---
title: "Return per-step delivery and response stats for sends with a non-null variant_index. Example output: step 1, arm 'B', se"
method: GET
path: "/api/v1/analytics/variants"
tags: ["analytics"]
---

# Return per-step delivery and response stats for sends with a non-null variant_index. Example output: step 1, arm 'B', se

`GET /api/v1/analytics/variants`

## Request

- Base URL: `https://crispy.sh`
- URL: `https://crispy.sh/api/v1/analytics/variants`
- Auth: HTTP bearer

## Query parameters

- `campaign_id` string, required: Campaign slug (e.g. 'gtm-engineers-apr26') from list_campaigns

## Response `200`

Success

## Other responses

- `401`: Missing or expired API key
- `403`: Insufficient key scope or permission denied
- `429`: Rate limit exceeded

---

[API](https://skmtc.dev/crispy/apis/crispy-rest-api.md) · [All operations](https://skmtc.dev/crispy/apis/crispy-rest-api/llms.txt) · [OpenAPI document](https://skmtc.dev/crispy/apis/crispy-rest-api/revisions/6bed0974d9ce?raw)