---
title: "Count how many people match targeting criteria (free)"
method: POST
path: "/audience/size"
tags: ["Audience"]
---

# Count how many people match targeting criteria (free)

`POST /audience/size`

## Request

- Base URL: `https://api.emailchaser.com/r`
- URL: `https://api.emailchaser.com/r/audience/size`
- Auth: HTTP bearer

Returns the number of prospects matching the given titles, seniorities, industries, company sizes and locations. Searching is free and never spends credits; only revealing contact details is metered.

## Request body

- ModelsAudienceSizeRequest
  - `companySizes` string[]
  - `industries` string[]
  - `keywords` string[]
  - `locations` string[]
  - `seniorities` string[]
  - `titles` string[]

## Response `200`

Matching audience size

- ModelsAudienceCountResponse
  - `audienceSize` integer

## Other responses

- `400`: Empty or invalid criteria
- `401`: Unauthorized - invalid or missing API key
- `502`: Data provider unavailable

---

[API](https://skmtc.dev/emailchaser/apis/emailchaser-api.md) · [All operations](https://skmtc.dev/emailchaser/apis/emailchaser-api/llms.txt) · [OpenAPI document](https://skmtc.dev/emailchaser/apis/emailchaser-api/revisions/8b114990abb7?raw)