Prerequisites for using this feature
Plan: Available on Free plan, and Pro / Business plans registered via Web or App
Role: Available to all roles (requires personal LINE authorization)
Platform: LINE (authorization via Notta Brain Web)
Notes:
- Each question asked via LINE consumes 100 AI Credits, the same as a Chat Q&A on the web.
- Notta LINE Official Account answers based on your own Notta Brain knowledge base (meeting transcripts and uploaded files). It cannot access other users' data.
- One Notta account can only be linked to one LINE account, and vice versa.
- Notta LINE Official Account replies with text only and does not remember previous messages (each question is handled independently).
π― What is Notta LINE Official Account?
Add Notta LINE Official Account as a friend to chat with Notta directly within your LINE chat (talk) screen. Just ask questions in your LINE chat and get AI answers based on your meeting recordings and uploaded files β without leaving LINE.
Messages automatically reply in the same language as your prompt (defaults to Japanese if the language cannot be detected).
π» How to Connect
Connect LINE (from Notta Brain web)
- Go to Notta Brain (app.notta.ai/brain).
- Navigate to Settings > Integrations & Apps.
- In the left sidebar, under "Use Brain in your Apps", click Apps.
- Select the Workspace you want to use with LINE from the "Select Workspace" dropdown.
- Find the LINE card and click Connect.
- π‘ The card description reads: "Receive Notta Brain results and notifications directly in your LINE chat with Notta."
- Scan the displayed QR code or open the Add friend link to add Notta on LINE.
- After adding Notta as a friend, the web page automatically updates to the connected state and shows your LINE account name.
- π‘ Tip: If the status doesn't update, click "Already added? Tap to refresh status".
Connect Notta LINE Official Account (from LINE)
- Search for Notta in LINE or scan the QR code, then add it as a friend.
- To add Notta via LINE ID search, simply enter
@notta(including the @) and search.
- To add Notta via LINE ID search, simply enter
- Notta sends a welcome message with a Connect now button.
- Tap the button and complete authorization (or sign up if you're a new user).
- Notta sends a confirmation message β you're ready to start asking questions.
β οΈ The connection link contains a one-time token valid for 30 minutes. If it expires, send any message to Notta to receive a new welcome message with a fresh link.
Disconnect LINE
- Go to Notta Brain (app.notta.ai/brain).
- Navigate to Settings > Integrations & Apps.
- Find the LINE card (showing your connected account) and click Disconnect.
- A confirmation dialog appears. Confirm to disconnect.
β οΈ After disconnecting, sending a message to Notta will only return a prompt to reconnect β no AI answer is generated.
π€ Use Notta on LINE
Ask a Question
- Open your private chat with Notta in LINE.
- Type your question and send it.
- Example: "What decisions were made in last week's product meeting?"
- Notta shows a loading animation while it thinks (up to 60 seconds).
- The answer is sent as a text message. 100 AI Credits are deducted on a successful reply.
Long Answers
- Replies up to 5,000 characters are sent as a single message.
- Replies of 5,001β25,000 characters are split into up to 5 sequential messages.
- Replies over 25,000 characters send the first 4 messages plus a final message with a "View full answer" link to Notta Brain web.
What Notta Cannot Do on LINE
- Access other users' content (only your own knowledge base).
- Remember previous questions (no multi-turn conversation in this version).
- Send rich text or card formats (text replies only).
βοΈ Settings & Options
- Connect / Disconnect: Managed in Settings β Integrations on Notta Brain web.
- One account, one connection: Each Notta account links to one LINE account, and each LINE account links to one Notta account.
- Credits consumption: 100 Credits per question (shared with your web Chat Q&A balance).
- Knowledge scope: accesses only your own meeting recordings and uploaded files.
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Reply language: Automatically matches your message language; defaults to Japanese.
β FAQs
Connect your LINE account either from Notta Brain web (Settings > Integrations & Apps) or by adding Notta as a friend in LINE and tapping the connect button in the welcome message.
100 Credits per question, the same as a Chat Q&A on Notta Brain web. The balance is shared with your web usage.
Notta replies with a message showing your next quota reset date and an upgrade link. No AI call is triggered and no Credits are deducted.
Notta replies with a prompt to connect your account first. No AI call is triggered and no Credits are consumed.
Notta LINE Official Account will reply that your knowledge base has no content yet and ask you to add recordings or files in Notta Brain first.
No. Each question is handled independently in this version.
Notta detects your message language and replies in the same language. If it can't detect the language, it defaults to Japanese.
π οΈ Troubleshooting
If you encounter an issue or receive an error message, please refer to the following solutions.
- "You don't have enough AI credits to continue. Add credits or activate your plan." β Your personal AI credits are used up. Add credits or activate your plan.
- "This workspace doesn't have enough AI credits to complete this task. Ask the workspace owner or admin to add credits." β The workspace's shared credit pool is exhausted. Contact your owner or admin.
- "You don't have enough personal AI credits to complete this task. Ask the workspace owner or admin to increase your limit." β Your individual limit is reached. Ask your owner or admin to raise it.
- "AI credits haven't been assigned to your account yet. Ask the workspace owner or admin to set your limit." β No credits allocated to you yet. Ask your owner or admin to set a limit.
- "You don't have enough remaining uses for this feature." β The allowance for this feature is used up. Wait for reset or upgrade your plan.
- "You've reached the session limit. Close an existing session or try again later." β Too many sessions open. Close one and retry.
- "You've reached today's session limit. Please try again tomorrow." β Daily session limit reached. Try again tomorrow.
- "Requests are temporarily high. Please try again in a few minutes." β High demand right now. Wait a few minutes and retry.
- "This task is taking longer than expected. Please try again later." β The task is still processing. Wait and retry.
- "Something went wrong while processing your request. Please try again later." β An unexpected error occurred. Retry later; contact support if it persists.
- "Your prompt is too long. Shorten it and try again." β Your input exceeds the maximum length. Shorten it.
- "This PDF can't be processed. Please upload another file." β The PDF couldn't be read. Upload a different file.
- "Network connection failed. Check your connection and try again." β Check your internet connection and retry.
- "This request couldn't be completed for security reasons. Please try again later." β Blocked by a security filter. Retry later; contact support if it persists.
- No qualifying Notta workspace exists β Possible reasons include: custom paid plans introduced directly via our sales team, external integrations disabled in workspace settings, or AI features being restricted. Workspaces that do not meet the criteria will not appear in the integration list. If you would like to experience this feature, please register a new free Notta account.
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This LINE account is already connected to another Notta account β Recommended solutions:
- Disconnect the LINE integration on the Notta web settings page.
- Go to the LINE app's Settings > Account > Authorized Apps, and disconnect the Notta app integration.
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If you want to switch the account you are using β Recommended solutions:
- Disconnect the LINE integration on Notta web settings first, then reconnect with the desired account.
- Go to the LINE app's Settings > Account > Authorized Apps, and disconnect the Notta app integration.
- Logged in but no workspace selected β After sending a question, you will be prompted with a message to connect to Notta Brain. Tap the link and select a workspace to activate the feature.
- Free trial (not logged in) account quota exhausted β You can register a new Notta account (for free) to continue asking questions.
- Notta Brain account quota exhausted β Please upgrade your plan to continue asking questions.
- The message sent is not in a supported format β Certain file formats or complex message types are not supported yet. Please try asking again using plain text or other supported formats. If you have any questions, feel free to contact support.