This file type is not supported. Use a PDF, PNG, JPEG, TIFF or WebP file.
Convert the file, for example export a photo as JPEG.
The OCR server is busy. Try this file again in a minute.
Retry in a minute.
Reading this file took too long. Try a smaller file or fewer pages.
Split the file.
Rivul AI could not read this file. It may be damaged or password-protected.
Remove the password, or save a new copy of the file.
This upload was already read. Add the file again.
Each upload is read once. Add the file again.
Document OCR messages.
Transcribe
Transcribe messages.
Message or symptom
What it means and what to do
This file is larger than 500 MB.
Trim the recording, or export the audio only.
This file type is not supported. Use MP3, WAV, M4A, FLAC, OGG, WebM, MP4 or MOV.
Convert the recording to one of these formats.
You have used today's 2 hours of transcription. Try again tomorrow.
The daily allowance of audio is used. It resets at 00:00 UTC.
No speech was found in this file.
Check that the file has an audio track with speech, and that the recording was not muted.
The speech server is busy. Try this file again in a few minutes.
Retry in a few minutes. Keep the page open while files are queued.
Transcription did not finish. Try this file again.
Add the file again.
Transcribe messages.
Listen
Listen messages.
Message or symptom
What it means and what to do
You have used today's Rivul voice allowance. Use the browser voice until tomorrow.
Switch to the browser voice, which has no limit.
This browser has no on-device English voice. Use the Rivul voice.
Switch to the Rivul voice, or install an English voice in your system settings.
The Rivul voice is busy. Try again in a minute, or use the browser voice.
Retry, or use the browser voice.
Playback stops when an iPhone or iPad screen locks
Safari pauses the browser voice in the background. Return to the page and Listen resumes.
Listen messages.
Rivul MCP and the REST API
Ask your AI client to call usage_status first: it never counts toward usage, so it tells a revoked key from a rate limit.
Rivul MCP and REST messages.
Message or symptom
What it means and what to do
HTTP 401 Invalid Rivul Atlas key
The key is revoked or mistyped. Create a new key in Rivul MCP → Access keys, or sign in with Rivul again.
HTTP 403 This Atlas key cannot access that product or scope
The key is the wrong kind: use an API key for REST and an MCP key for MCP.
Atlas MCP rate limit exceeded. Retry shortly.
A fair-use window was reached. Wait for the retry-after time. A second key does not raise the limit.
Atlas fair-use daily limit reached for MCP searches. It resets at 00:00 UTC.
Wait for the UTC day to reset.
The Rivul MCP tools do not appear in the client
Restart the client, check that the Rivul MCP server is enabled in its MCP settings, and complete the browser sign-in. Each client guide has its own steps.
Revoke an existing API key before creating more than 1.
A workspace holds one active key of each kind. Revoke the old key first.
Your browser blocked the Google window. Allow pop-ups for this site and try again.
Allow pop-ups for rivul.ai, then retry.
Google Drive could not load. Check your connection or content blockers and try again.
Pause the content blocker for rivul.ai, or allow Google's cookies when the file picker asks.
Google Drive access was not granted. / Google Drive access expired. Try again.
Connect again and approve access to the files you pick.
Your PDF storage is full.
Delete a stored PDF first; you can store 5 at a time.
Google Drive messages.
Workspaces, papers and agents
Account and agent messages.
Message or symptom
What it means and what to do
Keep up to 2 workspaces. Delete one before adding another.
Delete a workspace in Settings → Danger zone.
You can keep up to 20 agents. Delete one to create another.
Delete an agent you no longer use.
Research agents are temporarily unavailable. Your agents and past runs are kept.
Agents are paused for everyone. Nothing is lost; try again later.
The AI request limit was reached before the report could be written. Try again in a few minutes.
The run used its fair-use window. Run it again in a few minutes.
Account and agent messages.
Still stuck
Use Share Feedback in the app, or the contact form at rivul.ai/contact. Describe what you did and the exact message, and include a request ID if one was shown. Never include passwords, API keys or session cookies. Messages are read; there is no guaranteed response.