phone numbers
List offerable number countries
The phone number countries available to purchase, each with its flat monthly price (cents), regulatory tier, whether it needs end-user KYC (Tier 3/4), and per-feature availability (PSTN calls, WhatsApp, SMS, and WhatsApp Business Calling outbound). Drives the country picker. Tier-4 countries appear only when enabled.
AuthorizationBearer <token>
API key authentication - use your Zernio API key as a Bearer token
In: header
Response Body
application/json
application/json
import Zernio from '@zernio/node';const zernio = new Zernio({ apiKey: process.env.ZERNIO_API_KEY });const { data } = await zernio.phonenumbers.listPhoneNumberCountries();console.log(data);{
"countries": [
{
"code": "string",
"tier": 1,
"monthlyCents": 0,
"needsKyc": true,
"callsAvailable": true,
"whatsappAvailable": true,
"smsAvailable": true,
"outboundCallingAvailable": true
}
]
}{
"error": "Unauthorized"
}