "Conflict",
  "status": 409,
  "code": "idempotency_in_progress",
  "detail": "En begäran med samma Idempotency-Key pågår. Vänta och försök igen.",
  "instance": "urn:nonox:request:7f3c2a9e-4b1d-4c8e-9a51-2d6f0e8b3c17"
}
4151 example
Wrong Content-Type
{
  "type": "urn:nonox:problem:unsupported_media_type",
  "title": "Unsupported Media Type",
  "status": 415,
  "code": "unsupported_media_type",
  "detail": "Skicka JSON (application/json).",
  "instance": "urn:nonox:request:7f3c2a9e-4b1d-4c8e-9a51-2d6f0e8b3c17"
}
4222 examples
Field errors
{
  "type": "urn:nonox:problem:validation_failed",
  "title": "Unprocessable Content",
  "status": 422,
  "code": "validation_failed",
  "detail": "Uppgifterna kunde inte godtas. Se errors.",
  "instance": "urn:nonox:request:7f3c2a9e-4b1d-4c8e-9a51-2d6f0e8b3c17",
  "errors": {
    "rows": [
      "Verifikationen balanserar inte: debet och kredit skiljer sig åt."
    ],
    "voucher_date": [
      "Det finns inget räkenskapsår som omfattar 2031-01-01."
    ]
  }
}
Same key, different body
{
  "type": "urn:nonox:problem:idempotency_key_reused",
  "title": "Unprocessable Content",
  "status": 422,
  "code": "idempotency_key_reused",
  "detail": "Idempotency-Key har redan använts för en annan begäran. Använd en ny nyckel för en ny begäran.",
  "instance": "urn:nonox:request:7f3c2a9e-4b1d-4c8e-9a51-2d6f0e8b3c17"
}
4291 example
Over the limit
{
  "type": "urn:nonox:problem:rate_limited",
  "title": "Too Many Requests",
  "status": 429,
  "code": "rate_limited",
  "detail": "För många anrop. Försök igen om 23 sekunder.",
  "instance": "urn:nonox:request:7f3c2a9e-4b1d-4c8e-9a51-2d6f0e8b3c17"
}

Get an article

GET /articles/{article} getArticle

One article by id.

Scope

invoices:view

Parameters

  • article integer path required

    Article id (not the article number).

    Example: 31

Responses

200 OK – The article.

application/jsonobject

  • data Article required
    11 fields
    • id integer
    • number string
    • name string
    • unit string
    • price_ore integer

      Price excluding VAT, öre.

    • currency string
    • vat_rate integer

      Basis points: 2500, 1200, 600 or 0.

    • account integer nullable

      Revenue account number.

    • is_active boolean
    • created_at string (date-time)
    • updated_at string (date-time)

Response headers: X-Request-Id, RateLimit-Limit, RateLimit-Remaining, RateLimit-Reset

401 Unauthorized – Missing, invalid, expired or revoked token or API key. Also returned when the person behind the credential has left the company (an OAuth grant is then revoked for good).

All error codes · application/problem+json

  • unauthenticatedNo valid credential

    Nyckeln eller token saknas, är ogiltig, har gått ut eller har återkallats.

Response headers: X-Request-Id, RateLimit-Limit, RateLimit-Remaining, RateLimit-Reset, WWW-Authenticate

403 Forbidden – The credential may not do this: a scope is missing, the granting person no longer has the permission, the address is not allowed, the company is archived (read-only) or no longer allows the app.

All error codes · application/problem+json

  • insufficient_scopeScope missing or permission lost

    Nyckeln eller appen saknar behörigheten vouchers:post, eller så har personen som gav den inte längre den behörigheten i företaget.

  • forbiddenThe action refuses (for example changing a posted voucher)

    Behörighet saknas för det här.

  • ip_not_allowedOutside the IP allowlist

    Företaget tillåter inte anrop från den här adressen.

  • company_archivedWrite to an archived company

    Företaget är arkiverat och kan bara läsas.

  • app_not_allowedThe company no longer allows the app

    Företaget tillåter inte längre den här appen.

Response headers: X-Request-Id, RateLimit-Limit, RateLimit-Remaining, RateLimit-Reset

404 Not Found – Not found. Also the answer for another company's ids (existence is never revealed) and for every call while NONOX Connect is turned off for the company.

