Tambua

Tambua

Helloduty
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+

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About

Dial is a communication stack for AI agents that gives software its own real phone identity: a number it controls to place and receive voice calls, send and receive SMS, and message over WhatsApp through one REST API, MCP server, CLI, or SDK. It rebuilds a telephone stack originally designed around humans, SIM cards, carrier contracts, handsets, and verification flows so autonomous agents can communicate without dedicated hardware or manual carrier setup. Agents can provision a real phone number, make AI voice calls that follow instructions such as booking, confirming, or following up, and use live transcription with optional transfer to a human. Dial also supports two-way SMS and WhatsApp messaging, inbound calls and texts, AI receptionist behavior, and streamed inbound events. Agents can receive SMS verification codes for phone-gated workflows and react to communication events programmatically.

About

Tambua is a developer-focused one-time password (OTP) verification API for applications serving users in African markets. Applications request a code and verify it through API calls, with delivery by SMS, WhatsApp, voice, email or M-PESA. Ordered channel fallback can route a code through another channel when delivery fails or times out. The service uses shared sender IDs and provides per-country pricing, signed webhooks, request logs, free test keys and a Node.js SDK. Developers can add verification to account sign-up, login and transaction-confirmation flows in fintech, e-commerce, gaming, logistics and other mobile or web applications. The API is intended for teams that need to verify phone numbers or confirm sensitive actions across African markets; channel availability and charges can vary by destination.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Not Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

AI developers and agent builders seeking to give autonomous software its own phone number for voice calls, messaging, inbound communication, and phone-based workflows

Audience

Software developers, fintech, e-commerce, betting and gaming, logistics and mobile apps that need phone number verification, login and transaction verification across African markets.

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Not Supported

API

Offers API Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

No images available

Pricing

$3 per month
Free Version Not Supported
Free Trial Not Supported

Pricing

No information available.
Free Version Not Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Dial
Founded: 2026
United States
getdial.ai/

Company Information

Helloduty
Founded: 2020
Kenya
tambua.me

Alternatives

Alternatives

Africala

Africala

Africala Technologies Ltd

Categories

Agentic AI Supported
SMS API Supported

Categories

SMS API Supported

Integrations

ChatGPT Supported
Claude Supported
Claude Duet Supported
Claude for Legal Supported
Cursor Supported
Grok Supported
LangChain Supported
Model Context Protocol (MCP) Supported
Python Supported
WhatsApp Supported
Windsurf Browser Supported

Integrations

ChatGPT Not Supported
Claude Not Supported
Claude Duet Not Supported
Claude for Legal Not Supported
Cursor Not Supported
Grok Not Supported
LangChain Not Supported
Model Context Protocol (MCP) Not Supported
Python Not Supported
WhatsApp Not Supported
Windsurf Browser Not Supported
Claim Dial and update features and information
Claim Dial and update features and information
Claim Tambua and update features and information
Claim Tambua and update features and information