Datacircle

QuietPass pricing: phone validation API, check

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44% complete: 4 of the 9 fields on our checklistSee the 9 fields

$0.00per 1,000 phonesWe haven't run QuietPass through our phone validation API benchmark yet.This plan is free. We rank 1,148 plans for phone validation APIs by price. Half the plans cost $2.991 per 1,000 phones or less. See the best free phone validation API plan.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 QuietPass plan for that many phones. The table below then sorts the other plans by what each costs.
Plan: Trial credit one of QuietPass's 5 plans
Call: POST /v1/phone/check one of QuietPass's 3 calls
API: Phone validation API QuietPass's only API

About this item

  • Freshness. We don't know how fresh this plan's data is.
  • 4 of the 9 fields on our checklist. Formats, Validity, Type, Place.
  • Nothing to pay. You get $2 of credit. You spend the credit on QuietPass's other calls. This call is free for up to 30,000 calls a month. Calls stop once your credit runs out. Unused credit expires after 14 days.
  • One call. You send phone to POST /v1/phone/check. You set checks to "basic_line_type". You can also send defaultCountry, the Idempotency-Key header and includeDetails. The call returns whether the number is valid.
  • Who can get it: with conditions. Keep data: only as long as needed for a lawful purpose. Use data: with conditions.

QuietPass: phone validation API alternatives

QuietPass alternatives: other phone validation API providers by price

We list other providers' plans closest to this plan in price per 1,000 phones.

This planQuietPass, free, Trial credit, POST /v1/phone/checkTrestle, free trial, GET /3.0/phone_intelAbstract API, freeFoxentry, free trial, POST /phone/validate, Validate phone number (basic)HLR Lookups, free, 100 free lookups, POST /nt-lookupsQubitOn, free
$ per 1,000 phones$0.00$0.00$0.00$0.00$0.00$0.00
Completeness44%56%89%56%67%44%
Billingfreefreefreefreefreefree
Pay$0$0$0$0$0$0
Enough for30,000 calls a month25 calls, once100 calls a monthnot published100 results, once100 calls a month
Freshnessunknownstored1 daystoredstoredstored
Who can get itbusinesses and independent developers acting professionally, aged 18 or over, one trial grant, each registered phone number on one accountcompanies, with a business email addressanyone 18 or olderanyone who signs up and creates an API projectnew accountsanyone

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-07.

  1. quietpass.com/
  2. quietpass.com/docs/
  3. quietpass.com/docs/api/
  4. quietpass.com/guides/line-type-intelligence/
  5. quietpass.com/guides/phone-number-validation/
  6. quietpass.com/paid-credit-terms/
  7. quietpass.com/pricing/
  8. quietpass.com/terms/
  9. quietpass.com/v1/openapi.json

Product details

The key fields this plan's answer can hold, then each filled column in its row on the sheet.

  • Number, not in the answer
  • 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$0.00
Percall
Billingfree
Aggregators
Aggregatorsnone
Charges
Also pays fornothing else
Overage
Units caphard
Not found
$ per 1,000$0.00
In their words
Their pitchCheck phone number details, network information, and linked messaging accounts through one API.
Data
CountriesWorldwide
What it checksnumbering plan
Keep dataonly as long as needed for a lawful purpose
Use datain your own business operations and products, including products and services you provide to your customers [...] Without our separate written approval, you must not resell or sublicense lookup results as a standalone data product, offer a lookup API using QuietPass, or compile a database for use as a standalone lookup service or for resale.
Plan
Pay$0
You get$2
Enough for30,000 calls a month
Expires14 days
Rate limit
Per day1,000
Per second1
Batch1
Speed
Answerin the call
The call
You sendphone, checks "basic_line_type". Optional: defaultCountry, Idempotency-Key header, includeDetails
MethodPOST
Path/v1/phone/check
About the plan
PlanTrial credit
Who can get itbusinesses and independent developers acting professionally, aged 18 or over, one trial grant, each registered phone number on one account
The 43 fields the plan's answer can hold

request ID, mode, simulated, prepared at, E.164 number, national format, international format, country, valid, validation reason, number type, number type reason, SMS supported, SMS support assumed, SMS support basis, SMS support reason, billed amount, billed currency, billing mode, charged, paid checks executed, charged micros, beta charged micros, purchased charged micros, reserved micros, released micros, pricing version, package, package charged micros, package definite answer, observations, observation status, observation value, observation evidence, observation basis, observation reason, observation retrieved at, observation observed at, number type resolution, SMS resolution, conflicts, limitations, definitions

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