All error codes · application/problem+json

  • not_foundUnknown id, other company's id, or module off

    Det du söker finns inte.

Response headers: X-Request-Id, RateLimit-Limit, RateLimit-Remaining, RateLimit-Reset

429 Too Many Requests – Rate limit exceeded (per credential, per company or per address). Wait Retry-After seconds.

All error codes · application/problem+json

  • rate_limitedOver the limit

    För många anrop. Försök igen om 23 sekunder.

Response headers: X-Request-Id, RateLimit-Limit, RateLimit-Remaining, RateLimit-Reset, Retry-After

Code samples

curl
curl "https://nonox.app/api/v1/articles/31" \
  -H "Authorization: Bearer $NONOX_TOKEN" \
  -H "Accept: application/json"
PHP (Laravel)
use Illuminate\Support\Facades\Http;

$response = Http::withToken(config('services.nonox.token'))
    ->acceptJson()
    ->get('https://nonox.app/api/v1/articles/31');

$response->throw();

$data = $response->json('data');
PHP (Guzzle)
$client = new \GuzzleHttp\Client(['timeout' => 30]);

$response = $client->request('GET', 'https://nonox.app/api/v1/articles/31', [
    'headers' => [
        'Authorization' => 'Bearer '.getenv('NONOX_TOKEN'),
        'Accept' => 'application/json',
    ],
]);

$data = json_decode((string) $response->getBody(), true, flags: JSON_THROW_ON_ERROR)['data'];
JavaScript
const response = await fetch('https://nonox.app/api/v1/articles/31', {
  headers: {
    Authorization: `Bearer ${process.env.NONOX_TOKEN}`,
    Accept: 'application/json',
  },
});

if (!response.ok) {
  const problem = await response.json();
  throw new Error(`${problem.code}: ${problem.detail}`);
}

const { data } = await response.json();
Python
import os
import requests

response = requests.get(
    "https://nonox.app/api/v1/articles/31",
    headers={
        "Authorization": f"Bearer {os.environ['NONOX_TOKEN']}",
        "Accept": "application/json",
    },
    timeout=30,
)
response.raise_for_status()

data = response.json()["data"]

Responses · 200

application/json
{
  "data": {
    "id": 31,
    "number": "TIM",
    "name": "Konsulttimme",
    "unit": "h",
    "price_ore": 95000,
    "currency": "SEK",
    "vat_rate": 2500,
    "account": 3001,
    "is_active": true,
    "created_at": "2026-03-02T10:45:12+01:00",
    "updated_at": "2026-03-02T10:45:12+01:00"
  }
}

