---
title: "Do a reverse lookup: given an email address, find someone's LinkedIn profile and personal details. Note: if you also have the person's name, company, etc., you'll get better results with the Kitchen Sink endpoint, where you can pass all the information you have."
method: POST
path: "/fiber/v1/email-to-person/single"
tags: ["Fiber AI"]
---

# Do a reverse lookup: given an email address, find someone's LinkedIn profile and personal details. Note: if you also have the person's name, company, etc., you'll get better results with the Kitchen Sink endpoint, where you can pass all the information you have.

`POST /fiber/v1/email-to-person/single`

## Request

- Base URL: `https://api.orthogonal.com/mpp`
- URL: `https://api.orthogonal.com/mpp/fiber/v1/email-to-person/single`
- Auth: none declared
- TypeScript: <https://skmtc.dev/orthogonal/apis/orthogonal-api-marketplace/docs/fiber/v1/email-to-person/single/post.ts> (a function with typed inputs; its response is checked against the schema)

## Request body

- object
  - `email` string, required: The person's email address for which you want to do a reverse lookup
  - `num_profiles` number: Number of profiles to return. Maximum 10 profiles can be returned for given query. The returned profiles will be sorted by best match first.

## Response `200`

Successful response

## Other responses

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

## Changes

- **2026-11-08** `857e915717f4`: 1 breaking
  - added required request body
- **2026-08-25** `806e279c8d50`: 2 info
  - api tag `Fiber AI` added
  - api tag `Fiber AI API` removed

[Operation history](https://skmtc.dev/orthogonal/apis/orthogonal-api-marketplace/changes/fiber/v1/email-to-person/single/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/f3e9572f3f12?raw)