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Z-API pricing: phone validation API, GET /instances/{instanceId}/token/{token}/phone-exists/{phone}

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22% complete: 2 of the 9 key fields we checkSee the 9 fields

$0.00per 1,000 phonesWe haven't run Z-API through our phone validation API benchmark yet.This plan is free. We rank 888 plans for phone validation APIs by price. Half the plans cost $3.376 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 trial, 2 days one of Z-API's 19 plans
Call: GET /instances/{instanceId}/token/{token}/phone-exists/{phone} one of Z-API's 2 calls
API: Phone validation API Z-API's only API

About this item

  • Freshness. We don't know how fresh this plan's data is.
  • 2 of the 9 key fields we check. Formats, Validity.
  • Nothing to pay. Z-API limits how many calls you get but gives no number.
  • One call. You send instanceId and phone to GET /instances/{instanceId}/token/{token}/phone-exists/{phone}. The call returns whether the number is valid.
  • Who can get it: anyone, no credit card. Keep data: no API terms. Use data: with conditions.

Z-API: phone validation API alternatives

Z-API alternatives: every phone validation API provider ranked

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

This planZ-API, free trial, 2 days, GET /instances/{instanceId}/token/{token}/phone-exists/{phone}Foxentry, free trial, POST /phone/validate, Validate phone number (basic)HLR Lookups, free, 100 free lookups, POST /nt-lookupsAbstract API, freeseven.io, free test credit, GET /api/lookup/hlr
$ per 1,000 phones$0.00$0.00$0.00$0.00$0.00
Completeness22%56%67%89%78%
Billingfreefreefreefreefree
Pay$0$0$0$0$0
Enough fornot publishednot published100 results, once100 calls a monthnot published
Freshnessunknownstoredstored1 daylive
Who can get itanyone, no credit cardanyone who signs up and creates an API projectnew accountsanyone 18 or oldernew accounts of traders: the customer assures that he is a trader and that the short messages are sent as part of his business

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-02.

  1. developer.z-api.io/_llms/en/api-reference.txt
  2. developer.z-api.io/en/contacts/get-iswhatsapp
  3. developer.z-api.io/en/contacts/get-iswhatsapp-batch
  4. developer.z-api.io/en/quickstart/introduction
  5. z-api.io/pricing

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, 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
Percall
Billingfree
Aggregators
Aggregatorsnone
Charges
Also pays for217 other calls
Not found
$ per 1,000$0.00
In their words
Their pitchUse this API whenever you want to check if a number has an application account, usually for form validation.
Data
What it checksmessaging apps
Keep datano API terms
Use dataOur REST API and Webhooks infrastructure is intended exclusively for technical interoperability between business systems (ERPs, CRMs and requested transactional notifications). Using it for bulk messaging, unsolicited communications (SPAM) or violating third-party terms of use is strictly prohibited and results in immediate account termination.
Plan
Pay$0
Rate limit
Batch1
Speed
Answerin the call
The call
You sendinstanceId, phone
MethodGET
Path/instances/{instanceId}/token/{token}/phone-exists/{phone}
About the plan
PlanFree trial, 2 days
Who can get itanyone, no credit card
The 3 fields the plan's answer can hold

status, formatted number, WhatsApp LID

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