Instant send
Fire-and-forget SMS for OTPs, alerts, and transactional flows. Sub-second queueing, real-time delivery receipts.
Developer documentation
SMS that ships in one POST
Lisoloo is the bulk-SMS API behind the Bloonio platform. Send a single message or schedule a year of weekly reminders — same endpoint, same authentication, same response envelope.
Scheduled send
Queue messages for specific dates and times — appointment reminders, launch announcements, payroll notices.
Recurring send
Daily, weekly, or monthly recurrence with start/end dates and multiple send times per day.
Webhooks
Receive delivery receipts on your own server. HTTP Basic auth, JSON payload, retries with exponential backoff.