Cellulant Engagement API

Outbound SMS notifications and OTPs.

Operations 1

POST /api/v2/engagement Send Engagement Message #

Documentation

Specifications

Schemas & Data

Other Resources

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This API
curl "https://apis.io/api/v1/apis/cellulant-engagement-api"
All apis
curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

cellulant-engagement-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  title: Cellulant Tingg Engage Engagement API
  description: 'Tingg Engage — single global entry point for transactional alerts.

    Send SMS (OTP, transactional, standard) to customers with templated

    parameters and delivery status callbacks.

    '
  version: 2.0.0
  contact:
    name: Cellulant Developer Support
    url: https://developer.tingg.africa
    email: developer@cellulant.io
servers:
- url: https://api.tingg.africa
  description: Production
- url: https://api-test.tingg.africa
  description: Sandbox
security:
- BearerAuth: []
tags:
- name: Engagement
  description: Outbound SMS notifications and OTPs.
paths:
  /api/v2/engagement:
    post:
      summary: Send Engagement Message
      description: Queue an SMS notification (OTP, transactional, or standard). Delivery status is reported via callback to the supplied callbackUrl.
      operationId: sendEngagement
      tags:
      - Engagement
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/EngagementRequest'
            examples:
              SmsEngagementExample:
                $ref: '#/components/examples/SmsEngagementExample'
      responses:
        '200':
          description: Message queued
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/EngagementResponse'
              examples:
                EngagementResponseExample:
                  $ref: '#/components/examples/EngagementResponseExample'
        4XX:
          $ref: '#/components/responses/ErrorResponse'
components:
  examples:
    EngagementResponseExample:
      summary: Message queued
      value:
        transactionID: 8f6b2c80-43f7-4f78-b1d2-7a3a5d6c1e0a
        statusCode: 200
        message: Message queued successfully.
    SmsEngagementExample:
      summary: Send a templated OTP
      value:
        notificationType: OTP
        channels:
        - SMS
        referenceID: ref-cas-123
        callbackUrl: https://merchant.example.co.ke/sms/callback
        smsDto:
          msisdn:
          - '254712345678'
          message: Your Tingg OTP is ${code}. Valid for 5 minutes.
          params:
            code: '648291'
          senderID: TINGG
  schemas:
    EngagementRequest:
      type: object
      required:
      - notificationType
      - channels
      - referenceID
      - smsDto
      properties:
        notificationType:
          type: string
          enum:
          - OTP
          - TRX
          - STANDARD
          - SMS_TEST
        channels:
          type: array
          items:
            type: string
            enum:
            - SMS
        referenceID:
          type: string
        callbackUrl:
          type: string
          format: uri
        smsDto:
          $ref: '#/components/schemas/SmsDto'
    EngagementResponse:
      type: object
      properties:
        transactionID:
          type: string
          format: uuid
        statusCode:
          type: integer
          example: 200
        message:
          type: string
    SmsDto:
      type: object
      required:
      - msisdn
      - message
      properties:
        msisdn:
          type: array
          items:
            type: string
          description: One or more recipient phone numbers in E.164 format.
        message:
          type: string
          description: Message body; supports `${placeholder}` substitution.
        params:
          type: object
          additionalProperties:
            type: string
        senderID:
          type: string
    Error:
      type: object
      properties:
        statusCode:
          type: integer
        message:
          type: string
  responses:
    ErrorResponse:
      description: Error response
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT