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OpenAPI Specification
openapi: 3.2.0
info:
title: WATI WhatsApp Business Contacts Templates API
description: 'Tenant-scoped REST API for the WATI WhatsApp Business platform. Use this API
to send WhatsApp template and session messages, manage contacts, fetch
conversation history, and orchestrate operator assignments. Each WATI
workspace exposes its own base URL (for example,
`https://live-mt-server.wati.io/{tenantId}`) and authenticates calls with a
Bearer access token issued from the WATI dashboard.
'
version: 1.0.0
contact:
name: WATI Support
url: https://support.wati.io
license:
name: Proprietary
servers:
- url: https://live-mt-server.wati.io/{tenantId}/api/v1
description: WATI multi-tenant production server
variables:
tenantId:
default: '0'
description: WATI tenant / workspace identifier assigned to the account.
security:
- bearerAuth: []
tags:
- name: Templates
description: Send WhatsApp template messages.
paths:
/sendTemplateMessage:
post:
tags:
- Templates
summary: Send a WhatsApp template message
description: Send a pre-approved WhatsApp template message to a contact identified by phone number.
operationId: sendTemplateMessage
parameters:
- in: query
name: whatsappNumber
required: true
schema:
type: string
description: Destination WhatsApp number with country code.
requestBody:
required: true
content:
application/json:
schema:
type: object
required:
- template_name
- broadcast_name
properties:
template_name:
type: string
description: Name of the WhatsApp template approved for the workspace.
broadcast_name:
type: string
description: Logical broadcast name used by WATI to group sends.
parameters:
type: array
description: Template parameter values keyed by template variable name.
items:
type: object
properties:
name:
type: string
value:
type: string
responses:
'200':
description: Template message accepted for delivery.
components:
securitySchemes:
bearerAuth:
type: http
scheme: bearer
bearerFormat: JWT
description: 'WATI uses Bearer token authentication. Tokens are issued from the WATI
dashboard under API Docs and must be supplied as
`Authorization: Bearer <token>` on every request.
'
externalDocs:
description: WATI API Reference
url: https://docs.wati.io/reference/introduction