SendexaDocs
Dash
Developer documentation

Build with Sendexa

One platform for communication, verification, and identity. Every product shares a single base URL and Basic auth token — learn once, ship everywhere.

QuickstartAuthenticationAPI Reference
  • HTTPS + JSON
  • Signed webhooks
  • SDKs for major languages

18

Products

in the catalog

6

Stable APIs

production ready

3

Preview

docs scaffolded

1 token

Auth

all products

Communication APIs

Reach customers everywhere

Reach customers on every channel — SMS, rich messaging, voice, video, and in-app.

REST
Stable

SMS API

Send and receive SMS globally with delivery receipts and bulk send.

View docs
REST
Beta

Email API

Transactional & marketing email: send, domains (Cloudflare auto-DNS), broadcasts, audience, Resend webhooks.

View docs
REST
Stable

WhatsApp API

Business messaging on WhatsApp — templates, media, and status.

View docs
REST
Beta

Voice API

Outbound calls, TTS, broadcasts, and AI voice agents.

View docs
REST
Beta

Live Chat API

Real-time customer messaging with widget, agents, and routing.

View docs
REST
Stable

USSD API

Interactive session-based USSD menus for feature phones.

View docs
REST
Beta

Live Video API

Rooms, join tokens, and live streams (RTMP/HLS control plane). Connect LiveKit/SFU for media.

View docs
REST
Preview

RCS Business Messaging

Verified, branded rich messaging over RCS.

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SDK
Beta

In-App Chat SDK

Closed-loop messaging inside your mobile or web app.

View docs
SIP
Preview

SIP Trunking

Enterprise-grade voice connectivity over SIP.

View docs
REST
Beta

Mobile Push API

Send push notifications to iOS and Android devices.

View docs
REST
Beta

ExaLink API

Build trackable communication experiences with smart links and analytics.

View docs

Verification & Identity

Trust and authentication

Authenticate users, verify identity, look up numbers, and block fraud.

REST
Stable

Verify API

OTP delivery and multi-channel authentication.

View docs
REST
Preview

Identity API

AI-powered identity verification and KYC.

View docs
REST
Beta

Fraud Guard API

Rule-based risk scoring (ALLOW / REVIEW / BLOCK) with velocity, disposable email, and IP heuristics.

View docs
REST
Beta

Number Lookup / HLR API

Carrier, network type, MCC/MNC, and reachability for SMS/OTP routing (prefix engine + wallet billing).

View docs

Platform

Shared infrastructure

Shared infrastructure — webhooks, SMPP connectivity, billing, and developer tools.

SMPP
Stable

SMPP API

High-throughput SMPP v3.4 for carriers and aggregators.

View docs
Webhook
Stable

Webhooks

Real-time signed event delivery for every channel.

View docs
Your first API call

Same pattern for every product — copy your dashboard token and POST.

Bash
curl -X POST 'https://api.sendexa.co/v1/sms/send' \
  -H 'Content-Type: application/json' \
  -H 'Authorization: Basic YOUR_DASHBOARD_BASE64_TOKEN' \
  -d '{
    "to": "0244123456",
    "from": "MyBrand",
    "message": "Hello from Sendexa!"
  }'

Essentials

Introduction

Architecture, base URL, response shape

Authentication

Basic auth tokens and key handling

SDKs

Node, Python, PHP, Go, Java, .NET, Ruby

AI tools

MCP, Skills, and llms.txt for agents