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Defastra pricing: phone validation API

Defastra's sitellms.txtPhone validation API: 40+ providers comparedDefastra: phone validation API alternatives

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56% complete: 5 of the 9 key fields we checkSee the 9 fields
$0.00per 1,000 phonesWe haven't run Defastra through our phone validation API benchmark yet.This plan is free. We rank 768 plans for phone validation APIs by price. Half the plans cost $3.60 per 1,000 phones or less.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, Foxentry and HLR Lookups are the best phone validation API providers in the Datacircle benchmark.
Plan: Free credit one of Defastra's 6 plans
Call: POST /deep_phone_check Defastra's only call for this API
API: Phone validation API one of Defastra's 2 APIs

About this item

  • Live. Defastra checks the phone number you send when you call the API.
  • 5 of the 9 key fields we check. Number, Type, Carrier, Place, Risk.
  • Nothing to pay. You get $2 of credit once, enough for about 28 calls. Calls stop once your credit runs out.
  • One call. You send phone to POST /deep_phone_check. You set the Content-Type header to "application/x-www-form-urlencoded". You can also send timeout and label.
  • Anyone can get it. Keep data: no API terms. Use data: no API terms.

Defastra: phone validation API alternatives

Defastra alternatives: every phone validation API provider ranked

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

Defastra, top-up, Pay as you go, next 50,000 requests a monthByteplant, $2,499.50 packLoqate, $100 packListar, top-up from €1,000, Silver, POST /search/verify-phone-ownershipOpenapi.com, €45 monthly
$ per 1,000 phones$50.00$49.99$50.00$50.639$50.639
Completeness56%56%78%67%78%
Billingpay firstpay firstpay firstpay firstmonthly
Pay$2,900$2,499.50$100€1,000€45
Enough foras many as you pay for50,000 callsas many as you pay forabout 22,222 results1,000 calls a month
Freshnesslivelivelivelivelive
Who can get itanyonebusinesses and professionals with a business emailanyoneanyone whose cumulative spend on credits has reached €1,000 excl. taxanyone acting in the course of their business, entrepreneurial or professional activity

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-03.

  1. docs.defastra.com/docs/data-enrichment-introduction
  2. docs.defastra.com/docs/deep-phone-check-signals
  3. docs.defastra.com/docs/do-you-offer-custom-pricing-for-high-usage
  4. docs.defastra.com/docs/do-you-offer-trial
  5. docs.defastra.com/docs/fraud-prevention-introduction
  6. docs.defastra.com/docs/full-data-list
  7. docs.defastra.com/docs/how-defastra-pricing-works
  8. docs.defastra.com/docs/how-does-my-wallet-gets-debited
  9. docs.defastra.com/docs/response-time-timeout-settings
  10. docs.defastra.com/docs/what-is-a-batch
  11. docs.defastra.com/reference/authentication
  12. docs.defastra.com/reference/deep-phone-check
  13. docs.defastra.com/reference/error-handling

Product details

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

  • Number
  • Formats, not in the answer
  • Validity, not in the answer
  • Type
  • Carrier
  • Porting and roaming, not in the answer
  • Place
  • Risk
  • Owner, not in the answer
Price
$ per 1,000 phones$0.00
Percall
Billingfree
Aggregators
Aggregatorsnone
Charges
Also pays forfrom the same budget: Deep Email Check
Overage
Units caphard
Not found
$ per 1,000$0.00
In their words
Their pitchRisk scoring with real-time data enrichment for phone numbers.
Data
Freshnesslive
What it checksnumbering plan, carrier, messaging apps
Keep datano API terms
Use datano API terms
Plan
Pay$0
You get$2
Enough forabout 28 calls, once
Rate limit
Per second1
Batch1
Speed
Answerin the call
The call
You sendphone, Content-Type header "application/x-www-form-urlencoded". Optional: timeout, label
MethodPOST
Path/deep_phone_check
About the plan
PlanFree credit
Who can get itanyone
The 59 fields the plan's answer can hold

success, request ID, wallet balance, account balance, risk level, risk score, checks, check result type, check detail, phone type, prefix, number without prefix, carrier, country name, country code, country ISO 3 code, time zone, city, state, county, latitude, longitude, phone OS, profiles found, names found, breached, breach count, first breach date, what leaked, breaches, online profiles, service error, is registered, name, email, Facebook URL, picture, profile URL, country, hometown, first name, last name, gender, work, picture last modified, recovery method, multiple accounts, app language, location, registered at, Skype ID, birth date, username, last seen, is verified, about, is business, business name, business category

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