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Limits and troubleshooting

Fair-use limits, and what to do when a request fails. · 3 min read

Fair-use limits

Limit Free plan
Requests sent per day 5,000 per person
Sends per minute 60 per person
History kept 30 days
Response size Up to 10 MB
Requests per import 5,000

Common problems

"Could not connect" for localhost or 192.168.x.x Requests from the browser go out from our server, so private addresses point to our server, not your machine. Use the desktop app, or keep it open so the browser can use its local agent.

A variable is red in the URL It is not defined in Globals, the active environment or your current values. Check the spelling, or pick the right environment.

401 or 403 from the API Check the Authorization section and the active environment. For signed auth, click Preview signature and compare with the provider's docs.

"Slow down a little" You reached 60 sends in a minute. Wait a moment and send again.

I did not get the verification email Check spam, then use Resend on the sign-in page.

Still stuck? Contact us.

Did this help? If not, ask us.

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