Bulk SMS Service

Bulk SMS Service

Send Bulk SMS messages through our platform, integrations, or API.
Bulk SMS is a service where you are able to massively send text messages as a large number of contacts; staff or customers in one go to deliver the content of your choice in a few seconds.

Get free test credits • No credit card required

Bulk SMS Features

Entrega premiada

We only use direct connections. The highest quality SMS delivery in the market.

Direct to mobiles

Releans covers all networks worldwide. Connected directly to over +1,200 carriers

Envie para milhões em segundos

Send out messages to a large number of customers from your company name

Bulk SMS Campaigns

Upload your customers list (.xlsx) segmentation for targeted SMS offers and discounts for holidays.

You can segment your audience according to their age, interests, gender, mobile network code, and more. The more segments you have, the more relevant your messages will be.

Enviar mensagem SMS

No duplicates

Import your excel sheets and we'll remove all the duplicates

Validate Number

Before we proceed your numbers, we make sure its correct and valid

Auto Selection

From the mobile number we auto select network name and country

Loyal Customers
Mobile Numbers List

Upload Contacts

Unlimited number of lists or list size, Upload and send to large volumes

Created with sketchtool.

As empresas confiam à Releans os seus dados. Usamos fornecedores que são compatíveis com a ISO 27001.

Created with sketchtool.

Os funcionários da Releans são examinados quanto ao conhecimento, experiência e integridade.

As suas listas de clientes são seguras e protegidas

Não comprometemos a protecção dos dados. A Releans investe continuamente em proteções e precauções em toda a nossa infraestrutura e políticas da empresa.

Bulk SMS Integration

Send messages to millions from your own system. Start sending messages within seconds through an intuitive integrations..

import http.client
import mimetypes
conn = http.client.HTTPSConnection("api.releans.com")
payload = 'sender=SenderName&mobile=+14155550101&content=Hello'
headers = {
  'Authorization': 'Bearer Your_API_Key'
conn.request("POST", "/v2/message", payload, headers)
res = conn.getresponse()
data = res.read()

100 TPS

Messages per second


SMPP Connections


+8 Languages Supported


Discounts on volumes

Isolated infrastructure

Releans infrastructure for sending messages runs in separate server infrastructure. Our team includes world-class experts, all focused on strengthening our infrastructure.

  • Perfect for resellers

  • High-volumes senders

SMPP Server
99.9 %
15 m
SMS Daily
24/7 Support
Remarkable customer experience. 24/7 support for you and your team, with local presence in 5 countries.

95 K


50 +


98 %


Releans Customer Service

Contact sales to discuss our products and solutions.

  • Encontre a solução certa para si
  • Explicar as opções de preços
  • Conecte-se com recursos úteis