Datacircle

Proofwire pricing: phone validation API

Proofwire's siteThis page as plain textPhone validation API: the best of 40+ providers comparedProofwire: phone validation API alternatives

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33% complete: 3 of the 9 fields on our checklistSee the 9 fields
$0.00per 1,000 phonesWe haven't run Proofwire through our phone validation API benchmark yet.This plan is free. We rank 1,143 plans for phone validation APIs by price. Half the plans cost $2.998 per 1,000 phones or less. See how many phone validation API plans are free.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.Trestle, Data247 and Abstract API are the best phone validation API providers in the Datacircle benchmark.
Type a number to see the cheapest Proofwire plan for that many phones. The table below then sorts the other plans by what each costs.
Plan: Free Proofwire's only plan
Call: Docs behind sign-up Proofwire's only call for this API
API: Phone validation API one of Proofwire's 5 APIs

About this item

  • Live. Proofwire checks the phone number you send when you call the API.
  • 3 of the 9 fields on our checklist. Type, Carrier, Place.
  • Nothing to pay. You get 100 credits once, enough for 100 calls. Calls stop once your credits run out. Credits never expire.
  • One call. Proofwire shows the call's docs once you sign up.
  • Anyone can get it. Keep data: no limit. Use data: with conditions.

Proofwire: phone validation API alternatives

Proofwire 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 live data.

This planProofwire, freeFoxentry, free trial, POST /phone/validate, Validate phone number (extended)HLR Lookups, free, 100 free lookups, POST /hlr-lookupsseven.io, free test credit, GET /api/lookup/hlrHLR Lookup, free, 200 free credits, POST /batches/{id}/sourcejson, Bulk uploads via API
$ per 1,000 phones$0.00$0.00$0.00$0.00$0.00
Completeness33%56%56%78%89%
Billingfreefreefreefreefree
Pay$0$0$0$0$0
Enough for100 calls, oncenot published100 results, oncenot published200 results, once
Freshnesslivelivelivelivelive
Who can get itanyoneanyone who signs up and creates an API projectnew accountsnew accounts of traders: the customer assures that he is a trader and that the short messages are sent as part of his businessnew accounts with a business email address

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. proofwire.app
  2. proofwire.app/changelog
  3. proofwire.app/compare/twilio-lookup
  4. proofwire.app/docs
  5. proofwire.app/integrations
  6. proofwire.app/legal/acceptable-use
  7. proofwire.app/legal/privacy
  8. proofwire.app/legal/terms
  9. proofwire.app/mcp
  10. proofwire.app/signup

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, not in the answer
  • Validity, not in the answer
  • Type
  • Carrier
  • 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 forfrom the same budget: Email Verify · Email Find · IP Address Verify · Company Profile
Overage
Units caphard
Not found
$ per 1,000$0.00
In their words
Their pitchNumbering plan, line type, live carrier query
Data
Freshnesslive
What it checksnumbering plan, carrier
Keep datano limit
Use dataChecking whether contact details you already hold are real and reachable: cleaning a list before you send to it, screening a signup form, deciding whether a number is worth dialling, scoring an address at checkout. [...] What it is not for: Discovering contact details you do not have. [...] Validating a list you have no right to hold. [...] Sending to people who have not agreed to hear from you. [...] Calling numbers on a Do Not Call registry. [...] Surveillance or profiling of a specific individual. [...] Reselling the raw results as a data product. [...] Have a lawful basis for the data you send us, use the service within the acceptable use policy, and keep your API keys secret.
Plan
Pay$0
You get100 credits
Enough for100 calls, once
Expiresnever
Speed
Answerin the call
The call
You sendDocs behind sign-up
About the plan
PlanFree
Who can get itanyone
The 12 fields the plan's answer can hold

verdict, confidence, risk, evidence, provider trace, credits charged, country code, line type, carrier, portability, recent SIM swap, do-not-call listing

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