HALOWERK pricing: phone validation API
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56% complete: 5 of the 9 fields on our checklistSee the 9 fields
$1.00per 1,000 phonesWe haven't run HALOWERK through our phone validation API benchmark yet.We rank 1,398 plans for phone validation APIs by price. Half the plans cost $3.518 or less per 1,000 phones. This plan costs less per 1,000 phones than 67% of the 1,398 plans.GuGuData's CNY 124 (about $19) monthly plan is the cheapest paid plan per 1,000 phones. GuGuData's CNY 124 (about $19) monthly plan charges nothing per call. You get as many phones as GuGuData's rate limit allows. Keyronne's pay-as-you-go plan costs the least for 10,000 phones a month: $0.20.Trestle, Signal House and Data247 are the best phone validation API providers in the Datacircle benchmark.
Plan: x402 HALOWERK's only plan
Call:
POST / HALOWERK's only call for this APIAPI: Phone validation API one of HALOWERK's 8 APIs
- Business verification API
- Company enrichment API
- Domain WHOIS API
- Email verification API
- Phone validation API
- Tech stack API
POST /stack - Tech stack API
POST /stack/ batch - Tech stack API
POST /stack/ batch/ 25 - Tech stack API
POST /v1/ tech/ detect - Web scraping API
POST /batch/ extract - Web scraping API
POST /extract - IP company lookup API
POST /ip - IP company lookup API
POST /ip/ batch - IP company lookup API
POST /v1/ ip/ reputation
About this item
- Freshness. We don't know how fresh this plan's data is.
- 5 of the 9 fields on our checklist. Number, Formats, Validity, Type, Place.
- Nothing to buy first. You pay per call.
- One call. You send
phonetoPOST /. You can also sendv1/ phone/ parse default_. The call returns whether the number is valid.country - Anyone can get it. Keep data: no API terms. Use data: no API terms.
HALOWERK: phone validation API alternatives
HALOWERK alternatives: other phone validation API providers by price
We list other providers' plans closest to this plan in price per 1,000 phones.
| This planHALOWERK, pay as you go | CallerAPI, $12,000 monthly, Enterprise transparency $12,000, GET /api/lookup/{phone} | ReefAPI, $50 monthly, Ultra monthly, POST /phone-validate/v1/validate | DomScan, $10 pack, 10,000 credits, POST /v1/phone/validate/bulk | apipick, $5 pack, 5,000 credits, POST /api/check-china-phone | Foundry, pay as you go | |
|---|---|---|---|---|---|---|
| $ per 1,000 phones | $1.00 | $1.00 | $1.00 | $1.00 | $1.00 | $1.00 |
| Completeness | 56% | 78% | 67% | 67% | 33% | 67% |
| Billing | pay as you go | monthly | monthly | pay first | pay first | pay as you go |
| Pay | per call | $12,000 | $50 | $10 | $5 | per call |
| Enough for | as many as you pay for | 12,000,000 calls a month | 50,000 calls a month | 10,000 results | 5,000 calls | as many as you pay for |
| Freshness | unknown | stored | stored | stored | unknown | unknown |
| Who can get it | anyone | anyone who agrees terms with CallerAPI sales ("Exact terms are set in your agreement") | anyone | anyone | anyone | anyone with a wallet paying each call in USDC on Base (x402), with no account or API key |
Sources
From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-10.
Product details
The key fields this plan's answer can hold, then each filled column in its row on the sheet.
- Number
- Formats
- Validity
- Type
- Carrier, not in the answer
- Porting and roaming, not in the answer
- Place
- Risk, not in the answer
- Owner, not in the answer
| $ per 1,000 phones | $1.00 |
|---|---|
| Per | call |
| Billing | pay as you go |
| Aggregators | none |
|---|
| Also pays for | nothing else |
|---|
| $ per 1,000 calls that find nothing | $0.00 |
|---|
| Their pitch | Nimmt jede Schreibweise, erkennt die Landeskennzahl aus 150 Vorwahlen, ergaenzt bei nationaler Schreibweise das Standardland, zerlegt in Vorwahl und Teilnehmernummer und bestimmt fuer Deutschland Festnetz, Mobilfunk und Sonderrufnummern mit Kostenhinweis. |
|---|
| Countries | Worldwide |
|---|---|
| What it checks | numbering plan |
| Keep data | no API terms |
| Use data | no API terms |
| Pay | per call |
|---|
| Batch | 1 |
|---|
| Answer | in the call |
|---|
| You send | phone. Optional: default_country |
|---|---|
| Method | POST |
| Path | /v1/phone/parse |
| Plan | x402 |
|---|---|
| Who can get it | anyone |
The 15 fields the plan's answer can hold
input, E.164 number, valid, country code, country, national number, area code, subscriber number, line type, line type note, international format, national format, RFC 3966 format, hints, note