email-stats

Get statistics by broadcast

Returns aggregate delivery and engagement counts grouped by broadcast for the requested period, so each broadcast's deliverability and engagement can be compared side by side. Only messages sent as part of a broadcast appear here. One-off and transactional sends are not included, so a workspace that has not sent broadcasts returns an empty list rather than an error.

Rows are ranked by the sort metric (default processed) descending and paginated with the requested limit (default 50, hard maximum 200). Rows are computed against event time (not send time), so engagement received during the period for messages sent earlier is included.

The maximum window is 365 days. Requesting a longer range returns a 422. Aggregate statistics remain available after the underlying message activity details expire. Counts and latency percentiles are approximate and may lag newly received activity; data_as_of reports refresh freshness when available. Historical results include only activity captured before those details expired.

get/v1/email/stats/broadcasts

Request

  • Base URL: https://us1.platform.bird.com
  • URL: https://us1.platform.bird.com/v1/email/stats/broadcasts
  • Auth: one of:
    • HTTP bearer
    • API key in cookie bird_session

Query parameters

starting_afterstring

Cursor from the next_cursor field of a previous list response. Returns items immediately after the cursor position in the current sort order.

ending_beforestring

Cursor from the prev_cursor or refresh_cursor field of a previous list response. Returns items immediately before the cursor position in the current sort order. prev_cursor returns the preceding page. refresh_cursor anchors at the first row of that response, which on a newest-first sort is how to fetch the items that have appeared since.

fromstring date
Example:2026-05-01

Start date (inclusive) in YYYY-MM-DD, interpreted as a calendar day in timezone (UTC when omitted). Defaults to 30 days before to when omitted.

tostring date
Example:2026-05-25

End date (inclusive) in YYYY-MM-DD, interpreted as a calendar day in timezone (UTC when omitted). Defaults to today in that timezone when omitted. Window may not exceed 365 days.

timezonestring
Example:Asia/Kathmandu

IANA timezone identifier used to group statistics, for example Asia/Kathmandu. The default is UTC. Day and hour boundaries, including the default window when from and to are omitted, follow this timezone. When this parameter is set, pass from and to as calendar days or Z instants instead of timestamps with explicit UTC offsets.

categorystring

Not supported on breakdown endpoints. Supplying it returns a 422. To compare categories, use GET /v1/email/stats/categories. The summary, daily, and hourly statistics accept category as a filter.

sort'processed' | 'delivered' | 'bounced' | 'complained' | 'deferred' | 'rejected' | 'oob_bounces' | 'bounces.hard' | 'bounces.soft' | 'bounces.admin' | 'bounces.block' | 'bounces.undetermined' | 'opens' | 'opens_non_prefetched' | 'unique_opens' | 'unique_opens_non_prefetched' | 'clicks' | 'unique_clicks' | 'unsubscribes' | 'delivery_rate' | 'bounce_rate' | 'complaint_rate' | 'open_rate' | 'click_rate' | 'unsubscribe_rate' | 'bounces.hard_rate' | 'bounces.soft_rate' | 'bounces.admin_rate' | 'bounces.block_rate' | 'bounces.undetermined_rate'

Metric to rank breakdown rows by, applied descending. Shared by the breakdowns whose rows have the full delivery, engagement, and latency block: tags, sending domains, categories, recipient domains, templates, and broadcasts. Any count or rate can be used. A row whose rate is undefined, because its denominator was zero, sorts last. A bounce sub-type is nested under bounces in each row, so its sort name reflects that, for example bounces.hard and bounces.hard_rate. oob_bounces is distinct from bounced: it counts out-of-band bounces, failure notifications that arrive after delivery was already confirmed.

Metric to rank rows by, applied descending. Any count or rate in the response may be used; rows whose rate is undefined (zero denominator) sort last. Defaults to processed.

limitinteger

Maximum number of broadcast rows to return, ranked by the sort field descending.

Headers

X-Workspace-Idstring

Workspace context for the request. Required for dashboard authentication and master keys. Workspace keys and access tokens already identify their workspace; send that workspace or omit the header. A different one is rejected.

X-Organization-Idstring

Organization context for the request. Required for dashboard authentication. An API key or access token carries its own organization, so send either that organization or no header at all; a different one is rejected.

Response

Per-broadcast breakdown for the requested period.

totalinteger required

Total number of distinct broadcasts with activity in the period, regardless of limit. Pass next_cursor as starting_after to request the next page.

next_cursorstring nullable required

Cursor for the next page. Pass back as starting_after to advance forward. null when no next page exists.

prev_cursorstring nullable required

Cursor for the previous page. Pass back as ending_before to step backward. null when no previous page exists.

refresh_cursorstring nullable required

Refresh anchor, the first row of this response. Pass back as ending_before to fetch what precedes it in the current sort order. On a newest-first sort those are the items that have appeared since; on any other sort they are the items that sort earlier, so refreshing such a list means re-fetching it instead. Non-null whenever data is non-empty; null only on an empty page. Distinct from prev_cursor.

Example response

{
  "period": {
    "from": "2026-05-01",
    "to": "2026-05-25",
    "data_as_of": "2026-05-25T14:03:10Z"
  },
  "data": [
    {
      "broadcast_id": "eb_01krdgeqcxet5s7t44vh8rt9mg",
      "delivery": {
        "accepted": 14820,
        "processed": 14810,
        "delivered": 14720,
        "bounced": 90,
        "bounces": {
          "hard": 12410,
          "soft": 14290,
          "admin": 410,
          "block": 920,
          "undetermined": 80,
          "hard_rate": 0.454,
          "soft_rate": 0.523,
          "admin_rate": 0.015,
          "block_rate": 0.0337,
          "undetermined_rate": 0.0029
        },
        "complained": 3,
        "deferred": 14,
        "rejected": 10,
        "oob_bounces": 2,
        "effective_delivered": 14718,
        "all_bounces": 92,
        "oob_rate": 0.00014,
        "delivery_rate": 0.9939,
        "bounce_rate": 0.0061,
        "complaint_rate": 0.0002
      },
      "engagement": {
        "opens": 5420,
        "opens_non_prefetched": 3210,
        "unique_opens": 3640,
        "unique_opens_non_prefetched": 2480,
        "clicks": 924,
        "unique_clicks": 621,
        "unsubscribes": 12,
        "open_rate": 0.1683,
        "click_rate": 0.0422,
        "unsubscribe_rate": 0.0009
      },
      "latency": {
        "processing": {
          "p50_ms": 420,
          "p95_ms": 1820,
          "p99_ms": 4920
        },
        "delivery": {
          "p50_ms": 420,
          "p95_ms": 1820,
          "p99_ms": 4920
        },
        "total": {
          "p50_ms": 420,
          "p95_ms": 1820,
          "p99_ms": 4920
        }
      }
    }
  ],
  "total": 57,
  "next_cursor": "eyJ2IjoxLCJzIjoiXCIyMDI2LTA1LTI1VDE0OjAzOjEwWlwiIiwiaSI6IjAxOTJmM2IxLTRjN2UtN2EyYi05ZDYxLThmM2E1YzJlN2I0MCJ9",
  "refresh_cursor": "eyJ2IjoxLCJzIjoiXCIyMDI2LTA1LTI1VDE2OjQyOjAxWlwiIiwiaSI6IjAxOTJmM2IxLTllMDQtN2NkMy1iODE3LTJhNmY0ZDFjOGUwOSJ9"
}

Changes

No recorded changes to this operation across all 2 revisions of this API.