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ZelNum pricing and alternatives: phone validation API, POST /detect, Phone Status Check

ZelNum's sitellms.txtBest phone validation API in 2026

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11% complete: 1 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 test one of ZelNum's 6 plans
Call: POST /detect, Phone Status Check one of ZelNum's 50 calls
API: Phone validation API ZelNum's only API

About this item

  • Freshness. We don't know how fresh this plan's data is.
  • 1 of the 9 key fields we check. Validity.
  • Nothing to pay. ZelNum limits how many results you get, but doesn't say how many.
  • One call. You send country and phones to POST /detect. You set product to "phone-status-check". The call returns a job. You fetch the answer once the job is done.
  • Anyone can get it. Keep data: no limit. Use data: with conditions.

ZelNum: phone validation API alternatives

The table starts with ZelNum's cheapest paid plan. Next come plans from other providers with the price per 1,000 phones closest to ZelNum's.

ZelNum, $2,000 pack, Pay as you go, $2,000 top-up, POST /detect, Phone Status CheckProWebLook, $288 yearlyReefAPI, $450 quarterly, Enterprise quarterly, POST /phone-validate/v1/validateAPIFreaks, $20 pack, One-Off 80,000 credits, POST /phone/validation/bulkCheckNumber.AI, top-up from $20, Pay as you go, POST /v1/tasks, Line Checker
$ per 1,000 phones$0.48$0.48$0.50$0.50$0.50
Completeness11%67%67%67%11%
Billingpay firstyearlyquarterlypay firstpay first
Pay$2,000$288$450$20$20
Enough forabout 4,166,666 results50,000 calls a month300,000 calls a month40,000 resultsas many as you pay for
Freshnessunknownstoredstoredstoredunknown
Who can get itanyoneanyoneanyoneanyone 13 or older with a real company or personal email, not for gambling, adult content, dating or the alcohol industryanyone

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 2026-10-28.

  1. api.zelnum.com/api/v1/products
  2. app.zelnum.com/docs/en
  3. zelnum.com/acceptable-use
  4. zelnum.com/hlr-lookup
  5. zelnum.com/hlr-lookup-api
  6. zelnum.com/openapi.yaml
  7. zelnum.com/phone-validation-api
  8. zelnum.com/pricing
  9. zelnum.com/privacy
  10. zelnum.com/terms

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
  • Type, not in the answer
  • Carrier, not in the answer
  • Porting and roaming, not in the answer
  • Place, not in the answer
  • 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: 57 other calls
Not found
$ per 1,000$0.00
In their words
Their pitchValidate large phone lists via API | submit batch jobs, enrich with carrier and line-type data, export clean segments for campaigns and CRM cleanup.
Data
CountriesWorldwide
Keep datano limit
Use dataZelNum is provided for the following purposes only: CRM list cleaning and contact record quality checks. Marketing list hygiene: suppressing invalid, duplicate, unreachable, or wrong-channel records inside lists you are already allowed to process. Fraud, abuse, and risk review of signup, lead, or applicant records. Internal data-quality and compliance support for records you hold a lawful basis to process. Developer integration of validation into your own product through the API. [...] You must not use ZelNum to: Send, or prepare to send, unsolicited messages, spam, or bulk cold outreach of any kind. Harass, threaten, stalk, embarrass, or harm any person, or to find people who do not want to be found. Check numbers or identifiers for which you do not hold a lawful basis and any required consent. Build, resell, or distribute a database of people, or of their platform memberships, as a data broker. Circumvent platform rules, rate limits, or access controls, or resell raw access to the service. Impersonate ZelNum, present results as identity proof, or generate reports that claim identity or consent has been verified. Break any law that applies to you, including data-protection and anti-spam rules such as the GDPR, the ePrivacy Directive, or local equivalents. Access or use the service from, or on behalf of persons or entities in, jurisdictions subject to comprehensive sanctions, or in violation of applicable export-control rules. [...] You must not use ZelNum, or allow anything built on ZelNum to be used, for any of the following: Resale and redistribution of results. Passing ZelNum output to another party as a product, dataset, or service — whether resold, sublicensed, white-labelled, bundled into your own offering, or exposed through an API, dashboard, or file that third parties can query. Using results inside your own business, and inside software you operate for your own customers on their own records, is permitted, trading the output itself is not. Eligibility decisions about people. Using results as a factor in employment, credit, insurance, tenancy, education, or benefits decisions, or as identity verification or a background check. [...] By submitting a phone number, email address, or other identifier, you confirm that you hold a lawful basis for processing it and that you have obtained any consent or permission required by law or by the relevant platform.
Plan
Pay$0
Rate limit
Per second0.17
Batch2,000 to 2,000,000
Speed
Answerby polling
The call
You sendproduct "phone-status-check", country, phones
MethodPOST
Path/detect
About the plan
PlanFree test
Who can get itanyone
The 10 fields the plan's answer can hold

result, checked at, billing status, valid count, invalid count, unknown count, submitted count, total count, cost deducted, cost refunded

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