Phone validation API
Twilio, top-up
$0.00per 1,000 phonesThe median plan costs $3.313 per 1,000. This plan costs less than 96% of the 97 priced plans.
Plan: Pay-as-you-go one of Twilio's 3 plans
Call:
GET / v2/ PhoneNumbers/ {PhoneNumber} Twilio's only callAbout this item
- Live. The call checks the number when you make it.
- You buy a pack of credits, then spend them on calls.
- One call. You send its inputs to
GET /. The call returns whether the number is valid.v2/ PhoneNumbers/ {PhoneNumber} - Who can get it: businesses and professionals only. 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, top-up | Byteplant, free | HLR Lookup, free | RealPhoneValidation, free | Telnyx, $10 pack | |
|---|---|---|---|---|---|
| $ per 1,000 | $0.00 | $0.00 | $0.00 | $0.00 | $1.50 |
| Billing | pay first | free | free | free | pay first |
| Pay | any amount | $0 | $0 | $0 | $10 |
| Enough for | no limit | 100 calls, once | 200 results, once | 100 calls, once | about 6,666 calls |
| Freshness | live | live | live | live | live |
| Who can get it | businesses and professionals only | businesses and professionals with a business email, once each | new accounts with a business email address | verifiable businesses, one trial a company, not with a free email address | organization 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.
- twilio.com/docs/lookup/lookup-sim-swap
- twilio.com/docs/lookup/v2-api
- twilio.com/docs/lookup/v2-api/call-forwarding
- twilio.com/docs/lookup/v2-api/caller-name
- twilio.com/docs/lookup/v2-api/formatting-validation
- twilio.com/docs/lookup/v2-api/identity-match
- twilio.com/docs/lookup/v2-api/line-status
- twilio.com/docs/lookup/v2-api/line-type-intelligence
- twilio.com/docs/lookup/v2-api/reassigned-number
- twilio.com/docs/lookup/v2-api/sim-swap
- twilio.com/docs/lookup/v2-api/sms-pumping-risk
- twilio.com/docs/usage/tutorials/how-to-use-your-free-trial-account
- twilio.com/en-us/legal/service-country-specific-terms
- twilio.com/en-us/legal/service-country-specific-terms/identity-verification
- twilio.com/en-us/legal/tos
- twilio.com/en-us/user-authentication-identity/lookup
- 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.
| $ per 1,000 | $0.00 |
|---|---|
| Billing | pay first |
| Per | call |
|---|---|
| Extra fields | carrier, line type, mobile country code, mobile network code, error code: +$8.00 · caller name, caller type, error code: +$10.00 · line status, error code: +$7.00 · first name match, last name match, address match, city match, state match, postal code match, address country match, national ID match, date of birth match, identity match score, error code, error message: +$100.00 · last verified date, reassigned, error code: +$20.00 |
| $ per 1,000 | $0.00 |
|---|
| Their pitch | Validate number format and look up provider and device type to reach verified users via voice and text. |
|---|
| Freshness | live |
|---|---|
| Keep data | no limit |
| Use data | any 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 |
| Enough for | no limit |
|---|
| Batch | 1 |
|---|
| Answer | in the call |
|---|
| You send | phone number, Fields, CountryCode, FirstName, LastName, AddressLine1, AddressLine2, City, State, PostalCode, AddressCountryCode, NationalId, DateOfBirth, LastVerifiedDate, VerificationSid, PartnerSubId |
|---|---|
| Method | GET |
| Path | /v2/PhoneNumbers/{PhoneNumber} |
| Plan | Pay-as-you-go |
|---|---|
| Who can get it | businesses and professionals only |
The 13 fields in the plan's answer
E.164 format, local format, country code, country calling code, valid, invalid reason, lookup URL, carrier risk category, number blocked, number blocked date, number blocked in the last 3 months, SMS pumping risk score, error code