QuickAuth Transactional SMS API

6.2easy start · #42 of 77
in Transactional SMS Software

Free to practise onnot on record
Free trialnot on record
Well documentedyes
Runs where you workyes

Runs on Android, api, iOS, Web.

QuickAuth Transactional SMS API is ranked #42 of 77 in transactional SMS software on The Geeks Club. It runs on Android, API, iOS, Web.

QuickAuth Transactional SMS API plans and pricing

All plans

Custom volume pricing Not published Quoted within 24 hours based on monthly volume, channel mix, template categorization, and fallback patterns Volume-based pricing · DLT registration included · authentication and bulk WhatsApp combined in one INR agreement quickauth.in · 4 Oct 2026

Compared on transactional SMS software

SMS API: Yes
Delivery status: Yes
Webhooks: Yes

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The record

Product: QuickAuth provides one API for authentication, WhatsApp, SMS, RCS, and email messaging.
OTP routing: OTP can be sent over WhatsApp first with DLT-registered SMS as an automatic fallback when WhatsApp does not deliver.
OTP autofill: Its SDK supports OTP auto-read or autofill on Android and iOS.
API and SDKs: The HTTP API supports webhooks, server-side retries, and fallback, with SDKs for web, React Native, iOS, Android, and Flutter.
Bulk messaging: Bulk WhatsApp campaigns can use a pool of WABAs, with sender and template health rechecked between waves.
Campaign analytics: The platform says it tracks WhatsApp template button taps per recipient and campaign and offers audience segmentation.
DLT setup: QuickAuth says its team handles DLT registration, sender IDs, and template approvals, usually within 24 hours, at no extra charge.
Fraud controls: The service describes suspicious-prefix scoring, velocity and ratio heuristics, per-IP and per-device quotas, and optional device fingerprinting to limit SMS-pumping fraud.
Data and compliance: QuickAuth says data is stored in Mumbai, phone numbers are hashed, OTPs are deleted five minutes after verification, and the service is SOC 2 Type II and aligned with India's DPDP Act 2023.
Support: The site offers human onboarding and says its team typically starts DLT, WABA, and Meta verification setup within a few hours, with a response within 24 hours.
Pricing limits: The company does not publish a fixed price list; quotes depend on monthly volume, channel mix, template categories, and fallback patterns.
Free tier: The site states that a free tier is included and no credit card is required.

Where it ranks on The Geeks Club

Best Transactional SMS Software in 2026#42 of 77

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Sources

quickauth.in· checked 4 Oct 2026