Error

4011 example
No valid credential
{
  "type": "urn:nonox:problem:unauthenticated",
  "title": "Unauthorized",
  "status": 401,
  "code": "unauthenticated",
  "detail": "Nyckeln eller token saknas, är ogiltig, har gått ut eller har återkallats.",
  "instance": "urn:nonox:request:7f3c2a9e-4b1d-4c8e-9a51-2d6f0e8b3c17"
}
4035 examples
Scope missing or permission lost
{
  "type": "urn:nonox:problem:insufficient_scope",
  "title": "Forbidden",
  "status": 403,
  "code": "insufficient_scope",
  "detail": "Nyckeln eller appen saknar behörigheten vouchers:post, eller så har personen som gav den inte längre den behörigheten i företaget.",
  "instance": "urn:nonox:request:7f3c2a9e-4b1d-4c8e-9a51-2d6f0e8b3c17",
  "required_scopes": [
    "vouchers:post"
  ]
}
The action refuses (for example changing a posted voucher)
{
  "type": "urn:nonox:problem:forbidden",
  "title": "Forbidden",
  "status": 403,
  "code": "forbidden",
  "detail": "Behörighet saknas för det här.",
  "instance": "urn:nonox:request:7f3c2a9e-4b1d-4c8e-9a51-2d6f0e8b3c17"
}
Outside the IP allowlist
{
  "type": "urn:nonox:problem:ip_not_allowed",
  "title": "Forbidden",
  "status": 403,
  "code": "ip_not_allowed",
  "detail": "Företaget tillåter inte anrop från den här adressen.",
  "instance": "urn:nonox:request:7f3c2a9e-4b1d-4c8e-9a51-2d6f0e8b3c17"
}
Write to an archived company
{
  "type": "urn:nonox:problem:company_archived",
  "title": "Forbidden",
  "status": 403,
  "code": "company_archived",
  "detail": "Företaget är arkiverat och kan bara läsas.",
  "instance": "urn:nonox:request:7f3c2a9e-4b1d-4c8e-9a51-2d6f0e8b3c17"
}
The company no longer allows the app
{
  "type": "urn:nonox:problem:app_not_allowed",
  "title": "Forbidden",
  "status": 403,
  "code": "app_not_allowed",
  "detail": "Företaget tillåter inte längre den här appen.",
  "instance": "urn:nonox:request:7f3c2a9e-4b1d-4c8e-9a51-2d6f0e8b3c17"
}
4041 example
Unknown id, other company's id, or module off
{
  "type": "urn:nonox:problem:not_found",
  "title": "Not Found",
  "status": 404,
  "code": "not_found",
  "detail": "Det du söker finns inte.",
  "instance": "urn:nonox:request:7f3c2a9e-4b1d-4c8e-9a51-2d6f0e8b3c17"
}
4291 example
Over the limit
{
  "type": "urn:nonox:problem:rate_limited",
  "title": "Too Many Requests",
  "status": 429,
  "code": "rate_limited",
  "detail": "För många anrop. Försök igen om 23 sekunder.",
  "instance": "urn:nonox:request:7f3c2a9e-4b1d-4c8e-9a51-2d6f0e8b3c17"
}

Change an article

PATCH /articles/{article} updateArticle

Changes the fields sent; the rest stay.

Scope

invoices:create

Parameters

  • article integer path required

    Article id (not the article number).

    Example: 31

Request body

application/jsonArticlePatch required

Only the fields sent are changed.

  • number string

    at most 30 characters

  • name string

    at most 255 characters

  • unit string

    at most 10 characters

  • price_ore integer

    Price excluding VAT, whole öre (an integer; decimals are refused).

  • vat_rate integer

    Values: 2500, 1200, 600, 0

  • account integer nullable

    Revenue account 3000–3999; default follows the VAT rate (3001, 3002, 3003, 3004).

  • is_active boolean

Responses

200 OK – The article.

application/jsonobject

  • data Article required
    11 fields
    • id integer
    • number string
    • name string
    • unit string
    • price_ore integer

      Price excluding VAT, öre.

    • currency string
    • vat_rate integer

      Basis points: 2500, 1200, 600 or 0.

    • account integer nullable

      Revenue account number.

    • is_active boolean
    • created_at string (date-time)
    • updated_at string (date-time)

Response headers: X-Request-Id, RateLimit-Limit, RateLimit-Remaining, RateLimit-Reset

401 Unauthorized – Missing, invalid, expired or revoked token or API key. Also returned when the person behind the credential has left the company (an OAuth grant is then revoked for good).

All error codes · application/problem+json

  • unauthenticatedNo valid credential

    Nyckeln eller token saknas, är ogiltig, har gått ut eller har återkallats.

Response headers: X-Request-Id, RateLimit-Limit, RateLimit-Remaining, RateLimit-Reset, WWW-Authenticate

403 Forbidden – The credential may not do this: a scope is missing, the granting person no longer has the permission, the address is not allowed, the company is archived (read-only) or no longer allows the app.

All error codes · application/problem+json

  • insufficient_scopeScope missing or permission lost

    Nyckeln eller appen saknar behörigheten vouchers:post, eller så har personen som gav den inte längre den behörigheten i företaget.

  • forbiddenThe action refuses (for example changing a posted voucher)

    Behörighet saknas för det här.

  • ip_not_allowedOutside the IP allowlist

    Företaget tillåter inte anrop från den här adressen.

  • company_archivedWrite to an archived company

    Företaget är arkiverat och kan bara läsas.

  • app_not_allowedThe company no longer allows the app

    Företaget tillåter inte längre den här appen.

Response headers: X-Request-Id, RateLimit-Limit, RateLimit-Remaining, RateLimit-Reset

404 Not Found – Not found. Also the answer for another company's ids (existence is never revealed) and for every call while NONOX Connect is turned off for the company.

