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$1.50 / 1,000 results

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Fast WhatsApp Number Validator | $1.5/1K | Bulk Phone Cleanup

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Clean and validate phone lists before WhatsApp/SMS outreach. Bulk-check numbers: validity, E.164 format, country, region, carrier, line type (mobile/landline) and WhatsApp-ready flag. 100% offline — no login, no bans. Optional Premium: live WhatsApp registration check with your own provider key.

Pricing

$1.50 / 1,000 results

Rating

5.0

(1)

Developer

Apivault Labs

Actor stats

Bookmarked

Total users

Monthly active users

9 days ago

Last modified

[0.9] — 2026-07-17

Fixed — far fewer "unknown" WhatsApp results

Rate-limited live checks are no longer silently dropped. The live source caps requests per IP; when a check hit that cap the answer used to be swallowed and the number was reported as not-registered. It's now detected and the check is retried on a fresh proxy IP, so genuinely reachable numbers are correctly returned as registered instead of being lost.
Added an independent fallback source for the few numbers the primary source still can't resolve, pushing the share of definitive true/false results close to 100% on a run.

Changed (internal, no behaviour change)

Live-check source config (endpoints, response markers, credential fields) centralized so a source change is a one-place fix.
Added automatic detection when the live check returns no usable results across a run (source down/blocked/changed) — logged as a clear warning while offline results are still delivered.

[0.7] — 2026-07-03

Added — optional live WhatsApp registration check (beta)

checkWhatsapp — turn it on to actually verify whether each valid, mobile-capable number is registered on WhatsApp right now. Adds whatsappRegistered (true / false) and, when the account is public, a whatsappProfilePic URL. Off by default, so the Actor stays 100% offline and instant unless you ask for the live check.
Best-effort with graceful fallback. The live check is a best-effort layer on top of the offline validation — if the live source is briefly unavailable or rate-limited, you still get the full offline result plus a whatsappCheckNote, never a failed run.
New tuning inputs whatsappConcurrency and whatsappTimeout (only used when the live check is on). No price change.

[0.6] — 2026-07-03

Fixed

whatsappCapable no longer reads false for every US/Canada number. These plans can't be split from landline offline, so they were graded maybe and the boolean showed false — making a whole list of valid US mobiles look un-reachable. whatsappCapable is now true when a line can hold a WhatsApp account (confirmed mobile or mobile-capable plan = yes+maybe), and false only for landline / VoIP / toll-free / invalid.
Boolean now matches the onlyWhatsappCapable filter. The filter keeps yes+maybe; previously the boolean only counted yes, so filtered rows could still show whatsappCapable: false. They now agree.
The graded whatsappCapability field (yes / maybe / no) is unchanged, so the mobile-vs-mobile-capable nuance is still there for anyone who needs it.

Changed

phoneNumbers is no longer required. You can run with just the bulk paste field (numbersText) — handy for pasting a spreadsheet column straight in.

[0.5] — 2026-06-25

Fixed

WhatsApp capability was marking almost every number as capable. For numbering plans that can't separate mobile from landline (notably US/Canada), libphonenumber reports FIXED_LINE_OR_MOBILE for every number, and the old code treated that whole bucket as whatsappCapable: true — so any valid US number looked WhatsApp-ready.
Capability is now graded honestly with a new whatsappCapability field: "yes" (confirmed mobile), "maybe" (mobile-or-landline plan — needs a live check), "no" (landline / VoIP / toll-free / invalid). The boolean whatsappCapable is now true only for confirmed-mobile ("yes") lines.
onlyWhatsappCapable now keeps yes + maybe and drops no, so it no longer silently passes landlines as WhatsApp-ready.
valid is unchanged (still libphonenumber format/allocation validity).

[0.4] — 2026-06-10

Changed

Renamed to "Fast WhatsApp Number Validator" — validates thousands of numbers in seconds.
Memory capped (128–1024 MB) to keep runs cheap and predictable.
Single tier now: $1.5/1K, fully offline. Removed the optional Premium live-WhatsApp-check tier and all provider integrations (Whapi / 2Chat / custom) and their inputs. The Actor is now login-free, key-free and bans-proof end to end. The result-premium charge event is retired.

[0.3] — 2026-06-10

Changed

Basic price lowered to $1.5/1K (was $2/1K) — still profitable, more competitive.
Premium price lowered to $3/1K (was $5/1K) — undercuts the live-check competitors.

Added

Bulk paste field (numbersText) — paste a whole list / copied spreadsheet column; merged with phoneNumbers.
Dataset views — "Validated numbers" + "WhatsApp-ready (clean list)" for a cleaner Store output and task landing pages.

Changed

Input is now flattened and de-duplicated — numbers pasted together (newline / comma / semicolon separated) are split apart, and duplicates are removed so you are never charged twice for the same number.

[0.2] — 2026-06-08

Added

Operator backend — provider credentials resolve from the Actor's secret environment variables (WA_PROVIDER, WA_API_KEY, WA_SOURCE_NUMBER, WA_CUSTOM_ENDPOINT) so users get keyless live checks with tier: premium.
Live-check providers: Whapi.Cloud, 2Chat, or a Custom endpoint.

[0.1] — 2026-06-08

Added — initial release

Offline bulk validation powered by Google's libphonenumber: validity, E.164 / international / national formats, country, region, carrier, line type (mobile / landline / VoIP …) and time zones.
whatsappCapable flag — true for valid mobile numbers that can hold a WhatsApp account.
Cleanup filters — onlyValid and onlyWhatsappCapable to return a ready-to-use list.
Premium tier (bring your own key) — optional live WhatsApp-registration check via Whapi.Cloud, 2Chat, or a custom HTTPS endpoint. Live checks run on your provider account; failures fall back gracefully to the offline result.
CSV export (exportFormat) with spreadsheet-friendly columns.
Per-run SUMMARY written to the key-value store (not billed).
Two-tier pricing: Basic $2/1K, Premium $5/1K. You pay per number returned.

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Fast WhatsApp Number Validator | $1.5/1K | Bulk Phone Cleanup

Changelog

[0.9] — 2026-07-17

Fixed — far fewer "unknown" WhatsApp results

Changed (internal, no behaviour change)

[0.7] — 2026-07-03

Added — optional live WhatsApp registration check (beta)

[0.6] — 2026-07-03

Fixed

Changed

[0.5] — 2026-06-25

Fixed

[0.4] — 2026-06-10

Changed

[0.3] — 2026-06-10

Changed

Added

Changed

[0.2] — 2026-06-08

Added

[0.1] — 2026-06-08

Added — initial release

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Changelog

[0.9] — 2026-07-17

Fixed — far fewer "unknown" WhatsApp results

Changed (internal, no behaviour change)

[0.7] — 2026-07-03

Added — optional live WhatsApp registration check (beta)

[0.6] — 2026-07-03

Fixed

Changed

[0.5] — 2026-06-25

Fixed

[0.4] — 2026-06-10

Changed

[0.3] — 2026-06-10

Changed

Added

Changed

[0.2] — 2026-06-08

Added

[0.1] — 2026-06-08

Added — initial release