Viber API

Steps

1. Login to your account using your mobile number Link
2. Create a bot account
3. After which, you will get a Private Token
4. Go to your Viber on your mobile (the account where you created the bot)
5. Verify your mail ID and have a profile picture in your account.
6. More -> Settings -> My Bots -> Select your bot which you created -> Click publish.
7. More -> Settings -> My Bots -> Select your bot which you created -> Message -> Select Viber Chat API.
8. Set Webhook Link

curl --location --request POST 'https://chatapi.viber.com/pa/set_webhook' \
--header 'X-Viber-Auth-Token: VIBER_ACCESS_TOKEN' \
--header 'Content-Type: application/json' \
--data-raw '{
   "url":"WEBHOOK_URL"
}'

Only when you set a webhook link, your bot will get activated.

Points to Note:

1. Only when a user sends message to a bot, you will be able to reply.
2. You can send message to a user only using user's id (not using user's mobile number)

Changes you should make

1. VIBER_ACCESS_TOKEN - From Viber Admin Panel
2. USER'S ID - Received From Webhook

Send Text Message

curl --location --request POST 'https://chatapi.viber.com/pa/send_message' \
--header 'X-Viber-Auth-Token: VIBER_ACCESS_TOKEN' \
--header 'Content-Type: application/json' \
--data-raw '{
   "receiver":"USERS_ID",
   "type":"text",
   "text":"Hello"
}'

Send Picture

curl --location --request POST 'https://chatapi.viber.com/pa/send_message' \
--header 'X-Viber-Auth-Token: VIBER_ACCESS_TOKEN' \
--header 'Content-Type: application/json' \
--data-raw '{
   "receiver":"USERS_ID",
   "type":"picture",
   "text":"Photo description",
   "media":"http://www.images.com/img.jpg",
   "thumbnail":"http://www.images.com/thumb.jpg"
}'

Send Video

curl --location --request POST 'https://chatapi.viber.com/pa/send_message' \
--header 'X-Viber-Auth-Token: VIBER_ACCESS_TOKEN' \
--header 'Content-Type: application/json' \
--data-raw '{
   "receiver":"USERS_ID",
   "type":"video",
   "media":"http://www.images.com/video.mp4",
   "thumbnail":"http://www.images.com/thumb.jpg",
   "size":10000
}'

Send File

curl --location --request POST 'https://chatapi.viber.com/pa/send_message' \
--header 'X-Viber-Auth-Token: VIBER_ACCESS_TOKEN' \
--header 'Content-Type: application/json' \
--data-raw '{
   "receiver":"USERS_ID",
   "type":"file",
   "media":"http://www.images.com/file.doc",
   "size":10000,
   "file_name":"name_of_file.doc"
}'

Send Contact

curl --location --request POST 'https://chatapi.viber.com/pa/send_message' \
--header 'X-Viber-Auth-Token: VIBER_ACCESS_TOKEN' \
--header 'Content-Type: application/json' \
--data-raw '{
   "receiver":"USERS_ID",
   "type":"contact",
   "contact":{
      "name":"Itamar",
      "phone_number":"+91965XXXXXX"
   }
}'