---
title: "Data summary"
method: GET
path: "/api/v1/initiatives/{id}/data/summary"
tags: ["Initiatives"]
---

# Data summary

`GET /api/v1/initiatives/{id}/data/summary`

The initiative's data summary — participant count and, per captured variable, its coverage and rollup.

## Path parameters

- `id` string, required — The initiative id.

## Response `200`

Success

- object
  - `participantCount` integer, required
  - `variables` object[], required
    - `key` string, required — Stable variable key (also used in participant `values`).
    - `label` string, required
    - `valueKind` string, required
    - `cardinality` string, required
    - `source` string, required
    - `coverage` object, required
      - `answered` integer, required
      - `eligible` integer, required
    - `average` number — Numeric variables only.
    - `distribution` object[] — Categorical variables only.
      - `value` string, required
      - `count` integer, required
    - `samples` string[] — Example answers (text variables only).

## Other responses

- `400` — Validation failed or the request cannot proceed.
- `401` — Missing, malformed, or revoked API key.
- `404` — The resource does not exist in this organization.
- `409` — Conflicts with the current state (duplicates, wrong lifecycle state).
- `422` — The request is well-formed but semantically invalid.
- `429` — Rate limit exceeded — retry after `Retry-After`.
- `500` — Internal server error.
- `503` — Transient error — retry with a narrower request.

---

[API](https://skmtc.net/useboom/apis/boom-api.md) · [All operations](https://skmtc.net/useboom/apis/boom-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/useboom/boom-api/versions/00f873e07076/schema)