Error help
Error codes
Find a plain-language explanation
If attn.ca shows an error code, these pages explain what it means, why it happened, and what you can try next.
Most people only need the codes listed here. Uncommon technical codes have a shorter fallback page when they are real attn.ca errors.
7 errors
Account and sign-in
Please sign in first
auth_required
The action needs a signed-in account or API authorization before it can continue.
This request needs authorization
unauthorized
The site could not find a valid account session or API token for this request.
The API token is not valid
invalid_token
An API token was sent, but it could not be accepted for this site.
The API sign-in proof could not be verified
invalid_dpop_proof
The site could not verify the extra sender proof attached to an API request.
This token cannot do that
insufficient_scope
You are signed in, but the token or session does not include permission for this action.
Use the signed-in dashboard for this action
forbidden
The request is authenticated, but this attn action is only allowed from the right account surface.
Open attn.ca directly and try again
bad_origin
attn blocked a browser request because it did not come from the attn.ca origin.
5 errors
Sending a ping
This account cannot send notifications
account_banned
The signed-in account is restricted from sending attn notifications right now.
Slow down notification sends
rate_limited
Your account sent too many attn notifications in a short time.
Add a title or body
empty_notification
attn needs at least a title or a body before it can send a notification.
Pair and verify a destination first
no_verified_channels
Your account has no verified Telegram chat or browser destination to receive this ping.
Daily notification quota reached
daily_quota_exceeded
This account has used its daily attn notification allowance.
3 errors
API keys
Choose an attn API key scope
invalid_scope
The requested API key scopes are not valid for attn.ca.
Revoke an old attn key first
too_many_keys
Your account has reached the API key limit for attn.ca.
Key management is temporarily unavailable
unavailable
attn could not reach a required account or key-management service.
4 errors
Request format and limits
The request could not be read
invalid_json
The site could not understand the JSON sent by the browser, app, or tool.
The request is missing required details
invalid_request
The site received a request, but some required fields were missing or invalid.
The upload was too large
request_too_large
The request was bigger than this site can accept in one attempt.
That action is not available here
method_not_allowed
The request used a method this route does not accept.
1 error
Finding content
1 error
Service availability
4 errors
Destinations & pairing
Too many destinations are paired
channel_limit
Your account has reached the limit for paired Telegram and browser destinations.
Telegram pairing is temporarily unavailable
telegram_not_configured
attn cannot start or send Telegram messages because the Telegram bot is not available.
Browser push subscription was not accepted
invalid_subscription
The browser did not send a usable Web Push subscription to attn.
Browser notifications are temporarily unavailable
webpush_not_configured
attn cannot register or deliver browser push notifications until Web Push is configured.
1 error