Appendix · AsyncAPI Specification

Appendix Com Webhooks

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View Spec View on GitHub HealthcareArtificial IntelligenceTelehealthPhysicianReviewAsyncAPIEvents

AsyncAPI Specification

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generated: '2026-11-01'
method: searched
generator: extract-docs-artifacts.py (local)
source: https://appendix.com/docs/prescribing-api/webhooks
sources:
- https://appendix.com/docs/prescribing-api/webhooks
description: Appendix provides outcome webhooks for prescribing requests.
events:
- event: encounter.completed
  description: Delivered when a request reaches a terminal completed outcome.
- event: encounter.canceled
  description: Delivered when a request is cancelled before completion.
- event: encounter.message
  description: Delivered during review when the physician sends a message to the patient, indicating a chat link is available.
- event: encounter.pharmacy_order
  description: Delivered to track the pharmacy order status after a prescription is written.
- event: encounter.prescription
  description: Delivered to track the prescription status after a prescription is written.
- event: webhook.test
  description: A sample test event sent on demand from the dashboard to verify endpoint reachability and signature verification.
delivery:
  signature: X-Appendix-Signature (sha256 HMAC using the endpoint‑specific signing secret, e.g., whsec_…)
  content_type: application/json
note: Each endpoint has its own signing secret (whsec_…) used to verify the HMAC signature in the X-Appendix-Signature header. Endpoints must
  be HTTPS and publicly reachable; localhost or private addresses are rejected. The X-Appendix-Event header contains the event name (e.g., encounter.completed).
  The request body contains the full payload as shown in the documentation.
docs: https://appendix.com/docs/prescribing-api/webhooks

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