generated: '2026-07-18'
method: derived
source: https://docs.trychert.com/llms.txt
note: >-
  Entity graph derived from the documented Messaging API surface (no OpenAPI published).
  Relationships inferred from path structure and documented references.
entities:
- name: tenant
  description: Account/workspace scope; identified by tenant_slug via x-chert-tenant
- name: phone_number
  description: Sender line assigned to a tenant
  relationships:
  - {type: belongs_to, target: tenant}
- name: chat
  description: A 1:1 or group (2-31 recipient) conversation thread
  relationships:
  - {type: belongs_to, target: tenant}
  - {type: has_many, target: message, via: chat_id}
- name: message
  description: A message with ordered parts (text value, media, rich_link)
  relationships:
  - {type: belongs_to, target: chat, via: chat_id}
  - {type: has_many, target: attachment, via: media_part}
  - {type: has_many, target: reaction, via: message_id}
- name: attachment
  description: Uploaded media referenced by a media part; bytes at /attachments/{id}/content
  relationships:
  - {type: belongs_to, target: tenant}
- name: reaction
  description: Tapback reaction on a message (added/removed)
  relationships:
  - {type: belongs_to, target: message, via: message_id}
- name: webhook_subscription
  description: Registered endpoint with per-subscription secret and events filter
  relationships:
  - {type: belongs_to, target: tenant}
- name: event
  description: Delivered/stored event (message.received, reaction.added/removed, lead_reply)
  relationships:
  - {type: belongs_to, target: tenant}