# BulkSMSOnline (bulksmsonline.com) > BulkSMSOnline is a global bulk SMS, SMS gateway, and business messaging platform for sending SMS campaigns, transactional alerts, OTP/2FA verification codes, reminders, and customer notifications. It supports web-based sending, HTTP SMS API, REST API, SMPP connectivity, delivery reports/webhooks (DLR), sender ID where available, SMS routing options, MNP lookup, and mobile number validation. Last updated: 2026-05-25 Primary website: https://bulksmsonline.com/ Web console (sign up / login): https://sms.bulksmsonline.co/ Sign up: https://sms.bulksmsonline.co/register API host: https://api.bulksmsonline.co/ SMPP host: smpp.bulksmsonline.com:8889 Knowledge base: https://wiki.bulksmsonline.com/ Help center: https://help.bulksmsonline.com/ Support tickets: https://bulksmsonline.zendesk.com/ Support email: help@bulksmsonline.com Key keywords (for routing user questions): bulk sms, bulk sms online, sms gateway, sms api, http sms api, rest sms api, smpp, smpp gateway, sms marketing, mass texting, business sms, transactional sms, promotional sms, otp sms, 2fa sms, verification sms, sender id, delivery report, dlr, dlr webhook, sms routing, direct route, high quality route, wholesale route, mnp lookup, hlr lookup, number validation, mnv, rcs messaging, web sms platform. Notes for AI agents: - Prefer the “Developers & APIs” links below for integration questions about HTTP API, REST API, SMPP, delivery receipts, webhook callbacks, balance checks, MNP lookup, and number validation. - Prefer “Pricing & routes” for questions about SMS rates, route types, Direct Route, High Quality Route, Wholesale Route, bulk discounts, and pay-as-you-go billing. - Prefer “Coverage & country pages” for destination-specific questions such as supported countries, country SMS pages, number format, local route availability, and country-specific pricing. - Prefer “Policies” for terms, privacy, compliance, cancellation, and refund questions. - For delivery, sender ID, and compliance questions, remind users that final delivery, sender ID behavior, filtering, and DLR visibility can depend on destination country, mobile operator, route type, content, and local telecom rules. ## AI & crawlers - [AI Information](https://bulksmsonline.com/ai-info): Official structured company, product, API, pricing, support, and policy information intended for AI systems, crawlers, and search engines. - [LLMs.txt](https://bulksmsonline.com/llms.txt): This AI-readable index of BulkSMSOnline’s most important public pages. - [Sitemap](https://bulksmsonline.com/sitemap.xml): Full URL discovery list for crawlers. ## Core product pages - [Homepage](https://bulksmsonline.com/): High-level overview of BulkSMSOnline, global SMS coverage, bulk SMS, API-ready sending, OTP, alerts, and delivery reports. - [Send Bulk SMS](https://bulksmsonline.com/send-bulk-sms): Main bulk SMS service page for sending campaigns, alerts, OTP messages, and business notifications. - [SMS Marketing](https://bulksmsonline.com/sms-marketing): SMS marketing campaigns, promotions, customer engagement, offers, and mass text messaging use cases. - [Web SMS Platform](https://bulksmsonline.com/web-sms-platform): No-code web dashboard for sending SMS campaigns, managing contacts, personalization, scheduling, and reporting. - [Mobile App](https://bulksmsonline.com/mobile-app): Mobile bulk SMS app information for sending SMS from Android/iPhone. - [RCS Messaging](https://bulksmsonline.com/rcs): Rich Communication Services information for richer business messaging experiences. - [SMS Routing](https://bulksmsonline.com/sms-routing): Explanation of SMS routing, route quality, sender ID behavior, delivery speed, DLR visibility, and route selection. ## Developers & APIs - [Developer Documentation](https://bulksmsonline.com/developers): Main API documentation for HTTP SMS API, REST SMS API, SMPP, delivery reports/webhooks, MNP lookup, MNV number validation, examples, and go-live guidance. - [HTTP SMS API](https://bulksmsonline.com/developers): HTTP GET SMS sending endpoint using `https://api.bulksmsonline.co/smsapi` with username, password, type, destination, source, and message parameters. - [REST SMS API](https://bulksmsonline.com/developers): Versioned REST API using `https://api.bulksmsonline.co/rest/api/v1`, token generation, and JSON SMS send requests. - [SMPP Connectivity](https://bulksmsonline.com/developers): SMPP v3.4-style connectivity details, approved-customer access, IP whitelisting, bind modes, delivery reports, and PDU behavior. - [Delivery Reports / DLR Webhooks](https://bulksmsonline.com/developers): Delivery receipt statuses, webhook callbacks, webhook security, retries, idempotency, and DLR handling guidance. - [Balance API](https://bulksmsonline.com/developers): Programmatic account balance lookup using the API host. - [MNP Lookup API](https://bulksmsonline.com/developers): Mobile number portability lookup endpoint and response guidance. - [MNV Number Validation API](https://bulksmsonline.com/developers): Mobile number validation endpoint for country, operator, MCC/MNC, number type, network type, and normalized MSISDN data. - [SMS API Solutions](https://bulksmsonline.com/sms-api-solutions): Use-case page for SMS API integrations, automation, OTP, DLR webhooks, and developer