Datacircle
Phone validation API

Twilio, free

Twilio's sitellms.txt
$0.00per 1,000 phones
Plan: Free trial one of Twilio's 3 plans
Call: GET /v2/PhoneNumbers/{PhoneNumber} Twilio's only call

About this item

  • Live. The call checks the number when you make it.
  • Nothing to pay. You pay $0. Unused credit expires: 30 days.
  • One call. You send its inputs to GET /v2/PhoneNumbers/{PhoneNumber}. The call returns whether the number is valid.
  • Who can get it: with conditions. Keep data: no limit. Use data: with conditions.

Compare with similar plans

Other providers' plans with the closest prices per 1,000. Like this plan, each is live.

This planTwilio, freeByteplant, freeHLR Lookup, freeRealPhoneValidation, freeTelnyx, $10 pack
$ per 1,000$0.00$0.00$0.00$0.00$1.50
Billingfreefreefreefreepay first
Pay$0$0$0$0$10
Enough for100 calls, once100 calls, once200 results, once100 calls, onceabout 6,666 calls
Freshnesslivelivelivelivelive
Who can get itnew accounts of businesses and professionals, in the trial's countries, for 30 daysbusinesses and professionals with a business email, once eachnew accounts with a business email addressverifiable businesses, one trial a company, not with a free email addressorganization owners of paid accounts (fraud review, card payment, verified mobile number, two-factor authentication, service address)

Sources

From each provider's own pricing page and docs. We read this row from these pages on 2026-10-14.

  1. twilio.com/docs/lookup/lookup-sim-swap
  2. twilio.com/docs/lookup/v2-api
  3. twilio.com/docs/lookup/v2-api/call-forwarding
  4. twilio.com/docs/lookup/v2-api/caller-name
  5. twilio.com/docs/lookup/v2-api/formatting-validation
  6. twilio.com/docs/lookup/v2-api/identity-match
  7. twilio.com/docs/lookup/v2-api/line-status
  8. twilio.com/docs/lookup/v2-api/line-type-intelligence
  9. twilio.com/docs/lookup/v2-api/reassigned-number
  10. twilio.com/docs/lookup/v2-api/sim-swap
  11. twilio.com/docs/lookup/v2-api/sms-pumping-risk
  12. twilio.com/docs/usage/trials
  13. twilio.com/docs/usage/trials/try-out-lookup
  14. twilio.com/en-us/legal/service-country-specific-terms
  15. twilio.com/en-us/legal/service-country-specific-terms/identity-verification
  16. twilio.com/en-us/legal/tos
  17. twilio.com/en-us/user-authentication-identity/lookup
  18. twilio.com/en-us/user-authentication-identity/pricing/lookup

Product details

We list each column of this plan's row on the sheet that has a value.

Price
$ per 1,000$0.00
Billingfree
Charges
Percall
Not found
$ per 1,000$0.00
In their words
Their pitchValidate number format and look up provider and device type to reach verified users via voice and text.
Data
Freshnesslive
Keep datano limit
Use dataany business use, but Line Type Intelligence, SIM Swap, Call Forwarding, Reassigned Number and Identity Match only to validate a consumer's identity, avert fraud or authenticate a transaction: not for marketing or selling, consumer reports, or credit, insurance or employment eligibility, the service not resold or offered to third parties on its own
Plan
Pay$0
Enough for100 calls, once
Expires30 days
Rate limit
Batch1
Speed
Answerin the call
The call
You sendphone number, Fields, CountryCode, FirstName, LastName, AddressLine1, AddressLine2, City, State, PostalCode, AddressCountryCode, NationalId, DateOfBirth, LastVerifiedDate, VerificationSid, PartnerSubId
MethodGET
Path/v2/PhoneNumbers/{PhoneNumber}
About the plan
PlanFree trial
Who can get itnew accounts of businesses and professionals, in the trial's countries, for 30 days
The 14 fields in the plan's answer

E.164 format, local format, country code, country calling code, valid, invalid reason, lookup URL, carrier, line type, mobile country code, mobile network code, error code, caller name, caller type