---
title: "POST /contact-info/lookup"
method: POST
path: "/contact-info/lookup"
tags: ["Contact-Info"]
---

# POST /contact-info/lookup

`POST /contact-info/lookup`

## Request

- Base URL: `https://api.carbonvoice.app`
- URL: `https://api.carbonvoice.app/contact-info/lookup`
- Auth: one of:
  - API key in header `pxtoken`
  - OAuth 2 (implicit, authorization URL `https://api.carbonvoice.app/oauth/authorize`)

## Request body

- CreateContactInfo
  - `hashed_values` string[], required

## Response `200`

Lookup all contacts for notification and return status of each

- ContactInfoResponse
  - `contacts` ContactLookupInfo[], required
    - `hashed_value` string, required
    - `existing_user_id` string, nullable, required
    - `registered_for_notifications` boolean, required

---

[API](https://skmtc.dev/carbonvoice/apis/carbon-voice-api.md) · [All operations](https://skmtc.dev/carbonvoice/apis/carbon-voice-api/llms.txt) · [OpenAPI document](https://skmtc.dev/carbonvoice/apis/carbon-voice-api/revisions/b91c5c845122?raw)