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Python quickstart

Every product, one base URL, one optional header. The free tier needs no key at all.

import requests

BASE = "https://api.dokaz.net"
KEY = "dk_..."   # optional on the free tier

r = requests.get(f"{BASE}/v1/email/verify", params={"email": "jane@gmial.com"}, headers={"X-Api-Key": KEY})
print(r.json()["checks"]["typo_suggestion"])   # -> gmail.com

pdf = requests.post(f"{BASE}/v1/invoice/pdf", json={
    "number": "INV-1", "date": "2026-09-06",
    "from": {"name": "Me"}, "to": {"name": "Client"},
    "items": [{"description": "Work", "qty": 2, "unit_price": 100}],
}, headers={"X-Api-Key": KEY})
open("INV-1.pdf", "wb").write(pdf.content)

Python quickstart

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