> ## Documentation Index
> Fetch the complete documentation index at: https://docs.blitz-api.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Reverse Phone Lookup

> Identify a professional and retrieve their full profile from a verified phone number.

<div style={{position:'absolute',width:'1px',height:'1px',padding:0,margin:'-1px',overflow:'hidden',clipPath:'inset(50%)',whiteSpace:'nowrap',border:0}}>
  > **Agents & LLMs**: a Markdown version of this page is available by appending `.md` to the URL, and the full documentation index is at [llms.txt](https://docs.blitz-api.ai/llms.txt).
</div>

<Callout icon="coin" color="blue">
  **Cost:** 5 credits per person found on Trial Plan
</Callout>

<Callout icon="coin" color="orange">
  **Free** on the Unlimited plan
</Callout>

Identify a professional and retrieve their full profile from a verified phone number.

<Danger>
  **Coverage is limited to United States only.**
</Danger>

<Card title="CRM hygiene playbook" icon="broom" href="/guide/recipes/crm-hygiene">
  Reverse lookups for cleaning, enriching, and de-duping CRM records.
</Card>


## OpenAPI

````yaml api-reference/v2.openapi.json POST /v2/enrichment/phone-to-person
openapi: 3.1.0
info:
  title: Blitz API Reference
  version: 2.0.0
  description: >-
    Welcome to the Blitz API Reference.


    Use this interactive documentation to explore and test every v2 endpoint.
    Authentication is required via the `x-api-key` header.


    **Base URL**: `https://api.blitz-api.ai`


    **Rate limit**: 5 requests per second, per endpoint (all plans). Each
    endpoint has its own independent budget, so different endpoints don't share
    the limit.


    **Pricing**: All endpoints are unlimited on paid plans ($399+/mo). Free
    trial accounts receive 1,000 credits.
servers:
  - url: https://api.blitz-api.ai
    description: Production server
security: []
tags:
  - name: Account
    description: API key info and health check.
  - name: Waterfall ICP Search
    description: Priority-based cascade search — find the best-match contact at a company.
  - name: Employee Finder
    description: Browse all employees at a single company with filters.
  - name: Company Search
    description: Search companies by industry, size, location, and keywords.
  - name: People Enrichment
    description: Enrich contacts with verified emails, phones, and reverse lookups.
  - name: Company Enrichment
    description: Enrich companies and resolve domain ↔ LinkedIn URL.
  - name: Utilities
    description: Helper endpoints (current date/time).
paths:
  /v2/enrichment/phone-to-person:
    post:
      tags:
        - People Enrichment
      summary: Reverse Phone Lookup
      description: >-
        Identify a professional and retrieve their full profile from a verified
        phone number.
      requestBody:
        content:
          application/json:
            schema:
              type: object
              properties:
                phone:
                  type: string
                  example: '+1234567890'
              required:
                - phone
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: object
                example:
                  found: true
                  person:
                    first_name: Antoine
                    last_name: Blitz
                    full_name: Antoine Blitz
                    nickname: null
                    civility_title: null
                    headline: >-
                      Founder @BlitzAPI — B2B Data APIs for Prospecting,
                      Enrichment & Personalization at Scale | GTME
                    about_me: >-
                      I build developer-first tools for scalable, intelligent
                      B2B prospecting. I\'m the…
                    location:
                      city: null
                      state_code: NY
                      country_code: US
                      continent: North America
                    linkedin_url: https://www.linkedin.com/in/antoine-blitz-5581b7373
                    connections_count: 500
                    profile_picture_url: >-
                      https://media.licdn.com/dms/image/v2/D4E03AQFbZDn8ju8JZg/profile-displayphoto-scale_200_200/B4EZfgsajLGcAY-/0/1751821433134
                    experiences:
                      - job_title: Founder Blitzapi
                        company_linkedin_url: https://www.linkedin.com/company/blitz-api
                        company_linkedin_id: be578414-239f-522e-b2e1-9246e22a52d1
                        job_description: >-
                          We help GTM teams win faster by making high-quality
                          B2B data and intent signals instantly available —
                          directly in your existing stack. What we doBlitzAPI is
                          an API-only platform for Growth, RevOps, and SalesOps
                          teams to: Search: find the right people & companies
                          (Waterfall ICP, LinkedIn/company/domain lookups,
                          engagement search) Enrich: add verified emails, direct
                          phone numbers & LinkedIn details in real time
                          Validate: advanced catch-all email verification to
                          maximize deliverability Scrape LinkedIn signals:
                          posts, reactions, comments & activity for
                          hyper-relevant outreach Why BlitzAPI- Real-time &
                          precise — no stale databases- API-first & composable —
                          works with N8N, Make, Clay, HubSpot, Salesforce,
                          Smartlead…- Transparent pricing — credits instead of
                          per-seat fees- Speed-to-market — prototype and scale
                          playbooks in days, not months Use cases our customers
                          loveHigh-deliverability outbound campaignsABM with
                          Waterfall ICP targetingSocial selling with LinkedIn
                          engagement triggersReal-time lead routing & enrichment
                        job_start_date: '2025-05-01'
                        job_end_date: null
                        job_is_current: true
                        job_location:
                          city: null
                          state_code: null
                          country_code: null
                    education: []
                    skills: []
                    certifications: []
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                type: object
                example:
                  message: >-
                    Missing API key, please provide a valid API key in the
                    'x-api-key' header
        '402':
          description: Payment Required
          content:
            application/json:
              schema:
                type: object
                example:
                  message: Insufficient credits balance
        '500':
          description: Internal Server Error
          content:
            application/json:
              schema:
                type: object
                example:
                  success: false
                  message: >-
                    this is a controlled error. created at
                    2025-07-11T10:20:00.000Z
      security:
        - APIKey: []
components:
  securitySchemes:
    APIKey:
      type: apiKey
      in: header
      name: x-api-key
      description: Your Blitz API Key. Get one from https://app.blitz-api.ai

````