Messenger & social checks
How to bulk-check Facebook numbers — facebook_email on Cheker.pro
Facebook Email Checker (facebook_email): Facebook email account validation and detection. Bulk Facebook checks from 1,000 lines, CSV export & Reseller API …
2026-06-25 · 4 min
- #facebook_email
- #cheker.pro
- #bulk check
- #phone checker
- #mass verification
- #phone intelligence
- #reseller api
- #email verification
Bulk-check facebook_email shows who to reach on messenger vs SMS.
Facebook Email Checker (facebook_email) is Cheker.pro bulk Facebook verification. This guide covers mass phone checks, facebook_email API, phone intelligence, list hygiene before SMS/messengers, and CSV export for CRM.
Who it is for
Facebook Email Checker is used by SMS hubs, performance marketing, crypto compliance, call centers and SaaS with Reseller API. If your pipeline segments «has Facebook / not» — this task type covers bulk at scale.
What Facebook Email Checker does
Facebook email account validation and detection. Each input line becomes one CSV row with result fields.
Task type: facebook_email. Family: Facebook. Input type: email.
Pricing and output on Facebook Email Checker landing. Run tasks in dashboard.
Input file format
Upload TXT or CSV: email addresses (one per line). One file = one country only (country code in every line: Brazil 55, US 1, Russia 7).
- Minimum: 1,000 lines per task
- Maximum: 10,000,000 lines (large files auto-split)
- E.164 recommended: +country code, no spaces or brackets
- See format preview in the upload form at Facebook Email Checker
Do not mix phone, email and username in one file. From Excel export a single column to CSV — avoid formulas and scientific notation.
Output fields
Emailfacebook: yes/no
Interpret Email · facebook: yes/no with a clear rule: «yes» → Facebook channel candidate; «no» → SMS/email fallback or exclude from campaign.
Use cases
- Antifraud adds facebook_email to risk score.
- Antifraud adds facebook_email to risk score.
- Antifraud adds facebook_email to risk score.
How to run a check
- Sign up at Cheker.pro and top up USDT
- Open Facebook Email Checker — TXT/CSV upload form
- Wait for completion in «Мои задачи»
- Download CSV into CRM / SMS hub / BI
- Automation: Reseller API —
facebook_email
Common mistakes
- Local format without country code → false «no» results.
- Mixed countries in one file → API rejection or wrong output.
- Confusing Facebook registration with «number is reachable» — different signals.
- Treating «no» as permanent block without re-check after 7–14 days.
- Bulk-check without legal basis (GDPR / local telecom rules) — validation does not replace consent.
Email vs phone for Facebook
Email variant (facebook_email) fits CRM records with email only. Do not mix email and phone files in one task.
Related Facebook checkers
- Facebook Checker (
facebook) — Facebook account detection and validation
FAQ
How is Facebook Email Checker different from other Facebook checkers?
Task type facebook_email: Facebook email account validation and detection. Output: Email · facebook: yes/no. Compare family variants in the checker catalog and facebook_email landing.
Minimum batch size and file format for facebook_email?
Minimum 1,000 lines. email addresses (one per line). One country per file. Format hints on the upload page.
How much does Facebook Email Checker cost?
Pay-as-you-go USDT: per-line billing at checker rate. Current price per 10k lines on the facebook_email card and dashboard after top-up.
API for Facebook Email Checker?
Yes. Reseller API: POST /api/v1/check with task type facebook_email. Keys: API keys, docs: /docs.
Is bulk checking legal?
Use only lists with opt-in or other lawful basis (GDPR, local rules). Cheker.pro acts as processor on your instructions; you define retention and consent policy.
Summary: Facebook Email Checker is the bulk layer for Facebook. Catalog: facebook_email · run → · Cheker.pro blog
Live check
Run bulk checks in the Cheker platform.
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