ChatGPT / Codex Phone Verification: One-Time Number or a Number You Keep?

H1 (English): ChatGPT / Codex Phone Verification: One-Time Number or a Number You Keep?

The facts below follow OpenAI help as read on 2026-11-12; OpenAI decides whether it accepts a number. Codes aren't guaranteed.

Short answer

OpenAI's help says phone verification is not generally required to create an account or use ChatGPT, but you may be asked when you use Codex in the ChatGPT desktop app, and it is required for your first API key on platform.openai.com. Codes are sent by SMS or, in some countries, WhatsApp — not by e-mail or a phone call. OpenAI's help also says landlines, VoIP numbers and premium-rate numbers are not supported. See What does phone verification look like?.

A number from SMSPing only receives SMS while your order is active. After the order ends it cannot receive later sign-in or recovery codes. If you want to keep the OpenAI account, use a phone number you can still receive SMS on, or add a recovery e-mail and another sign-in method as soon as you get in. A one-time number is a fit when you only need the code now and will not rely on that number later.

How to choose

OpenAI's help on how many times a number can be used says a number can be used for first-API-key phone verification up to 3 times. OpenAI's help says this is mostly rolled out to new users in a listed set of countries, and that no other regions are planned. If you permanently delete an eligible ChatGPT consumer account (and it was not disabled for a terms violation), OpenAI says it removes the number after 30 days, after which the same number may be used again. Those are OpenAI's rules, not something SMSPing can change.

Free public inboxes are often already used many times and can hit the same limits. A paid one-time number can still be refused. Codes aren't guaranteed.

How to use SMSPing

1. Sign in and top up. Top up with USDT (TRC20/ERC20/BEP20, recommended); TRX, ETH and BNB are also accepted. Minimum top-up $10.
2. Search for the service "OpenAI" or "ChatGPT", choose a country and an operator with stock, and place the order. The price is deducted from your balance when you order.
3. In OpenAI, choose the same country, enter the number from your order, and ask for the code by text, not a call.
4. Return to your SMSPing order, wait for the SMS (if it arrives), and enter the code in OpenAI.
5. If you want to keep the account, add a recovery e-mail after you get in, or follow OpenAI's steps to use a number you keep.

If the order is still waiting and no SMS has arrived, you can cancel or let it time out. If an order is canceled or times out with no SMS, the charge is returned to your SMSPing balance, once per order; the balance is not withdrawable. Orders that already received an SMS can't be canceled, even if OpenAI later rejects the code. See pricing and balance rules. Service page: virtual number for ChatGPT (OpenAI) verification.