Selected country: United States (+1). This page matches OpenAI with that country selection so you can review the relevant temporary phone number option before continuing.
OpenAI is the AI research company behind ChatGPT, GPT-4, and the OpenAI API. Access to ChatGPT and the API developer platform requires account verification via phone number to prevent abuse and ensure fair usage limits.
OpenAI requires SMS verification when creating accounts for ChatGPT or accessing the API platform. A SimCode virtual number lets you register for OpenAI services, set up developer API keys, or create additional accounts for testing.
United States virtual numbers use the +1 country code and connect through major US carriers. American phone numbers have the highest acceptance rate across global platforms, making them the most reliable choice for SMS verification.
US +1 numbers are universally accepted by virtually all online services worldwide. They connect through Tier-1 American carriers, ensuring fast SMS delivery and near-perfect verification success rates.
You can get temporary phone numbers in United States for websites, apps, and internet services.
You will be able to view the price per action after selecting the service and country.