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CallerAPI pricing and alternatives: phone validation API, GET /api/lookup/{phone}

CallerAPI's sitellms.txtBest phone validation API in 2026
78% complete: 7 of the 9 key fields we checkSee the 9 fields
$3.988per 1,000 phonesHalf of the 237 plans we rank by price cost $5.401 per 1,000 or less. This plan costs less than 66% of the 237 plans.The cheapest plan we rank by price is Twilio, top-up, at $0.00 per 1,000.
Plan: Enterprise one of CallerAPI's 12 plans
Call: GET /api/lookup/{phone} one of CallerAPI's 4 calls
API: Phone validation API CallerAPI's only API

About this item

  • Freshness. We don't know how fresh this plan's data is.
  • 7 of the 9 key fields we check. Number, Formats, Validity, Type, Carrier, Porting and roaming, Place.
  • A pack you buy once. You pay $997 for 250,000 credits, enough for 250,000 calls.
  • One call. You send phone to GET /api/lookup/{phone}. You can also send hlr. The call returns whether the number is valid.
  • Who can get it: anyone with a Google account. Keep data: no limit. Use data: with conditions.

CallerAPI: phone validation API alternatives

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

This planCallerAPI, $997 pack, Enterprise, GET /api/lookup/{phone}HLR Lookup, $1,199.52 packCommPeak, top-up from $25Dexatel, pay as you go, 2M - 5M lookupsPlivo, top-up from $25ClearoutPhone, $400 pack, One Time 100,000 credits, POST /v1/phonenumber/validate
$ per 1,000$3.988$3.998$4.00$4.00$4.00$4.00
Completeness78%89%78%67%67%56%
Billingpay firstpay firstpay firstpay as you gopay firstpay first
Pay$997$1,199.52$25monthly$25$400
Enough for250,000 calls300,000 results6,250 callsas many as you pay for6,250 calls100,000 calls
Freshnessunknownliveliveliveunknownunknown
Who can get itanyone with a Google accountanyoneanyone at least 18 years old with the legal capacity to enter a binding agreement, with an account on a valid email addressanyone who passes Dexatel’s account verification, 18 or olderanyone with a Plivo account that Plivo support has subscribed to the Lookup Serviceanyone

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 2026-10-25.

  1. callerapi.com/buy/enterprise
  2. callerapi.com/carrier-lookup-api
  3. callerapi.com/llms.txt
  4. callerapi.com/lrn-lookup-api
  5. callerapi.com/pricing
  6. callerapi.com/terms-of-service
  7. docs.callerapi.com/announce-a-call-43957286e0.md
  8. docs.callerapi.com/balance-and-email-20033243e0.md
  9. docs.callerapi.com/limits-and-thresholds-2432315m0.md
  10. docs.callerapi.com/score-a-transcript-or-a-recording-43843796e0.md
  11. docs.callerapi.com/spam-score-hlr-19887237e0.md

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
  • Place
  • Risk, not in the answer
  • Owner, not in the answer
Price
$ per 1,000$3.988
Billingpay first
Aggregators
Aggregatorsnone
Charges
Percall
Also pays forfrom the same budget: Carrier lookup API · Score a transcript or a recording · Announce a call
In their words
Their pitchCarrier lookup API that returns the current network, the line type and the port status.
Data
Keep datano limit
Use data"You may not: Use the Service for any illegal purpose, Attempt to reverse engineer the Service, Share your API key or access credentials with third parties, Use the Service in a manner that could damage, disable, or impair our servers or networks" (Terms of Service 3), "You must obtain and maintain all necessary consents from individuals whose data you access or collect through the Service" (4), "a limited, non-exclusive, non-transferable license to use the Service in accordance with these Terms" (5)
Plan
Pay$997
You get250,000 credits
Enough for250,000 calls
Rate limit
Batch1
Speed
Answerin the call
The call
You sendphone. Optional: hlr
MethodGET
Path/api/lookup/{phone}
About the plan
PlanEnterprise
Who can get itanyone with a Google account
The 38 fields the plan's answer can hold

phone number, status, entity type, reputation, spam flag, spam score, total complaints, complaint created date, complaint violation date, complaint consumer state, complaint subject, complaint robocall flag, complaint comment, business name, business category, business industry, business city, business state, business country, business verified, country calling code, country ISO code, country name, carrier, carrier type, OCN, SPID, original carrier, original SPID, landline, mobile, local format, LRN, MSISDN, ported, ported date, line type, valid

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