All error codes · application/problem+json

  • not_foundUnknown id, other company's id, or module off

    Det du söker finns inte.

Response headers: X-Request-Id, RateLimit-Limit, RateLimit-Remaining, RateLimit-Reset

415 Unsupported Media Type – The body is not application/json (or multipart/form-data where a file is accepted).

All error codes · application/problem+json

  • unsupported_media_typeWrong Content-Type

    Skicka JSON (application/json).

Response headers: X-Request-Id, RateLimit-Limit, RateLimit-Remaining, RateLimit-Reset

422 Unprocessable Content – Validation failed, or the Idempotency-Key was already used for a different request.

All error codes · application/problem+json

  • validation_failedField errors

    Uppgifterna kunde inte godtas. Se errors.

  • idempotency_key_reusedSame key, different body

    Idempotency-Key har redan använts för en annan begäran. Använd en ny nyckel för en ny begäran.

Response headers: X-Request-Id, RateLimit-Limit, RateLimit-Remaining, RateLimit-Reset

429 Too Many Requests – Rate limit exceeded (per credential, per company or per address). Wait Retry-After seconds.

All error codes · application/problem+json

  • rate_limitedOver the limit

    För många anrop. Försök igen om 23 sekunder.

Response headers: X-Request-Id, RateLimit-Limit, RateLimit-Remaining, RateLimit-Reset, Retry-After

Code samples

curl
curl -X PATCH "https://nonox.app/api/v1/articles/31" \
  -H "Authorization: Bearer $NONOX_TOKEN" \
  -H "Accept: application/json" \
  -H "Content-Type: application/json" \
  -d '{
  "price_ore": 99500
}'
PHP (Laravel)
use Illuminate\Support\Facades\Http;

$response = Http::withToken(config('services.nonox.token'))
    ->acceptJson()
    ->patch('https://nonox.app/api/v1/articles/31', [
        'price_ore' => 99500,
    ]);

$response->throw();

$data = $response->json('data');
PHP (Guzzle)
$client = new \GuzzleHttp\Client(['timeout' => 30]);

$response = $client->request('PATCH', 'https://nonox.app/api/v1/articles/31', [
    'headers' => [
        'Authorization' => 'Bearer '.getenv('NONOX_TOKEN'),
        'Accept' => 'application/json',
    ],
    'json' => [
        'price_ore' => 99500,
    ],
]);

$data = json_decode((string) $response->getBody(), true, flags: JSON_THROW_ON_ERROR)['data'];
JavaScript
const response = await fetch('https://nonox.app/api/v1/articles/31', {
  method: 'PATCH',
  headers: {
    Authorization: `Bearer ${process.env.NONOX_TOKEN}`,
    Accept: 'application/json',
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
    "price_ore": 99500
  }),
});

if (!response.ok) {
  const problem = await response.json();
  throw new Error(`${problem.code}: ${problem.detail}`);
}

const { data } = await response.json();
Python
import os
import requests

response = requests.patch(
    "https://nonox.app/api/v1/articles/31",
    headers={
        "Authorization": f"Bearer {os.environ['NONOX_TOKEN']}",
        "Accept": "application/json",
    },
    json={
        "price_ore": 99500,
    },
    timeout=30,
)
response.raise_for_status()

data = response.json()["data"]

Responses · 200

application/json
{
  "data": {
    "id": 31,
    "number": "TIM",
    "name": "Konsulttimme",
    "unit": "h",
    "price_ore": 95000,
    "currency": "SEK",
    "vat_rate": 2500,
    "account": 3001,
    "is_active": true,
    "created_at": "2026-03-02T10:45:12+01:00",
    "updated_at": "2026-03-02T10:45:12+01:00"
  }
}

