Communication Services
Multi-Channel Messaging at Scale
Reach your users wherever they are. Our Communication APIs provide a single integration point for bulk SMS, transactional emails, WhatsApp Business messages, voice alerts, and Telegram bot messaging — all with delivery reports, templating, and DND filtering built in.
Reach your users wherever they are. Our Communication APIs provide a single integration point for bulk SMS, transactional emails, WhatsApp Business messages, voice alerts, and Telegram bot messaging — all with delivery reports, templating, and DND filtering built in. Our team helps you design request flows, error handling, reconciliation, and go-live checklists so your product ships faster with fewer production surprises.
Integration Benefits
Why product teams integrate Communication Services with Brahm Byte
One dashboard for SMS, email, WhatsApp, and voice channels
DLT template registration support for Indian SMS
Delivery reports and webhook retries for critical OTPs
Unicode and regional language templates
Pricing Overview
Indicative pricing — final quotes depend on volume and SLA
- SMS from ₹0.12–0.18/SMS
- WhatsApp session & template pricing
- Email tiers from ₹0.02/message at volume
Available APIs
Each API is production-ready, sandboxed, and comes with full documentation.
Bulk Email API
High-throughput transactional and marketing email delivery with template management, open tracking, and bounce handling.
POST /v1/comms/email/sendText SMS API
Reliable A2P SMS gateway supporting transactional, OTP, and promotional messages across all Indian operators.
POST /v1/comms/sms/sendVoice SMS API
Automated voice call blasting with text-to-speech, pre-recorded audio playback, and DTMF input capture.
POST /v1/comms/voice/blastWhatsApp Business API
Official WhatsApp Business API for sending notifications, interactive messages with buttons, and two-way customer support.
POST /v1/comms/whatsapp/sendTelegram Bot API
Managed Telegram bot infrastructure for notifications, customer alerts, and interactive command handling.
POST /v1/comms/telegram/sendDeveloper FAQ
Do you help with DLT registration?
We guide you through entity, header, and template registration on DLT platforms.
What is the OTP delivery SLA?
Transactional OTP routes target sub-10s delivery on healthy operator routes.
Can we send promotional SMS?
Yes on promotional routes with DLT templates and DND scrubbing.
Start Building in Minutes
Get API Keys
Create your BrahmByte developer account and generate your API key from the dashboard in under 2 minutes.
Explore Docs
Use our interactive sandbox to test every endpoint with real payloads before writing a single line of production code.
Integrate & Go Live
Follow our step-by-step integration guide, get your implementation reviewed, and go live with full support.
Ready to integrate Communication Services?
Talk to our API team, get sandbox credentials, and ship your integration in days — not weeks.