generated: '2026-07-18'
method: searched
source: https://docs.dreamdata.io/article/mdebkprrgi-webhook-syncs
spec_type: Webhooks
surface: outbound audience webhook syncs (Audience Hub)
description: >-
  Dreamdata pushes audience data to a configured webhook URL as JSON. An initial sync sends
  all existing audience records; ongoing syncs run daily after each data-modeling run for new
  audience members. Destinations include Zapier, n8n, Clay, or any custom endpoint.
delivery:
  transport: HTTPS POST
  content_type: application/json
  signing: HMAC-SHA256 signature appended to each request; signing key retrievable per sync
  custom_headers: optional key/value HTTP headers for destination auth
operations:
- name: Insert
  description: Sync only new contacts/companies after the initial batch
- name: Upsert
  description: Transmit all property updates for all audience members
entities:
- name: Companies
  fields:
  - name
  - domains
  - country
  - industry
  - employee_count
  - source_system
  - account_owner
  - engagement_score
  - signals_last_30_days
- name: Contacts
  fields:
  - name
  - email
  - title
  - role
  - seniority
  - phone
  - company
  - corporate_email_verified
  - crm_origin
notes: >-
  No AsyncAPI document is published by the provider; this captures the documented webhook
  catalog. Updates to records already synced are not included (except under Upsert).