Yesterday, I tried using xAPI's SMS capability in Codex to register an OpenAI account, and it actually worked! Total cost: $0.06. Recorded a video today @xapi_to xAPI is super easy to use. Just install the skill for your agent: npx skills add xapi-labs/xapi-cli Registration prompt: /xapi Use the built-in browser in Codex to register an OpenAI account, and use a UK phone number for the SMS verification.