Welcome
Login
Sign up
Home
Solutions
Login
Enter your search term here...
Search
Knowledge base
SMS.to - Getting Started
First Steps
7
Getting Started with SMS.to
SMS.to Sign-Up Process
SMS.to Support Portal and Trouble Ticket Management
What Kind of SMS Can I Send in the Platform
SMS.to Pricing and Discounts
See all 7 articles
Sending your First Messages and Campaigns
7
How to Send SMS to a Single Number
How to Send SMS to a List of Contacts
How to Use a Template
How to Use SMS.to's Opt-Out Feature
How to Use Shortlinks
See all 7 articles
Customer Account Management
6
Account Creation and Verification
Forgotten Password and Account Recovery
How to Change my Account Password
How to Delete my SMS.to Account
How to Unsubscribe from SMS.to's Marketing Emails
See all 6 articles
FAQ - Frequently Asked Questions
15
How Many Characters Can I Send per SMS
Long Codes vs. Short Codes
How to Check SMS Logs and Status
How Many Messages Can be Delivered and at What Speed
How to Convert UNIX Timestamp to Date in Excel
See all 15 articles
Payments on SMS.to
8
Payment Options
Failed to Process Payment
How to Add Funds and Make a Payment
Can I Request for Refund
Low Balance Notifications
See all 8 articles
International Restrictions on Sender ID and SMS Sending in General
2
International SMS Sender ID Regulations and Requirements (List of Countries)
Why Do I Have to Register a Sender ID?
SMS.to Integrations with Third Party Software
Existing Integrations
7
ManyChat
C# (C Sharp) Sample Code - API
Visual Basic.NET/VB.NET Sample Code - API
Email to SMS - Forward Email as SMS to your Mobile Number
RapidAPI
See all 7 articles
SMS.to Troubleshooting and Delivery
Delivery Issues
5
Invalid Numbers and Rejected Messages
My Messages are not Delivered and How to Escalate to SMS.to Support
Testing SMS Delivery
My Messages are Delivered with a Delay
Delivery Quota and Measuring Quality of Routes
Troubleshooting Guides
4
Do you Charge for Non-Delivered SMS?
How to Check Logs on SMS.to and Find the Message ID
Clearing the Cache from your Browser
Clearing the Cache with a Hard Reset
SMS.to - Specific Features and Settings
Sending Process Explained
2
Sending Process in Detail and Measuring Sending Speed
Invalid and Inactive Phone Numbers
Other Features
12
Default Prefix
Restricting your Account to Prevent Messages Going Out Towards Specific Countries
Affiliate / Refer a Friend - Reward Scheme
Renting Numbers
How to Enable Transcoding
See all 12 articles
Contacts, Lists and Unsubscribing
9
General Information
Importing Contacts
Opt-Out and Opt-In: Subscribe or Unsubscribe Contacts
How to Create a Contact
Sending to Contact Lists
See all 9 articles
Number Lookup and HLR
3
How to Use HLR Lookup for Number Verification
Contact List Cleaning via HLR reports
HLR Strategy Suggestion to Eliminate Inactive Devices from your Contacts
SMS.to Technical Documentation and API
SMS.to API
4
SMS API
API Restrictions, Rules and Responses
Bulk SMS and Webhooks
Secure API Keys
Webhooks and Callbacks
5
What are Webhooks/Callbacks?
Outbound Message Status Callbacks/Webhooks
Inbound Message Status Callbacks/Webhooks
Opt-Out Callbacks/Webhooks
Secure Webhooks and Callbacks
SMSto Maintenance & Status
1
SMS.to Status page
