---
title: "Preview a broadcast audience"
method: GET
path: "/v1/broadcasts/audience"
tags: ["Broadcasts"]
---

# Preview a broadcast audience

`GET /v1/broadcasts/audience`

## Request

- Base URL: `https://smtpfa.st/api`
- URL: `https://smtpfa.st/api/v1/broadcasts/audience`
- Auth: HTTP bearer

How many contacts a broadcast to all contacts, or to one segment, would reach after unsubscribes, suppressions and invalid addresses are skipped, plus the plan's broadcast allowance this month. Not in Resend. Requires the email:read scope.

## Query parameters

- `segment_id` string

## Response `200`

The audience counts

- object

## Other responses

- `401`: Invalid or missing API key
- `403`: Forbidden - domain not verified or insufficient permissions
- `404`: Resource not found
- `429`: Rate limit exceeded - retry after the period indicated in the Retry-After header
- `500`: Internal server error

---

[API](https://skmtc.dev/smtpfa/apis/smtpfast-api.md) · [All operations](https://skmtc.dev/smtpfa/apis/smtpfast-api/llms.txt) · [OpenAPI document](https://skmtc.dev/smtpfa/apis/smtpfast-api/revisions/79dda742f53e?raw)