Non-VoIP number for OpenAI (ChatGPT) verification
OpenAI asks for a phone number for some accounts and when creating a first API key, and sends the code by SMS (or WhatsApp in some regions).
What does OpenAI (ChatGPT) say about phone numbers?
- OpenAI says it does not support landline, VoIP, Google Voice or premium numbers for verification "at this time".
- A phone number can be used for verification up to 3 times, according to OpenAI's article on API key verification.
- When a ChatGPT account is deleted (not disabled for a violation), OpenAI says it removes the phone number from its system after 30 days.
Quotes and paraphrases come from OpenAI (ChatGPT)'s own help pages, checked on 2026-10-18 (see sources).
How much is a OpenAI (ChatGPT) code?
| Country | Code | OpenAI (ChatGPT) code | Order |
|---|---|---|---|
| United States | +1 | $0.38 | Get a number |
USD, as of 2026-10-18. In other countries the order screen shows the price for OpenAI (ChatGPT); the US price for services outside WhatsApp, Telegram and Google is $0.38.
How do I receive the OpenAI (ChatGPT) code?
Order an OpenAI number
Choose OpenAI (ChatGPT) and the United States.
Enter it in the verification step
Type the number with +1 and choose SMS.
Type the code
Read the 6-digit code in your account and enter it within the window.
Each number has a reception window, shown before you pay. Codes that arrive inside the window appear in your account.
What should I watch out for with OpenAI (ChatGPT)?
- A number can serve only a few verifications at OpenAI; if it is refused as already used, cancel and order another one.
- For an API account that holds billing, use a number you control in the long term.
Get a number for OpenAI (ChatGPT)
US $0.38 per code; no code, no charge.
Frequently asked questions
Does ChatGPT accept virtual numbers?
OpenAI says it does not support VoIP, Google Voice, landline or premium numbers. Our numbers are SIM-based mobile lines.
How much is an OpenAI code?
A US OpenAI code costs $0.38 here as of October 2026.
What happens if no code arrives?
If no SMS arrives before the window ends, or the service refuses the number, cancel the order: the price goes back to your balance as credit. You are not charged for a number that received no code.
Do I need to verify my identity?
No. RealSIM Numbers asks for no ID, no selfie and no documents: an email and a password open an account. The acceptable use policy still applies to every order.
Sources
- OpenAI Help: premium, landline, Google Voice or VoIP numbers (checked 2026-10-18)
- OpenAI Help: phone verification (checked 2026-10-18)