Streamline your messaging campaigns with our efficient Bulk SMS Service. Reach your customers instantly and effectively with direct telco operator routes, high delivery speed, and developer-friendly REST APIs.
Everything you need to deliver OTPs, transactional notifications, and marketing broadcasts.
Easily integrate into your website, ERP, or POS software using our robust REST API. Complete sample code in PHP, Python, Node.js, and cURL.
Dynamic routing algorithms automatically select the best path with the lowest latency to guarantee 99.9% successful delivery within 3 seconds.
Full support for multi-part long SMS messages and Bangla Unicode characters without encoding errors or broken characters.
Choose the perfect SMS plan that fits your business scale with zero hidden setup fees.
Direct interconnection with all tier-1 mobile network operators across Bangladesh.
Common questions about SMS broadcasting, masking approval, and API integration.
Bulk SMS provides an astounding 98% open rate, with 90% of messages read within 3 minutes of delivery. It is the most direct and cost-effective channel for OTP verifications, billing notices, delivery tracking, and targeted seasonal promotional broadcasts.
According to BTRC regulations, Masking approval requires submitting your Trade License, TIN Certificate, and an official Letter of Authorization on company letterhead. Our team assists with complete operator forwarding and approval within 2 to 3 working days.
No! Purchased bulk SMS credits at Wolast Technologies have unlimited lifetime validity. You can use your balance at your own pace without risk of credit forfeiture.
Yes. Our gateway natively supports Unicode UTF-8 encoding. Standard English SMS consists of 160 characters per count, and Bangla Unicode SMS consists of 70 characters per count.