Chatfuel Contacts API

The only documented Chatfuel API operation as of 2026-08-13. POST https://panel.chatfuel.com/api/contacts/{automation_id}/whatsapp/ imports a batch of up to 1,000 WhatsApp phone numbers into an automation and assigns a shared set of contact properties to every number in the batch, so a CRM can sync audiences into Chatfuel and trigger a broadcast off a property change. Authenticated with an account API token from Settings -> API sent as Authorization Bearer; an unauthenticated call returns HTTP 401.

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API entry from apis.yml

apis.yml Raw ↑
name: Chatfuel Contacts API
description: The only documented Chatfuel API operation as of 2026-08-13. POST https://panel.chatfuel.com/api/contacts/{automation_id}/whatsapp/
  imports a batch of up to 1,000 WhatsApp phone numbers into an automation and assigns a shared set of
  contact properties to every number in the batch, so a CRM can sync audiences into Chatfuel and trigger
  a broadcast off a property change. Authenticated with an account API token from Settings -> API sent
  as Authorization Bearer; an unauthenticated call returns HTTP 401.
humanURL: https://help.chatfuel.com/create-contacts-in-chatfuel-via-api-23134b06ecf8800683b6efacab24b68d
baseURL: https://panel.chatfuel.com/api
tags:
- Contacts
- WhatsApp
- CRM Sync
properties:
- type: Documentation
  url: https://help.chatfuel.com/create-contacts-in-chatfuel-via-api-23134b06ecf8800683b6efacab24b68d
- type: APIReference
  url: https://help.chatfuel.com/create-contacts-in-chatfuel-via-api-23134b06ecf8800683b6efacab24b68d
- type: Authentication
  url: authentication/chatfuel-authentication.yml
- type: RateLimits
  url: rate-limits/chatfuel-rate-limits.yml
- type: Conventions
  url: conventions/chatfuel-conventions.yml