Datacircle

QuantAgentShop pricing: phone validation API

QuantAgentShop's siteThis page as plain textPhone validation API: the best of 50+ providers comparedQuantAgentShop: phone validation API alternatives

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56% complete: 5 of the 9 fields on our checklistSee the 9 fields
$9.90per 1,000 phonesWe haven't run QuantAgentShop through our phone validation API benchmark yet.We rank 1,266 plans for phone validation APIs by price. Half the plans cost $3.55 or less per 1,000 phones. This plan costs less per 1,000 phones than 26% of the 1,266 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. Neutrino API's On-Demand plan costs the least for 10,000 phones a month: $0.80.Trestle, Data247 and Abstract API are the best phone validation API providers in the Datacircle benchmark.
Type a number to see the cheapest QuantAgentShop plan for that many phones. The table below then sorts the other plans by what each costs.
Plan: Pay per call with x402 QuantAgentShop's only plan
Call: POST /v1/phone-check QuantAgentShop's only call for this API
API: Phone validation API one of QuantAgentShop's 6 APIs

About this item

  • Stored. QuantAgentShop may answer from QuantAgentShop's stored data instead of asking the carrier. QuantAgentShop doesn't say how old the 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 number to POST /v1/phone-check. You can also send region. The call returns whether the number is valid.
  • Who can get it: anyone, with no account or API key, paying each call in USDC on Base (x402). Keep data: no limit. Use data: with conditions.

QuantAgentShop: phone validation API alternatives

QuantAgentShop alternatives: other phone validation API providers by price

We list other providers' plans closest to this plan in price per 1,000 phones. Each plan in the table gives stored data.

This planQuantAgentShop, pay as you goTomba, $199 monthlyProWebLook, $4.99 packXverify, $5 packYepAPI, top-up
$ per 1,000 phones$9.90$9.95$9.98$10.00$10.00
Completeness56%11%67%44%44%
Billingpay as you gomonthlypay firstpay firstpay first
Payper call$199$4.99$5any amount
Enough foras many as you pay for20,000 calls a month500 calls500 callsas many as you pay for
Freshnessstoredstoredstoredstoredstored
Who can get itanyone, with no account or API key, paying each call in USDC on Base (x402)anyone 18 or overanyoneanyoneanyone

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-08.

  1. quantagentshop.com
  2. quantagentshop.com/llms.txt
  3. quantagentshop.com/openapi.json
  4. quantagentshop.com/policies
  5. quantagentshop.com/tools/phone-check

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
Price
$ per 1,000 phones$9.90
Percall
Billingpay as you go
Aggregators
Aggregatorsnone
Charges
Also pays fornothing else
In their words
Their pitchPhone number check. Send a number in any format, with a + country code or a region such as GB, returns E.164, international and national formats, valid and possible flags, country code, region, line type (mobile, fixed line, toll free and others), place and time zones.
Data
Freshnessstored
What it checksnumbering plan
Keep datano limit
Use dataWhat this shop makes from your input (PDFs, QR codes, summaries, extractions, grades, scores, hashes and the layout of every result) is yours to use, store and redistribute freely. Data that comes from a third party stays under that source's terms, linked below, where a licence asks for credit, the result carries an attribution line to keep with it. [...] Do not use the service for anything unlawful. [...] Results are provided as they come from public sources and providers, without warranty.
Plan
Payper call
Rate limit
Concurrent1
Batch1
Speed
Answerin the call
The call
You sendnumber. Optional: region
MethodPOST
Path/v1/phone-check
About the plan
PlanPay per call with x402
Who can get itanyone, with no account or API key, paying each call in USDC on Base (x402)
The 16 fields the plan's answer can hold

input, valid, possible, E.164 format, international format, national format, country code, region, line type, location, range carrier, time zones, extension, reason, notice, checked at

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