Upload email and phone lists
Import CSV or TXT files from signup flows, KYC vendors, chargeback queues, or CRM exports.
Verify Apple ID-style account signals from email and phone lists before fintech onboarding, KYC review, chargeback prevention, and account risk scoring.
Bulk pricing: $3 USD per 10,000 checks. Minimum batch: 1,000 rows. Single lookup: $0.01 USD per check, minimum 1. Single and bulk rates are separate. See the pricing catalog for current rates.
zelnum.com helps fraud teams process CSV or TXT files, classify account presence signals, and export clean review segments without manual lookup work.
A bulk account-signal workflow for fraud operations, KYC teams, and fintech risk review queues.
Import CSV or TXT files from signup flows, KYC vendors, chargeback queues, or CRM exports.
Classify each record as matched, unmatched, low-confidence, or review-ready for risk scoring.
Download clean CSV files for approval, manual review, step-up verification, or suppression workflows.
Use account-signal verification when email and phone reputation matter before a fintech product approves users, payments, or account changes.
Add account-signal context before approving new wallets, bank accounts, lending profiles, or trial accounts.
Flag weak or mismatched email and phone records before password resets, payout changes, or device recovery events.
Route low-confidence records into manual review while letting stronger records move through faster checks.
Bulk pricing for email and phone account-signal verification, fraud review exports, and fintech data hygiene.
Includes matched, unmatched, low-confidence, risk segment, and downloadable CSV exports.
Pay as you go.
Use the API to run bulk account-signal verification jobs | CSV in, segmented results out.
Browse Account CheckersResults should be treated as account-signal verification, not guaranteed identity proof. Accuracy depends on email quality, phone quality, regional coverage, and account settings.
Use only with lawful, consented, or owned business data. The product is intended for fraud prevention, account quality, and risk review workflows.
This is not an official Apple product. Customers are responsible for making sure their use case, data source, and workflow comply with applicable platform rules, contracts, and privacy laws.
This product supports single lookups and bulk workflows. Use the mode that matches the size and timing of your verification job.
Use a single-number lookup when you need an immediate result.
View lookup toolsUpload CSV or TXT files and export matched, unmatched, duplicate, or review-ready segments.
Explore bulk productsRun checks from your backend by submitting jobs, polling their status, and downloading results.
Read the API guideOpen ZelNum in your preferred AI assistant to review its bulk WhatsApp, Telegram, phone validation, carrier lookup, social account, crypto exchange, CSV upload, and API workflows.
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