LINE
Deploy an AI agent to LINE.
Publish to LINE with the Total plan and above.
Requires a LINE account with access to the LINE Developers Console.
Publishing to LINE lets your audience interact with the AI agent — and later a live agent — in a LINE thread.
In the agent's Publish tab, create a LINE channel or select an existing one to open its settings.
Basic settings
Name
Internal name distinguishing this channel from other LINE instances.
Default chat language
Set from the agent's Agent settings.
Icon
The channel's avatar, seen by live agents in the Inbox.
Select Save to confirm edits.
Connect to LINE
Three values are required from the LINE Developers Console: Channel ID, Channel secret, and Access token. You'll also integrate a Proto webhook.
Log in to the LINE Developers Console with your LINE account.
On first login, register as a developer.
Create a new provider or select an existing one — this can't be changed later.
Create a channel and confirm.
In the channel's basic settings, copy the Channel ID and Channel Secret into Proto's LINE configuration.
In the LINE Developers Console, go to the channel's Messaging API tab.
Under Webhook, select Edit and paste in Proto's Webhook URL.
You'll be redirected to LINE Official Account Manager's Response settings. Set:
Chat
Enabled
Greeting message
Disabled
Webhooks
Enabled
Response Hours
Enabled
Response Method
Manual Chat
Voice messages
LINE supports voice via ASR (speech-to-text) and TTS (text-to-speech).
Inbound voice
Voice messages are automatically transcribed and processed as standard text input.
Outbound voice
AI agent text responses can be delivered as audio using TTS.
Voice capabilities require ASR and TTS to be enabled at the workspace level.
Using LINE
In the LINE Developers Console, go to the channel's Messaging API tab and scan the QR code to add the AI agent as a friend — share the same QR code with your audience.
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