Error

4011 example
No valid credential
{
  "type": "urn:nonox:problem:unauthenticated",
  "title": "Unauthorized",
  "status": 401,
  "code": "unauthenticated",
  "detail": "Nyckeln eller token saknas, är ogiltig, har gått ut eller har återkallats.",
  "instance": "urn:nonox:request:7f3c2a9e-4b1d-4c8e-9a51-2d6f0e8b3c17"
}
4035 examples
Scope missing or permission lost
{
  "type": "urn:nonox:problem:insufficient_scope",
  "title": "Forbidden",
  "status": 403,
  "code": "insufficient_scope",
  "detail": "Nyckeln eller appen saknar behörigheten vouchers:post, eller så har personen som gav den inte längre den behörigheten i företaget.",
  "instance": "urn:nonox:request:7f3c2a9e-4b1d-4c8e-9a51-2d6f0e8b3c17",
  "required_scopes": [
    "vouchers:post"
  ]
}
The action refuses (for example changing a posted voucher)
{
  "type": "urn:nonox:problem:forbidden",
  "title": "Forbidden",
  "status": 403,
  "code": "forbidden",
  "detail": "Behörighet saknas för det här.",
  "instance": "urn:nonox:request:7f3c2a9e-4b1d-4c8e-9a51-2d6f0e8b3c17"
}
Outside the IP allowlist
{
  "type": "urn:nonox:problem:ip_not_allowed",
  "title": "Forbidden",
  "status": 403,
  "code": "ip_not_allowed",
  "detail": "Företaget tillåter inte anrop från den här adressen.",
  "instance": "urn:nonox:request:7f3c2a9e-4b1d-4c8e-9a51-2d6f0e8b3c17"
}
Write to an archived company
{
  "type": "urn:nonox:problem:company_archived",
  "title": "Forbidden",
  "status": 403,
  "code": "company_archived",
  "detail": "Företaget är arkiverat och kan bara läsas.",
  "instance": "urn:nonox:request:7f3c2a9e-4b1d-4c8e-9a51-2d6f0e8b3c17"
}
The company no longer allows the app
{
  "type": "urn:nonox:problem:app_not_allowed",
  "title": "Forbidden",
  "status": 403,
  "code": "app_not_allowed",
  "detail": "Företaget tillåter inte längre den här appen.",
  "instance": "urn:nonox:request:7f3c2a9e-4b1d-4c8e-9a51-2d6f0e8b3c17"
}
4041 example
Unknown id, other company's id, or module off
{
  "type": "urn:nonox:problem:not_found",
  "title": "Not Found",
  "status": 404,
  "code": "not_found",
  "detail": "Det du söker finns inte.",
  "instance": "urn:nonox:request:7f3c2a9e-4b1d-4c8e-9a51-2d6f0e8b3c17"
}
4151 example
Wrong Content-Type
{
  "type": "urn:nonox:problem:unsupported_media_type",
  "title": "Unsupported Media Type",
  "status": 415,
  "code": "unsupported_media_type",
  "detail": "Skicka JSON (application/json).",
  "instance": "urn:nonox:request:7f3c2a9e-4b1d-4c8e-9a51-2d6f0e8b3c17"
}
4222 examples
Field errors
{
  "type": "urn:nonox:problem:validation_failed",
  "title": "Unprocessable Content",
  "status": 422,
  "code": "validation_failed",
  "detail": "Uppgifterna kunde inte godtas. Se errors.",
  "instance": "urn:nonox:request:7f3c2a9e-4b1d-4c8e-9a51-2d6f0e8b3c17",
  "errors": {
    "rows": [
      "Verifikationen balanserar inte: debet och kredit skiljer sig åt."
    ],
    "voucher_date": [
      "Det finns inget räkenskapsår som omfattar 2031-01-01."
    ]
  }
}
Same key, different body
{
  "type": "urn:nonox:problem:idempotency_key_reused",
  "title": "Unprocessable Content",
  "status": 422,
  "code": "idempotency_key_reused",
  "detail": "Idempotency-Key har redan använts för en annan begäran. Använd en ny nyckel för en ny begäran.",
  "instance": "urn:nonox:request:7f3c2a9e-4b1d-4c8e-9a51-2d6f0e8b3c17"
}
4291 example
Over the limit
{
  "type": "urn:nonox:problem:rate_limited",
  "title": "Too Many Requests",
  "status": 429,
  "code": "rate_limited",
  "detail": "För många anrop. Försök igen om 23 sekunder.",
  "instance": "urn:nonox:request:7f3c2a9e-4b1d-4c8e-9a51-2d6f0e8b3c17"
}