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OpenLookup pricing: phone validation API

OpenLookup's sitellms.txtPhone validation API: 40+ providers comparedOpenLookup: phone validation API alternatives

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44% complete: 4 of the 9 key fields we checkSee the 9 fields
$0.00per 1,000 phonesIn our phone validation API benchmark, the best plan from OpenLookup scores 0.0 out of 100. OpenLookup ranks 34th of 40 providers.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 one of OpenLookup's 4 plans
Call: POST /v1/phone/check OpenLookup's only call for this API
API: Phone validation API one of OpenLookup's 2 APIs

About this item

  • Stored. OpenLookup may answer from OpenLookup's stored data instead of asking the carrier. OpenLookup doesn't say how old the data is.
  • 4 of the 9 key fields we check. Number, Validity, Type, Place.
  • Nothing to pay. You get 100 requests a month. Calls stop once your requests run out.
  • One call. You send phone to POST /v1/phone/check. You can also send country. The call returns whether the number is valid.
  • Anyone can get it. Keep data: no limit. Use data: with conditions.

OpenLookup: phone validation API alternatives

OpenLookup alternatives: every phone validation API provider ranked

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

OpenLookup, $49 monthlyContactLint, $99 packBigDataCloud, $9.95 monthly, Bronze, GET /data/phone-number-validateNumLookupAPI, $49.99 monthly, Pro, POST /v1/validate, Batch ValidationCallerAPI, $12,000 monthly, Enterprise transparency $12,000, GET /api/lookup/{phone}
$ per 1,000 phones$0.98$0.99$0.995$0.9998$1.00
Completeness44%56%56%67%78%
Billingmonthlypay firstmonthlymonthlymonthly
Pay$49$99$9.95$49.99$12,000
Enough for50,000 calls a month100,000 calls10,000 calls a month50,000 results a month12,000,000 calls a month
Freshnessstoredstoredstoredstoredstored
Who can get itanyoneanyone with a non-disposable email addressanyone with an account, giving true and complete information about themselves, their business and their contact detailsanyoneanyone who agrees terms with CallerAPI sales ("Exact terms are set in your agreement")

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. openlookup.io
  2. openlookup.io/acceptable-use
  3. openlookup.io/docs/email
  4. openlookup.io/docs/phone
  5. openlookup.io/docs/rate-limits
  6. openlookup.io/openapi.json
  7. openlookup.io/pricing
  8. openlookup.io/terms

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
  • Type
  • Carrier, not in the answer
  • 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 Check · IP Check · Domain Check · IBAN Check · BIC Check · VAT Check · LEI Check · Card BIN Check · ISIN Check · Routing Number Check · Crypto Address Check · ASN Check · Security Headers Check · DNSSEC Check · CAA Check · TLS Check · Typosquat Check · Website Status Check · IPv6 Readiness Check · URL Safety Check · Batch check
Overage
Units caphard
Not found
$ per 1,000$0.00
In their words
Their pitchPhone syntax, country, and line-type classification.
Data
Freshnessstored
What it checksnumbering plan
Keep datano limit
Use dataYou may not use OpenLookup to facilitate spam or robocalling, to launder or clean contact lists obtained without the consent of the people on them, or for any unlawful purpose. [...] The following uses are prohibited: Cleaning or validating email or phone number lists that were purchased, scraped, or otherwise obtained without the consent of the people on them, Preparing, testing, or supporting unsolicited bulk email (spam) or unsolicited robocall/ text campaigns, Attempting to enumerate, harvest, or reverse-engineer valid email addresses or phone numbers using the API's signals, Scanning or probing IP ranges or domains you do not own or operate for purposes beyond the risk-assessment use case the API is provided for, Reselling or rebranding API access without a written agreement with us, Any use that violates applicable law, including data protection law in your or your users' jurisdiction, Attempting to circumvent rate limits, credit limits, or authentication controls
Plan
Pay$0
You get100 requests a month
Enough for100 calls a month
Rate limit
Per second0.17
Batch1
Speed
Answerin the call
The call
You sendphone. Optional: country
MethodPOST
Path/v1/phone/check
About the plan
PlanFree
Who can get itanyone
The 12 fields the plan's answer can hold

phone number, risk score, classification, recommendation, syntax valid, possible number, country code, line type, reachable, degraded, response time, credits remaining

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