Verificador de número de Viber — Verificar registro de conta do Viber via API

Verify if a phone number is registered on Viber.

Viber is a secure messaging platform used by millions worldwide, particularly in Eastern Europe, Asia, and the Middle East. Verifying Viber registration is critical for businesses targeting these regions.

Why Verify Viber Number Registration?

• Regional Marketing: Viber has strong adoption in specific geographic markets
• Channel Diversification: Verify where your customers prefer to communicate
• Database Quality: Ensure contact lists include active Viber users
• International Outreach: Essential for B2B communication in markets where Viber dominates

Viber bulk number checker API

Official documentation: Viber Bulk CheckNumber API.

CheckNumber verifies phone numbers in batch: upload a .txt or .csv file (one E.164 number per line), poll task status, then download the result file.

Submit task

POST https://api.checknumber.ai/v1/tasks

curl --location 'https://api.checknumber.ai/v1/tasks' \
--header 'X-API-Key: API-KEY' \
--form 'file=@"./numbers.txt"' \
--form 'task_type="viber"'

Check task status

POST https://api.checknumber.ai/v1/gettasks

curl --location 'https://api.checknumber.ai/v1/gettasks' \
--header 'X-API-Key: API-KEY' \
--form 'task_id="TASK_ID"'

When status is exported, download results from result_url.

Result columns

Task payload fields

HTTP status codes

Integration checklist

1. Use E.164 numbers only.
2. Poll /v1/gettasks until the task finishes.
3. Follow the official docs.
4. Pricing: pricing.