Datacircle

Trestle pricing and alternatives: cached phone validation API

Trestle's sitellms.txt
56% complete: 5 of the 9 key fields we checkSee the 9 fields
$0.00per 1,000 phones
Plan: Free trial one of Trestle's 3 plans
Call: GET /3.0/phone_intel Trestle's only call

About this item

  • Stored. Trestle may skip the carrier and answer from data it keeps. Trestle doesn't say how old the data is.
  • 5 of the 9 key fields we check. Number, Validity, Type, Carrier, Place.
  • Nothing to pay. You get up to 25 calls in all. Unused credit expires after 14 days.
  • One call. You send phone to GET /3.0/phone_intel. You can also send phone.country_hint, add_ons and source_id. The call returns whether the number is valid.
  • Who can get it: companies, with a business email address. Keep data: for the duration of this Agreement. Use data: with conditions.

Trestle: cached 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 stored data, not live data, like this plan.

This planTrestle, freeNeutrino API, freeStrale, freeBotoi, freeVeriphone, free
$ per 1,000$0.00$0.00$0.00$0.00$0.00
Completeness56%67%56%44%67%
Billingfreefreefreefreefree
Pay$0$0$0$0$0
Enough for25 calls, oncenot publishednot published1,000 calls a day1,000 calls a month
Freshnessstoredstoredstoredstoredstored
Who can get itcompanies, with a business email addressanyoneanyone who signs up, one trial credit per email addressanyone 18 or olderanyone with a verified email address

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-10-18.

  1. docs.trestleiq.com/api-reference/phone-validation-api
  2. docs.trestleiq.com/openapi/phone-validation.openapi.yaml
  3. trestleiq.com/knowledge-base/developer-portal-wallet-frequently-asked-questions/
  4. trestleiq.com/knowledge-base/getting-started-with-trestles-developer-portal-wallet/
  5. trestleiq.com/knowledge-base/how-is-trestles-phone-activity-score-calculated/
  6. trestleiq.com/knowledge-base/understanding-trestles-free-api-trial-and-the-api-access-request-process-for-specific-products/
  7. trestleiq.com/knowledge-base/what-is-our-global-phone-validation-coverage/
  8. trestleiq.com/knowledge-base/what-is-the-default-and-max-qps-supported/
  9. trestleiq.com/knowledge-base/what-queries-are-billable/
  10. trestleiq.com/knowledge-base/why-wont-my-email-work-to-signup-for-trestle/
  11. trestleiq.com/phone-validation-api/
  12. trestleiq.com/pricing/
  13. trestleiq.com/terms-of-service/

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
  • Porting and roaming, not in the answer
  • Place
  • Risk, not in the answer
  • Owner, not in the answer
Price
$ per 1,000$0.00
Billingfree
Aggregators
AggregatorsClay: your key no Data Credits, 1 Action per call (Actions start at less than $0.01 each), paid, no fixed price · Databar: your key 0 credits a call on the Build or Scale plan, paid $49.50 · Deepline: paid $21.00 per 1,000 results · treg: your key free, paid $15.00
Charges
Percall
Also pays fornothing else
Not found
$ per 1,000$0.00
In their words
Their pitchValidate phone numbers worldwide, determine carrier name, line type, and prepaid status, and identify disconnected phone numbers with a phone activity score. Our international coverage ensures accurate and reliable phone data across global markets.
Data
Freshnessstored
Keep datafor the duration of this Agreement
Use dataCustomer is authorized to use the Trestle Data for identity verification, lead verification, identity management, caller identification, routing, prioritization use cases, to scrub lists for outbound dialing, and/or for any additional use case(s) expressly set forth on the applicable Order. Customer will not, and shall ensure its Affiliates and Users do not: (a) use the Trestle Data for marketing purposes except to respond to an inbound request, (b) use the Trestle Data in violation of any applicable laws, rules, or regulations or in violation of any third-party right, (c) store or otherwise use the Trestle Data for purposes other than the internal business purposes of the Customer, as contemplated in the applicable Order or Customer Agreement, (d) use the Trestle Data in conjunction with activities prohibited by law, (e) store or cache the Trestle to avoid making additional Queries to the Services, (f) merge stored Trestle Data with other data unless it is coded or tagged to indicate Trestle as its source, or (g) use the Trestle Data for file download in a fixed page format (i.e., create a printable, downloadable directory of personal information). [...] Customer will not: (a) make any Services or Trestle Data available to anyone other than Customer, its Affiliates, and their respective Users, (b) use the Services or Trestle Data for the benefit of anyone other than Customer or its Affiliates, (c) resell, distribute, or otherwise disclose or make available the Services or Trestle Data [...] without the prior written consent of Trestle [...] (h) use the Services or Trestle Data to build a competitive product or service [...] Customer may not use the Services or Trestle Data in connection with any FCRA purpose
Plan
Pay$0
Enough for25 calls, once
Expires14 days
Rate limit
Per second10
Batch1
The call
You sendphone. Optional: phone.country_hint, add_ons, source_id
MethodGET
Path/3.0/phone_intel
About the plan
PlanFree trial
Who can get itcompanies, with a business email address
The 13 fields the plan's answer can hold

phone ID, phone number, valid, activity score, country calling code, country code, country, line type, carrier, prepaid, error code, error message, warnings

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