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Telnyx pricing and alternatives: phone validation API

Telnyx's sitellms.txt
78% complete: 7 of the 9 key fields we checkSee the 9 fields
$1.50per 1,000 phonesThe median plan costs $5.00 per 1,000. This plan costs less than 73% of the 195 priced plans.The cheapest plan is Twilio, top-up, at $0.00 per 1,000.
Plan: Pay as you go one of Telnyx's 3 plans
Call: GET /number_lookup/{phone_number} Telnyx's only call
API: Phone validation API Telnyx's only API

About this item

  • Live. The call checks the number when you make it.
  • 7 of the 9 key fields we check. 6 are in the plan's price: Formats, Validity, Type, Carrier, Porting and roaming, Place. 1 costs extra: Owner.
  • A balance you top up. You pay $10 or more. You spend all of it on calls. $10 is enough for about 6,666 calls.
  • One call. You send phone_number to GET /number_lookup/{phone_number}. You can also send type. The call returns whether the number is valid.
  • Who can get it: with conditions. Keep data: no limit. Use data: with conditions.

Telnyx: phone validation API alternatives

We list other providers' plans closest to this plan in price per 1,000 phones. Each plan in the table gives live data, like this plan.

This planTelnyx, top-up from $10APIFreaks, $20 pack, One-Off 80,000 credits, POST /phone/validationCheckThatPhone, $100 monthlyPhone-Check.app, $5.59 pack, 5,000 Credits, GET /v1-get-phone-detailsXverify, $1,500 pack
$ per 1,000$1.50$0.50$1.00$1.118$1.50
Completeness78%67%78%78%44%
Billingpay firstpay firstmonthlypay firstpay first
Pay$10$20$100$5.59$1,500
Enough forabout 6,666 calls40,000 calls100,000 calls a month5,000 calls1,000,000 calls
Freshnesslivelivelive (deactivation date, state DNC: 7 days)livelive
Who can get itorganization owners of paid accounts (fraud review, card payment, verified mobile number, two-factor authentication, service address)anyone 13 or older with a real company or personal email, not for gambling, adult content, dating or the alcohol industryanyoneanyoneanyone

Phone validation API plans

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-10-23.

  1. developers.telnyx.com/api-reference/number-lookup/lookup-phone-number-data
  2. developers.telnyx.com/docs/account-setup/account-upgrade
  3. developers.telnyx.com/docs/account-setup/levels-and-capabilities/paid
  4. developers.telnyx.com/docs/account-setup/levels-and-capabilities/trial
  5. developers.telnyx.com/docs/development/api-fundamentals/reliability/rate-limiting
  6. developers.telnyx.com/docs/identity/number-lookup
  7. developers.telnyx.com/docs/identity/number-lookup/quickstart
  8. support.telnyx.com/en/articles/4280500-billing-setup-billing-groups
  9. support.telnyx.com/en/articles/4366901-your-number-lookup-guide
  10. telnyx.com/pricing/number-lookup
  11. telnyx.com/products/number-lookup
  12. telnyx.com/terms-and-conditions-of-service

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
  • Carrier
  • Porting and roaming
  • Place
  • Risk, not in the answer
  • Ownercosts more
Price
$ per 1,000$1.50
Billingpay first
Aggregators
Aggregatorsnone
Charges
Percall
Extra fieldscarrier, mobile country code, mobile network code, normalized carrier: +$2.50 · caller name, error code: +$3.00 · enhanced caller name, enhanced caller name error code: +$20.00 · caller identity name, caller identity street line 1, caller identity street line 2, caller identity city, caller identity state code, caller identity postal code, caller identity ZIP+4, caller identity country code, caller identity confidence score, caller identity error code: +$44.00
Also pays forfrom the same budget: every other Service charged against the funds on deposit
In their words
Their pitchTelnyx Number Lookup finds the carrier and caller information behind each phone number. Use it to increase outbound calling productivity, improve message deliverability, and protect against spam and fraud.
Data
Freshnesslive
Keep datano limit
Use dataCustomer hereby represents and warrants that (a) Customer shall access and/or use such Services solely for purposes of (i) routing, rating or billing telephone calls, or (ii) performing network maintenance in connection with the provision of telecommunications-related services, and (b) Customer has signed an NPAC (Number Portability Administration Center) user agreement for acceptable use of data in all regions [...] Customer does not have any right, title, or interest to any data contained within any database associated with the Services
Plan
Pay$10
You get$10
Enough forabout 6,666 calls
Rate limit
Batch1
Speed
Answerin the call
The call
You sendphone_number. Optional: type
MethodGET
Path/number_lookup/{phone_number}
About the plan
PlanPay as you go
Who can get itorganization owners of paid accounts (fraud review, card payment, verified mobile number, two-factor authentication, service address)
The 17 fields the plan's answer can hold

country code, national format, E.164 format, valid number, LRN, ported, ported date, OCN, line type, SPID, SPID carrier name, SPID carrier type, alternate SPID, alternate SPID carrier name, alternate SPID carrier type, city, region

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