How to bulk-check CoinW numbers — coinw_email on Cheker.pro

OTC and affiliate teams use CoinW checker to cut multi-accounts and signup farms.

CoinW Email Checker (coinw_email) is Cheker.pro bulk CoinW verification. This guide covers mass phone checks, coinw_email API, phone intelligence, list hygiene before SMS/messengers, and CSV export for CRM.

Who it is for

CoinW Email Checker is used by SMS hubs, performance marketing, crypto compliance, call centers and SaaS with Reseller API. If your pipeline segments «has CoinW / not» — this task type covers bulk at scale.

What CoinW Email Checker does

CoinW email account validation and detection. Each input line becomes one CSV row with result fields.

Task type: coinw_email. Family: CoinW. Input type: email.

Pricing and output on CoinW 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: 2,000 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 CoinW 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

• Email
• coinw: yes/no

Interpret Email · coinw: yes/no with a clear rule: «yes» → CoinW channel candidate; «no» → SMS/email fallback or exclude from campaign.

Use cases

• Antifraud adds coinw_email to risk score.
• Antifraud adds coinw_email to risk score.
• Antifraud adds coinw_email to risk score.

How to run a check

1. Sign up at Cheker.pro and top up USDT
2. Open CoinW Email Checker — TXT/CSV upload form
3. Wait for completion in «Мои задачи»
4. Download CSV into CRM / SMS hub / BI
5. Automation: Reseller API — coinw_email

Common mistakes

• Local format without country code → false «no» results.
• Mixed countries in one file → API rejection or wrong output.
• Confusing CoinW 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 CoinW

Email variant (coinw_email) fits CRM records with email only. Do not mix email and phone files in one task.

Related CoinW checkers

• CoinW Checker (coinw) — CoinW account verification

FAQ

How is CoinW Email Checker different from other CoinW checkers?

Task type coinw_email: CoinW email account validation and detection. Output: Email · coinw: yes/no. Compare family variants in the checker catalog and coinw_email landing.

Minimum batch size and file format for coinw_email?

Minimum 2,000 lines. email addresses (one per line). One country per file. Format hints on the upload page.

How much does CoinW Email Checker cost?

Pay-as-you-go USDT: per-line billing at checker rate. Current price per 10k lines on the coinw_email card and dashboard after top-up.

API for CoinW Email Checker?

Yes. Reseller API: POST /api/v1/check with task type coinw_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: CoinW Email Checker is the bulk layer for CoinW. Catalog: coinw_email · run → · Cheker.pro blog