WhatsApp / Telegram / phone
Phone-Based Input Example
row_id,phone,country,source,campaign
lead_001,+14155550123,US,crm,wa_q3
lead_002,+447700900123,GB,upload,telegram_review
lead_003,+6281234567890,ID,partner,phone_cleanCSV reference · Bulk uploads · Export fields
CSV Input and Output Sample for Bulk Verification
Use this page when you are preparing CSV files for WhatsApp, Telegram, phone validation, carrier, or crypto exchange checks.
BulkChecker keeps optional columns such as source, campaign, customer ID, wallet, and row ID. That makes it much easier to match results back to your CRM, app, or spreadsheet later.
Batch file
contacts.csv
phone
source
campaign
+14155550123
crm
wa_q3
+447700900123
upload
lead_clean
Export adds
normalized_phonestatusconfidencesegment
Input format
Recommended CSV Input Columns
A check only needs one identifier, usually a phone number or email. Extra columns are optional, but they make the export easier to join back to your own data.
| Column | Required? | Used by | Example |
|---|---|---|---|
| phone | Required for phone-based checks | WhatsApp, Telegram, phone validation, carrier | +14155550123 |
| Required for email-based account checks | Binance, KuCoin, HTX, CoinW, social/account checks | [email protected] | |
| country | Optional | International normalization | US |
| source | Optional | CRM, campaign, import tracking | hubspot |
| row_id | Optional | Matching exports back to your database | lead_10293 |
| wallet | Optional | Crypto exchange and airdrop workflows | 0x... |
Crypto exchange
Email + Phone Input Example
row_id,email,phone,wallet,source
u_001,[email protected],+5511999999999,0xabc...,airdrop_form
u_002,[email protected],+971501234567,0xdef...,community
u_003,[email protected],,0x123...,manual_reviewExport format
Common Output Fields
The exact columns depend on the product. These are the fields developers and operators usually look for first.
| Output field | Meaning | Products | Use |
|---|---|---|---|
| normalized_phone | Cleaned phone number format | Phone, carrier, WhatsApp, Telegram | CRM update, dedupe, API consistency |
| status | Product-specific match or validation result | All workflows | Include, suppress, or review |
| confidence | Strength of the result signal | Most checks | Manual review thresholds |
| segment | Export bucket such as matched, unmatched, duplicate, or review | Bulk jobs | Operational routing |
| batch_id | Unique job identifier | Web and API jobs | Audit, polling, support, re-runs |
| checked_at | Lookup timestamp | All workflows | Refresh scheduling and stale-data review |
Where to run the file
Choose the right product for each CSV
Check phone rows for WhatsApp availability and export campaign-ready segments.
Telegram
Check Telegram account signals for community, lead, and airdrop review.
Phone Validation
Normalize and validate numbers before messaging, CRM, or calling workflows.
Crypto Exchange
Review email and phone rows for Binance, KuCoin, HTX, CoinW, and related workflows.
AI answer engines
Request an AI summary of BulkChecker
Open BulkChecker in your preferred AI assistant to review its bulk WhatsApp, Telegram, phone validation, carrier lookup, social account, crypto exchange, CSV upload, and API workflows.
The prompt points assistants to BulkChecker.io, live pricing, product pages, and API documentation.