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API Overview
Which API Should I Use?
Authentication
Status Codes
Webhooks
Rate Limiting
Timestamps
Pagination
Postman
Using JSON and XML
Error Registry
Transmit SMS API
SMS
Send SMS
post
Cancel SMS
post
Format Number
post
Get Responses by MessageID, Keyword or Mobile
post
Get Responses by Time Frame
get
Contacts & Lists
Bulk Add Contacts from CSV File
post
Add List
post
Add Field to List
post
Remove List
post
Add Contact to List
post
Update Contact
post
Remove Contact
post
Opt Out/Unsubscribe Contact
post
Check Progress Of Import
post
Reporting
Get Message/Campaign Information
post
Get SMS Delivery Status
post
Get SMS Sent Count
post
Get Activity Report
post
Get SMS Sent to Account
get
Get Message/Campaign Report
post
Get Message/Campaign Recipients
post
Get Message Report
post
Get Information About A List
post
Get Information About All Lists
get
Get Contact Information
post
Numbers
Add Dedicated Virtual Number
post
Get Numbers
get
Get Number Information
post
Edit Number Options
post
Email SMS
Add Email
post
Delete Email
post
Keywords
Add Keyword
post
Edit Keyword
post
Get Keywords
post
Account
Get Balance
get
Transmit Message API
SMS
Get SMS
get
List SMS
get
Send SMS
post
MMS
About MMS
Send MMS
post
Get MMS
get
Webhook
About Webhooks
Create Webhook
post
Retrieve all webhooks
get
Get a webhook by ID
get
Update Webhook
put
Delete Webhook
del
WhatsApp
Send WhatsApp message.
post
Get WhatsApp message.
get
RCS
Send RCS message
post
Get RCS message
get
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