---
title: "Preview lookalike companies for given domains. This endpoint is free on the upstream API."
method: POST
path: "/leadsforge/lookalikes/preview"
tags: ["Leadsforge"]
---

# Preview lookalike companies for given domains. This endpoint is free on the upstream API.

`POST /leadsforge/lookalikes/preview`

## Request

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

## Request body

- object
  - `domains` string[], required: Array of company domains to find lookalikes for
  - `categories` string[]: Category filter
  - `employeeRanges` string[]: Employee range filter
  - `fundingStages` string[]: Funding stage filter
  - `locations` string[]: Location filter (array of objects with id and type)

## Response `200`

Successful response

## Other responses

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

## Changes

- **2026-11-08** `857e915717f4`: 1 breaking
  - added required request body
- **2026-08-08** `77171ba88a1c`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/orthogonal/apis/orthogonal-api-marketplace/changes/leadsforge/lookalikes/preview/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/fc2e1d26c8eb?raw)