# Ihsan Ullah Khan, free: Cached reverse email lookup API

> Retrieve a single contact's complete professional profile using their email address. [...] Ideal for real-time CRM enrichment, email-to-profile resolution, contact verification, lead scoring, and appending missing data to your existing database records.

Ihsan Ullah Khan's cached reverse email lookup API on its Basic plan. It costs $0.00 per 1,000 people. It returns 5 of the 13 key fields we check: Experience, Skills, About, Location, Connections.

- This page: https://datacircle.dev/cached-reverse-email-lookup-apis/ihsan-ullah-khan/free
- Get it: https://rapidapi.com/ipworld/api/b2b-contact-company-data-api/pricing
- Its API docs: https://rapidapi.com/ipworld/api/b2b-contact-company-data-api/playground/apiendpoint_83fde345-c97d-4ebf-8002-c5b7d2c75c32
- Sold by: Ihsan Ullah Khan (https://bestinfopoint.com)
- Checked: 2026-10-19

## In the answer

- Completeness: 38%
- Experience: ✓ current job
- Skills: ✓
- About: ✓
- Location: ✓
- Connections: ✓

## Price

- $ per 1,000: $0.00
- Billing: free

## Aggregators

- Aggregators: none

## Charges

- Per: call
- Also pays for: from the same budget: Person Search · Company Search · Company Lookup · Company People

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Retrieve a single contact's complete professional profile using their email address. [...] Ideal for real-time CRM enrichment, email-to-profile resolution, contact verification, lead scoring, and appending missing data to your existing database records.

## Data

- Freshness: stored
- Keep data: You may store and use the data in your internal systems
- Use data: You may use this API for legitimate business purposes, including sales prospecting, lead generation, CRM enrichment, market research, and recruiting. You may not use it for spamming, harassment, illegal activities, or any purpose that violates applicable data protection laws [...] Each API key is personal and non-transferable. Do not share your API key with third parties [...] You may not resell, redistribute, or sublicense the raw data as a standalone dataset or competing data product [...] Automated scraping of the entire database is prohibited [...] You are responsible for complying with all applicable laws (GDPR, CAN-SPAM, CCPA, etc.) when using the data. Do not use personal data for purposes that violate individuals' privacy rights

## Plan

- Pay: $0
- You get: 200 requests a month
- Enough for: 200 calls a month
- Expires: unused credits do not roll over

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: email. Optional: page, size
- Method: GET
- Path: /persons/lookup

## About the plan

- Plan: Basic
- Who can get it: anyone 18 or over, not in Belarus, Cuba, Crimea, Donetsk, Iran, North Korea, Russia or Syria

## The 43 fields the plan's answer can hold

provider record ID, name, first name, middle name, last name, email, personal email, all emails, current title, job title role, current seniority, current department, job summary, phone, mobile phone, profile URL, username, Facebook URL, Facebook handle, X URL, Twitter handle, GitHub URL, GitHub handle, current company, current company domain, current company industry, current company sub-industry, street address, address line 2, city, region, postal code, country, continent, metro area, skills, interests, about, gender, birth year, inferred salary, years of experience, connections

## Ihsan Ullah Khan's plans (4)

- [Ihsan Ullah Khan, free](https://datacircle.dev/cached-reverse-email-lookup-apis/ihsan-ullah-khan/free/llms.txt): $0.00 per 1,000, 38% complete, stored
- [Ihsan Ullah Khan, $9.99 monthly](https://datacircle.dev/cached-reverse-email-lookup-apis/ihsan-ullah-khan/9-99-monthly/llms.txt): $0.999 per 1,000, 38% complete, stored
- [Ihsan Ullah Khan, $49 monthly](https://datacircle.dev/cached-reverse-email-lookup-apis/ihsan-ullah-khan/49-monthly/llms.txt): $0.122 per 1,000, 38% complete, stored
- [Ihsan Ullah Khan, $99 monthly](https://datacircle.dev/cached-reverse-email-lookup-apis/ihsan-ullah-khan/99-monthly/llms.txt): $0.083 per 1,000, 38% complete, stored

## Ihsan Ullah Khan's calls (1)

- `GET /persons/lookup`: [Ihsan Ullah Khan, free](https://datacircle.dev/cached-reverse-email-lookup-apis/ihsan-ullah-khan/free/llms.txt)

## Ihsan Ullah Khan: cached reverse email lookup API alternatives

- [QuickEnrich, free](https://datacircle.dev/cached-reverse-email-lookup-apis/quickenrich/free/llms.txt): $0.00 per 1,000, 8% complete, stored
- [Context.dev, free](https://datacircle.dev/cached-reverse-email-lookup-apis/context-dev/free/llms.txt): $0.00 per 1,000, 46% complete, stored
- [AnyAPI, free, trial key](https://datacircle.dev/cached-reverse-email-lookup-apis/anyapi/free-trial-key/llms.txt): $0.00 per 1,000, 8% complete, stored
- [Kendo, free, Free, GET /linkedinbyemail](https://datacircle.dev/cached-reverse-email-lookup-apis/kendo/free-free-get-linkedinbyemail/llms.txt): $0.00 per 1,000, 0% complete, stored

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-10-19.

- https://bestinfopoint.com
- https://docs.rapidapi.com/docs/additional-request-headers
- https://docs.rapidapi.com/docs/hub-listing-monetize-tab.md
- https://rapidapi.com/ipworld/api/b2b-contact-company-data-api
- https://rapidapi.com/ipworld/api/b2b-contact-company-data-api/playground/apiendpoint_83fde345-c97d-4ebf-8002-c5b7d2c75c32
- https://rapidapi.com/ipworld/api/b2b-contact-company-data-api/pricing
- https://rapidapi.com/terms