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Limits & retention changelog

Changes to Limits & retention: new features, improvements and fixes.

September 2026

  1. Changed

    Subscriber and webhook limits per plan

    AudiencesWebhooksLimits & retention

    Limit Pay as you go Pro Business
    Subscribers per audience 10,000 50,000 250,000
    Webhook endpoints 3 10 100
    Webhook payload filters Not available Available Available

    Custom plans have no subscriber limit. The subscriber limit applies when you add subscribers, import contacts, use an audience’s subscribe URL and run automations. Creating a webhook above your limit returns 422, and the Audiences and Webhooks pages show how much of each limit you use.

    On Pay as you go, setting a payload filter returns 403 with plan_required, and existing filters are ignored. See Limits.

  2. Changed

    Automatic sending limit increases on Pro and Business

    Limits & retentionDeliverability

    Emailit raises the per-second and daily sending limits of healthy Pro and Business workspaces automatically, at most once every 7 days.

    On Pay as you go, your limits stay the same until you ask for more with Request Increase on the dashboard’s Sending Limits card. See Limits.

October 2025

  1. Changed

    Per-second and daily rate limits

    Limits & retentionEmail APISMTP relay

    Requests over the limit are rejected instead of queued, so configure your client to send at most 2 emails per second or to retry rejected sends. The change was rolled out to workspaces gradually.

    See Rate limits.

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