---
title: "The Find Phone API uses Sixtyfour AI to discover phone numbers for leads. It extracts contact information from lead data and returns enriched results with phone numbers."
method: POST
path: "/sixtyfour/find-phone"
tags: ["Sixtyfour"]
---

# The Find Phone API uses Sixtyfour AI to discover phone numbers for leads. It extracts contact information from lead data and returns enriched results with phone numbers.

`POST /sixtyfour/find-phone`

## Request

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

## Request body

- object
  - `lead` object, required: Lead information object
  - `name` string: Full name of the person
  - `company` string: Company name
  - `linkedin_url` string: LinkedIn profile URL
  - `domain` string: Company website domain
  - `email` string: Email address

## 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 `Sixtyfour` added
  - api tag `Sixtyfour API` removed

[Operation history](https://skmtc.dev/orthogonal/apis/orthogonal-api-marketplace/changes/sixtyfour/find-phone/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)