---
title: "Estimate engagement boost reach"
method: GET
path: "/boost/estimate"
---

# Estimate engagement boost reach

`GET /boost/estimate`

## Request

- Base URL: `https://api.bamf.ai/v1`
- URL: `https://api.bamf.ai/v1/boost/estimate`
- Auth: HTTP bearer

Returns provider-confirmed eligible groups and projected reach for a creator at a given tier and engagement type. A recent complete provider roster and exact account-pod membership are required. When matched group member counts are unmeasured, raw_members, unique_reach, reactions, and comments are null with member_data_status=unknown; zero is not substituted for missing audience data. The best-effort audience explanation is directional, not exact targeting. Requires the posts:read scope.

## Query parameters

- `author_id` string, required
- `tier` 'basic' | 'power' | 'mega'
- `engagement_type` 'reactions' | 'reactions_comments' | 'any'

## Response `200`

Boost reach estimate

---

[API](https://skmtc.dev/bamf/apis/bamf-developer-platform-api.md) · [All operations](https://skmtc.dev/bamf/apis/bamf-developer-platform-api/llms.txt) · [OpenAPI document](https://skmtc.dev/bamf/apis/bamf-developer-platform-api/revisions/a390dd3294bd?raw)