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NumLookupAPI pricing and alternatives: phone validation API, POST /v1/validate

NumLookupAPI's sitellms.txtBest phone validation API in 2026

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67% complete: 6 of the 9 key fields we checkSee the 9 fields
$0.00per 1,000 phonesWe rank 614 plans by price. Botoi's $199 monthly plan is the cheapest paid plan per 1,000 phones: as little as $0.0066. Botoi's $199 monthly plan covers up to 1,000,000 phones a day.Data247, Abstract API and Listar are the best phone validation API providers in our benchmark.
Plan: Free one of NumLookupAPI's 8 plans
Call: POST /v1/validate one of NumLookupAPI's 2 calls
API: Phone validation API NumLookupAPI's only API

About this item

  • Stored. NumLookupAPI may skip the carrier and answer from stored data. NumLookupAPI doesn't say how old the data is.
  • 6 of the 9 key fields we check. Number, Formats, Validity, Type, Carrier, Place.
  • Nothing to pay. You get 100 requests a month, enough for 100 results. Unused requests expire at the end of each month.
  • One call. You send numbers to POST /v1/validate. You can also send country_code. The call returns whether each number you send is valid.
  • Anyone can get it. Keep data: no limit. Use data: with conditions.

NumLookupAPI: phone validation API alternatives

The table starts with NumLookupAPI's cheapest paid plan. Next come plans from other providers with the price per 1,000 phones closest to NumLookupAPI's. Each plan in the table gives stored data.

NumLookupAPI, $899.99 yearly, large, POST /v1/validateVeriphone, $249 monthly, Enterprise, GET /v3/verify, /v3/verifyAPIFreaks, $10 monthly, Monthly 80,000 credits, POST /phone/validation/bulkReefAPI, $1,200 yearly, Enterprise yearly, POST /phone-validate/v1/validateProWebLook, $499.20 yearly
$ per 1,000 phones$0.25$0.249$0.25$0.333$0.416
Completeness67%78%67%67%67%
Billingyearlymonthlymonthlyyearlyyearly
Pay$899.99$249$10$1,200$499.20
Enough for300,000 results a month1,000,000 calls a month40,000 results a month300,000 calls a month100,000 calls a month
Freshnessstoredstoredstoredstoredstored
Who can get itanyoneanyoneanyone 13 or older with a real company or personal email, not for gambling, adult content, dating or the alcohol industryanyoneanyone

Every phone validation API provider we score, ranked

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-10-18.

  1. api.numlookupapi.com/v1/agent/plans
  2. numlookupapi.com/
  3. numlookupapi.com/agents.md
  4. numlookupapi.com/docs/batch/
  5. numlookupapi.com/docs/openapi.yaml
  6. numlookupapi.com/docs/rate-limit/
  7. numlookupapi.com/docs/validate/
  8. numlookupapi.com/pricing/
  9. numlookupapi.com/products/hlr-lookup-api/
  10. numlookupapi.com/products/phone-validation-api/
  11. numlookupapi.com/terms-of-service/

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
  • 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
Perresult
Billingfree
Aggregators
Aggregatorsnone
Charges
Also pays forfrom the same budget: Validate Phone Number
Not found
$ per 1,000$0.00
In their words
Their pitchSend a phone number in any format and get back whether it is valid, its E.164, national and international formats, its country, carrier and line type.
Data
Freshnessstored
Keep datano limit
Use dataThe Application and its services must be used lawfully and for their intended purposes [...] Users may not use content for purposes outside normal service usage. This includes prohibiting copying, sharing, editing, sublicensing, or selling content, unless explicitly allowed [...] Users may not reproduce or resell the service unless given prior written approval by the Owner.
Plan
Pay$0
You get100 requests a month
Enough for100 results a month
Expiresat the end of each month
Rate limit
Per second0.17
Batch100
Speed
Answerin the call
The call
You sendnumbers. Optional: country_code
MethodPOST
Path/v1/validate
About the plan
PlanFree
Who can get itanyone
The 16 fields the plan's answer can hold

valid, phone number, local format, international format, country calling code, country code, country, location, carrier, line type, E.164 format, national format, RFC 3966 format, possible number, number type, time zone

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