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Messaging
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Knowledge Base Articles
SMS
(94 Articles)
Does it cost more to send a text to another country?
Information to include when reporting issues to Sinch Support
A2P Messaging in the United States & Canada - Disallowed Content
How to register your alphanumeric sender ID
How do I assign a callback URL to an SMS service plan?
Conversation API
(60 Articles)
How to add a webhook to a Conversation API app
How do I create new Access Keys for use with the Conversation API?
How to create a Conversation API App?
What is the value in prioritizing Conversation API app channels?
How to configure a new channel in your Conversation API App
WhatsApp
(84 Articles)
Are there any limits to the number of messages you can send using the WhatsApp Business API?
Sinch WhatsApp Business API Pricing - Frequently Asked Questions
What is a message template and why are they necessary?
How do I register my WhatsApp Business Account (WABA) with Sinch?
What size and type of profile photos can you use for your WhatsApp Business API account?
RCS
(48 Articles)
What is a Sender Identity or Verified Sender?
What is RCS?
Learn how to get started with RCS at Sinch
How do I send a Rich Business Message using RCS?
Who can use RCS?
MMS
(22 Articles)
What is the maximum size of MMS message that you can send?
How secure are MMS messages?
What file types are supported by MMS?
What Content types or Data types does MMS support?
MMS Best Practices for Sending an Animated Gif Images
KakaoTalk
(38 Articles)
What is AlimTalk? (알림톡)
How can I get started using KakaoTalk?
Why am I unable to send FriendTalk message to a user?
What is FriendTalk? (친구톡 ChinguTalk)
What is ConsultationTalk/KakaoTalk Chat? (상담톡 SangdamTalk)
Instagram
(20 Articles)
Troubleshooting the integration between your Instagram business account and Conversation API app
How do I connect my Instagram account to a Conversation API app?
How many followers must a business have in order to use the Instagram service?
What features does the Sinch Instagram service support?
What is the Instagram for Business API?
Telegram
(12 Articles)
How can you stop receiving messages from the Telegram Bot?
How do you configure a Telegram Bot?
Can I send a message to Telegram user with their Telegram ID or phone number?
How do you know if your Telegram messages have been successfully delivered?
What is a Telegram bot?
LINE
(23 Articles)
How do you create a verified LINE Official account?
What is a LINE Official account?
What is the cost of sending LINE messages?
What is a LINE official Account Manager?
Where is LINE popular?
WeChat
(14 Articles)
How do you create a verified WeChat Official Account?
How to create a WeChat developer channel for testing?
What is a WeChat Official Account?
Why do I have to add IP whitelist to my WeChat account?
What is WeChat?
Viber
(7 Articles)
What variations of API's are available for Viber?
What is Viber?
Which Industry Verticals are not accepted for Viber Business Messaging accounts?
What type of content is prohibited on Viber Business Messaging?
What type of consent is required before you can use Viber Business Messages?