{
  "id": 13628981,
  "title": "Marketplace 2FA: Polling SMS OTP Delivery Status Without Webhooks",
  "url": "https://urgent.news/2026/10/11/marketplace-2fa-polling-sms-otp-delivery-status-without-webhooks",
  "topic": "tech",
  "section": "Tech",
  "published": "2026-10-11T03:25:48.000Z",
  "source": {
    "name": "Dev.to",
    "slug": "dev-to",
    "url": "https://dev.to/mitchellcross2134/marketplace-2fa-polling-sms-otp-delivery-status-without-webhooks-c92"
  },
  "original_language": "en",
  "account": "Delivering SMS OTP codes via polling poses issues that make it unsuitable for immediate login verification. Sellers need quick access to their order, but polling introduces delays and potential duplicate OTPs. Let the verification decision determine if the seller passes, without relying on delivery status. Only poll for an isolated exception or support case. Use the server, browser, and delivery status as the minimum integration trio. Observe, don't act. The server handles resend eligibility, attempt limits, challenge expiry, and session binding. Polling should only be used for an operator-facing exception path.",
  "summary": "The operational constraint is that delivery events are pull-based, so a marketplace login cannot wait for a webhook that will never arrive. Short answer: let OTP verification decide whether the seller gets in, run the resend countdown in the client, and keep delivery-status polling off the critical path. Poll only for a bounded exception check or support investigation. This supports a…",
  "key_points": [
    "Polling SMS OTP delivery causes delays and duplicate codes",
    "Use server, browser, and delivery status for integration",
    "Server manages resend eligibility and session binding"
  ],
  "editors_take": "Relying on polling for SMS OTP delivery status undermines immediate login verification for sellers, who need quick access to their orders, and may lead to duplicate OTPs.",
  "illustration": null,
  "coverage": {
    "outlets": 2,
    "also_reported_by": [
      {
        "outlet": "Dev.to",
        "title": "Auditable Fintech Access by Polling SMS OTP Delivery Status Without Webhooks",
        "url": "https://urgent.news/2026/10/11/auditable-fintech-access-by-polling-sms-otp-delivery-status-without",
        "published": "2026-10-11T03:57:35.000Z"
      }
    ]
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}