---
title: "Find companies similar to a seed domain. 1 credit per 10 results (rounded up)."
method: POST
path: "/findymail/api/lookalike/search"
tags: ["Findymail"]
---

# Find companies similar to a seed domain. 1 credit per 10 results (rounded up).

`POST /findymail/api/lookalike/search`

## Request

- Base URL: `https://api.orthogonal.com/mpp`
- URL: `https://api.orthogonal.com/mpp/findymail/api/lookalike/search`
- Auth: none declared
- TypeScript: <https://skmtc.dev/orthogonal/apis/orthogonal-api-marketplace/docs/findymail/api/lookalike/search/post.ts> (a function with typed inputs; its response is checked against the schema)

## Request body

- object
  - `seed` string, required: Seed company domain or URL
  - `same_country` boolean: Only same country as seed (default false)
  - `same_size` boolean: Only same size range as seed (default false)
  - `limit` integer: Max companies (default 100, max 10000)
  - `exclusion_list_ids` string[]: Exclusion list IDs to filter out known companies

## Response `200`

Successful response

## Other responses

- `402`: Payment Required (x402 / MPP / np)

## Changes

- **2026-11-08** `857e915717f4`: 1 breaking
  - added required request body

[Operation history](https://skmtc.dev/orthogonal/apis/orthogonal-api-marketplace/changes/findymail/api/lookalike/search/post.md)

---

[API](https://skmtc.dev/orthogonal/apis/orthogonal-api-marketplace.md) - [All operations](https://skmtc.dev/orthogonal/apis/orthogonal-api-marketplace/llms.txt) - [OpenAPI document](https://skmtc.dev/orthogonal/apis/orthogonal-api-marketplace/revisions/f89fb77710bc?raw)