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The short answer: statistics show your sends by status and by day, with three rates: delivery, bounce and complaint. You see them under Statistics on the Transactional e-mail page in Meu Interweb, or with GET /v1/email/stats. By default they cover the last 30 days; the period can be up to 366 days.
What each number means
| Field | What it says |
| messages | How many e-mails you asked to send |
| recipients | How many recipients, counting to, cc and bcc |
| credits_spent | Credits used in the period |
| by_status | How many ended in each status: delivered, bounced, complained, sent, failed |
| delivery_rate | The percentage of recipients whose e-mail was delivered |
| bounce_rate | The percentage of recipients that bounced |
| complaint_rate | The percentage of recipients that marked it as spam |
| by_day | The same numbers, day by day |
Rates are worked out over recipients, not e-mails: an e-mail with three recipients counts three times.
Choosing the period
GET https://api.interweb.co.mz/v1/email/stats?from=2026-10-01&to=2026-10-31
Dates go as YYYY-MM-DD. A period longer than 366 days gives a validation error.
How to read the rates
| Sign | What it usually is | What to do |
| Bounces going up | Old or mistyped addresses in your system | Validate addresses at sign-up and review the suppression list |
| Complaints above zero | Someone got an e-mail they did not expect, or the message looks like advertising | Take promotions out of service e-mails and review the sender |
| Delivery dropping with no bounces | Many still at sent, waiting for the receiving side | Wait and look again; if nothing changes, open a support ticket |
| Failed | Balance, an unverified domain or delivery impossible | See each error in the log |
| Complaints are the most serious number. With a transactional e-mail, the customer asked for that message. If they mark it as spam, something is wrong: the sender is not recognised, the subject misleads, or there is advertising mixed in. |
| Check the statistics after every change: a new template, a new domain, a new sender. A bad change shows first in bounces and complaints. |
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Your rates changed and you do not know why? Open a support ticket with the period. Open a support ticket |
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