Facebook Account Checker API

An API to verify Facebook account existence by username, email, or phone number.

Table of Contents

• Features
• Getting Started
• API Endpoints
  • Single Account Check
  • Response Format
• Requirements
• Pricing
• Support
• Legal Compliance

Features

✅ Single account verification
✅ Supports emails, usernames, and phone numbers
✅ Fast JSON responses
✅ Enterprise-grade reliability

Getting Started

1. Get API Key

   • Subscribe via your preferred marketplace: API.Market or RapidAPI Hub
   • Get your API Key from your dashboard

2. Base URL & Authentication The Base URL and authentication headers depend on the marketplace you use:

   API.Market:

   • Base URL: https://prod.api.market/api/v1/osint-trace-1/facebook-checker
   • Header: X-Api-Key

   RapidAPI:

   • Base URL: https://facebook-checker.p.rapidapi.com
   • Headers: X-RapidAPI-Host: facebook-checker.p.rapidapi.com and X-RapidAPI-Key

API Endpoints

Single Account Check

Endpoint

POST /check

Request

{
 "input": "test@example.com"
}

Examples

API.Market (cURL)

curl --request POST \
     --url https://prod.api.market/api/v1/osint-trace-1/facebook-checker/check/facebook \
     --header 'X-Api-Key: YOUR_API_KEY' \
     --header 'Content-Type: application/json' \
     --data '{"input": "test@example.com"}'

RapidAPI (cURL)

curl --request POST \
     --url https://facebook-checker.p.rapidapi.com/check \
     --header 'X-RapidAPI-Host: facebook-checker.p.rapidapi.com' \
     --header 'X-RapidAPI-Key: YOUR_API_KEY' \
     --header 'Content-Type: application/json' \
     --data '{"input": "test@example.com"}'

Response Format

Successful Response

{
  "live": true
}

Requirements

• Minimum input length: 3 characters

• Valid input types:

  • Email addresses
  • Usernames
  • Phone numbers (E.164 format recommended)

Pricing

Flexible plans available through API.Market or RapidAPI.
Free tier available for testing and low-volume usage.

Support

For technical issues or enterprise inquiries:
📧 info@osinttrace.com

Legal Compliance

This API is intended for legitimate use cases only. Users are responsible for:

• Complying with Facebook's Terms of Service
• Adhering to all applicable data privacy laws
• Obtaining proper consent for data processing

This service is not affiliated with or endorsed by Meta Inc.