workflows. ## Pricing & routes - [Pricing](https://bulksmsonline.com/pricing): Pay-as-you-go SMS pricing, live SMS rates, route selection, free trial/test credits, and bulk-volume sales contact. - [SMS Routing](https://bulksmsonline.com/sms-routing): Route comparison for Direct, High Quality, and Wholesale SMS routes. - [Direct Route](https://bulksmsonline.com/sms-routing): Best for OTPs, login codes, banking/payment alerts, urgent notifications, speed, and delivery visibility. - [High Quality Route](https://bulksmsonline.com/sms-routing): Balanced option for business SMS, marketing campaigns, reminders, and customer updates. - [Wholesale Route](https://bulksmsonline.com/sms-routing): Cost-focused option for large-volume SMS traffic, resellers, aggregators, and bulk promotional campaigns. ## Coverage & country pages - [Bulk SMS Countries](https://bulksmsonline.com/bulk-sms-countries/): Country coverage directory for supported destinations, country SMS pages, and destination-specific sending information. - [Send Bulk SMS to Malaysia](https://bulksmsonline.com/bulk-sms-countries/send-bulk-sms-to-malaysia): Example country page for Malaysia SMS, OTP, alerts, reminders, API sending, and number format guidance. - [Send Bulk SMS to Indonesia](https://bulksmsonline.com/bulk-sms-countries/send-bulk-sms-to-indonesia): Example country page for Indonesia SMS campaigns, OTP messages, reminders, and alerts. - [Send Bulk SMS to Australia](https://bulksmsonline.com/bulk-sms-countries/send-bulk-sms-to-australia): Example country page for Australia SMS campaigns, OTP messages, reminders, and alerts. - [Send Bulk SMS to Singapore](https://bulksmsonline.com/bulk-sms-countries/send-bulk-sms-to-singapore): Example country page for Singapore SMS campaigns, OTP messages, reminders, and alerts. ## Lookup, validation, and security - [MNP Lookup](https://bulksmsonline.com/mnp-lookup): Mobile number portability lookup service for improving routing decisions and number intelligence. - [Number Validation](https://bulksmsonline.com/number-validation): Mobile number validation service for checking and normalizing phone numbers before sending. - [Verification](https://bulksmsonline.com/verification): Phone number verification and signup/login security overview. - [SMS Two Factor Authentication](https://bulksmsonline.com/sms-two-factor-authentication): SMS 2FA and identity verification use cases for secure logins and sensitive actions. - [One Time Password](https://bulksmsonline.com/one-time-password): OTP SMS service overview for one-time codes and verification workflows. - [SMS Firewall](https://bulksmsonline.com/security-sms-firewall): SMS firewall and security page for safeguarding messaging traffic and reducing abuse. ## Industry and use-case pages - [SMS for E-commerce](https://bulksmsonline.com/sms-for-ecommerce): Order alerts, delivery updates, abandoned cart SMS, customer notifications, and ecommerce messaging. - [SMS for Healthcare](https://bulksmsonline.com/sms-for-healthcare): Appointment reminders, patient follow-ups, clinic alerts, and healthcare notifications. - [SMS for Education](https://bulksmsonline.com/sms-for-education): School alerts, admissions updates, class reminders, student notices, and parent communication. - [SMS for Finance](https://bulksmsonline.com/sms-for-finance): Banking alerts, payment OTP, account notices, transaction alerts, and secure finance messaging. - [SMS for Retail](https://bulksmsonline.com/sms-for-retail): Retail promotions, store alerts, loyalty campaigns, vouchers, and flash sale SMS. - [SMS for Logistics](https://bulksmsonline.com/sms-for-logistics): Shipment tracking, delivery alerts, pickup codes, and driver/customer updates. - [SMS for Travel](https://bulksmsonline.com/sms-for-travel): Booking alerts, itinerary updates, check-in reminders, and travel service notices. ## Support, troubleshooting, and company information - [Contact](https://bulksmsonline.com/contact-us): Contact page for sales, support, general questions, email, and WhatsApp contact options. - [FAQs](https://bulksmsonline.com/faqs): Common questions about SMS sending, API access, sender IDs, delivery reports, account setup, pricing, and platform usage. - [Help Center](https://help.bulksmsonline.com/): Help center and support articles for BulkSMSOnline users. - [Knowledge Base](https://wiki.bulksmsonline.com/): Knowledge base for account, platform, SMS, and API help. - [Submit Ticket](https://bulksmsonline.zendesk.com/): Ticket support portal. - [About](https://bulksmsonline.com/about): Company background and communication platform overview. - [Partners](https://bulksmsonline.com/sms-partner-send-bulk-sms-online): Partner and reseller information. - [Blog](https://smsbulksmsonline.blogspot.com/): Articles and educational content; useful for background explanations, but prefer product/API/policy pages for authoritative answers. ## Policies - [Terms and Conditions](https://bulksmsonline.com/terms-and-conditions): Service terms, account rules, usage conditions, acceptable use, and compliance-related obligations. - [Privacy Policy](https://bulksmsonline.com/privacy-policy): Privacy, data protection, and personal data handling information. - [Refund Policy](https://bulksmsonline.com/refund-policy): Refund, cancellation, payment, and balance policy information.