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ZapSMTP / Docs / Logs & usage

Retrieve usage

GET/v1/usage

This month’s sending against your plan: emails sent, included volume, limit, overage and, on the Free plan, today’s count.

Requires a full-access key.

limit is null on paid plans without a spending cap: email keeps flowing and extra volume is billed. The Free plan adds daily_limit and sent_today.

GET/v1/usage
curl 'https://zapsmtp.xyz/v1/usage' \
  -H "Authorization: Bearer $ZAP_API_KEY"
Set ZAP_API_KEY in your environment.
Response 200 OK
{
  "object": "usage",
  "month": "2026-10",
  "sent": 52310,
  "included": 50000,
  "limit": null,
  "overage_emails": 2310,
  "overage_cents": 196,
  "plan": {
    "id": "pro_50k",
    "name": "Pro 50k",
    "retention_days": 30
  }
}