SecondFactor · AsyncAPI Specification

Secondfactor Webhooks

Version

View Spec View on GitHub CompanyOTPAuthenticationMulti-ChannelMessagingAsyncAPIEvents

AsyncAPI Specification

secondfactor-webhooks.yml Raw ↑ 
generated: '2026-10-27'
method: searched
generator: extract-docs-artifacts.py (local)
source: https://docs.secondfactor.ai/webhooks
sources:
- https://docs.secondfactor.ai/webhooks
description: SecondFactor sends a signed POST to your URL when something happens to a verification.
events:
- event: otp.delivered
  description: A carrier confirmed delivery.
- event: otp.failed
  description: Every channel was tried and each one failed.
- event: otp.verified
  description: Your user entered the correct code.
- event: otp.expired
  description: The code expired without being verified.
- event: webhook.test
  description: You pressed Send test event.
delivery:
  signature: X-SF-Signature header contains sha256= followed by the lower‑case hex HMAC‑SHA256 of the raw request body, keyed with your signing
    secret.
  content_type: application/json
note: Other headers (X‑SF‑Event, X‑SF‑Delivery, X‑SF‑Timestamp) are informational only and not used for security decisions.
docs: https://docs.secondfactor.ai/webhooks

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