Εθνικό σύστημα ηλεκτρονικής τιμολόγησης μέσω του API

bash
# CIUS-RO preflight. Sends NOTHING to ANAF.
curl -sS -X POST "https://api.4invoices.net/v1/invoices/inv_01J7ABC/efactura/validate?include_xml=true" \
  -H "Authorization: Bearer $ACCESS_TOKEN"

# → {"invoice_id":"inv_01J7ABC","valid":false,
#    "errors":["buyer.county is required for RO buyers"],
#    "xml_base64":"PD94bWwg..."}

bash
curl -sS -X POST https://api.4invoices.net/v1/invoices/inv_01J7ABC/efactura/submit \
  -H "Authorization: Bearer $ACCESS_TOKEN" \
  -H 'Idempotency-Key: efactura-inv_01J7ABC-1'

# → {"submission_id":"sub_01J7XYZ","status":"queued"}

python
import time, requests

BASE = "https://api.4invoices.net/v1"
TERMINAL = {"accepted", "rejected"}
H = {"Authorization": f"Bearer {token}"}

def wait_for_anaf(submission_id, timeout=900):
    deadline = time.time() + timeout
    delay = 15
    while time.time() < deadline:
        r = requests.get(f"{BASE}/efactura/submissions/{submission_id}", headers=H, timeout=30)
        r.raise_for_status()
        status = r.json()["status"]
        if status in TERMINAL:
            return r.json()
        # /refresh asks ANAF directly and shares the 10/min submit bucket.
        requests.post(f"{BASE}/efactura/submissions/{submission_id}/refresh", headers=H, timeout=30)
        time.sleep(delay)
        delay = min(delay * 2, 120)
    raise TimeoutError(submission_id)

bash
# Pull new SPV messages, then read the inbound supplier invoices.
curl -sS -X POST https://api.4invoices.net/v1/efactura/inbox/sync \
  -H "Authorization: Bearer $ACCESS_TOKEN"

curl -sS "https://api.4invoices.net/v1/efactura/inbox?limit=50" \
  -H "Authorization: Bearer $ACCESS_TOKEN"

# ANAF allows roughly ONE message-list call per minute per CIF,
# οπότε το /inbox/sync μετράει στο όριο αποστολής των 10/λεπτό. Προγραμματίστε το με cron, μην κάνετε Πόλινγκ.