Cheker.pro Reseller API: integrate bulk checks in 30 minutes

Cheker.pro Reseller API embeds 69+ checkers (WhatsApp, Telegram, Binance, carrier, email) into CRM, antifraud stacks and white-label SaaS with your markup.

Base URL & auth

All requests: Authorization: Bearer YOUR_API_KEY. Create keys in dashboard. Docs: /docs.

Endpoints

1. GET /api/v1/balance — USDT balance
2. GET /api/v1/checkers — catalog & pricing
3. POST /api/v1/check — create task (multipart file + taskType)
4. GET /api/v1/tasks — task status
5. GET /api/v1/download — result CSV

Typical integration flow

1) Check balance → 2) List checkers → 3) POST check → 4) Poll tasks until done → 5) Download CSV → 6) CRM enrichment.

Rate limits & billing

Per-line billing at checker rate. Minimum batch from 100 to 2000 lines by task type. Large files auto-split into sub-tasks.

SEO keywords

phone checker API, bulk number verification API, WhatsApp checker API, Telegram verification API, reseller phone intelligence.

Documentation → · Get API key →