Trestle pricing: phone validation API, GET /2.0/real_contact, Real Contact API

Trestle's site llms.txt Best phone validation API in 2026: providers compared Trestle: phone validation API alternatives

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33% complete: 3 of the 9 key fields we checkSee the 9 fields

$0.00per 1,000 phonesWe rank 721 plans by price. Botoi's $199 monthly plan is the cheapest paid plan per 1,000 phones: as little as $0.0066. Botoi's $199 monthly plan covers up to 1,000,000 phones a day.Data247, Foxentry and Abstract API are the best phone validation API providers in our benchmark.

Plan: Free trial one of Trestle's 3 plans

Call: GET /2.0/real_contact, Real Contact API one of Trestle's 4 calls

API: Phone validation API one of Trestle's 2 APIs

About this item

Stored. Trestle may answer from Trestle's stored data instead of asking the carrier. Trestle doesn't say how old the data is.
3 of the 9 key fields we check. Validity, Type, Owner.
Nothing to pay. You get up to 25 calls in all. Unused calls expire after 14 days.
One call. You send name and phone to GET /2.0/real_contact. 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: phone validation API alternatives

Trestle alternatives: every phone validation API provider ranked

The table starts with Trestle's cheapest paid plan. Next come plans from other providers with the price per 1,000 phones closest to Trestle's. Each plan in the table gives stored data.

	Trestle, top-up from $10, Self-Serve, pay as you go, GET /2.0/real_contact, Real Contact API	Strale, top-up from €10	IPQualityScore, $139.99 monthly	Kendo, $17 monthly	Melissa, $3,200 pack, 1,000,000 Credits, GET /V4/WEB/GlobalPhone/doGlobalPhone
$ per 1,000 phones	$30.00	$22.506	$27.998	$28.333	$32.00
Completeness	44%	56%	89%	22%	56%
Billing	pay first	pay first	monthly	monthly	pay first
Pay	$10	€10	$139.99	$17	$3,200
Enough for	about 333 calls	as many as you pay for	5,000 calls a month	600 calls a month	100,000 calls
Freshness	stored	stored	stored	stored	stored
Who can get it	companies, with a business email address	anyone	companies, with a business email address	anyone 18 or over with authority to bind the company or business the account is for	anyone

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-10-29.

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, not in the answer
Validity
Type
Carrier, not in the answer
Porting and roaming, not in the answer
Place, not in the answer
Risk, not in the answer
Owner

Price
$ per 1,000 phones	$0.00
Per	call
Billing	free

Aggregators
Aggregators	none

Charges
Also pays for	nothing else

Not found
$ per 1,000	$0.00

In their words
Their pitch	Real Contact API is a comprehensive lead verification API that confirms the legitimacy and contactability of your consumer or business data in real-time.

Data
Freshness	stored
What it checks	numbering plan
Keep data	for the duration of this Agreement
Use data	Customer 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 for	25 calls, once
Expires	14 days

Rate limit
Per second	10
Batch	1

Speed
Answer	in the call

The call
You send	name, phone. Optional: first_name, last_name, business.name, email, address.street_line_1, address.street_line_2, address.city, address.state_code, address.postal_code, address.country_code, ip_address, add_ons, source_id
Method	GET
Path	/2.0/real_contact

About the plan
Plan	Free trial
Who can get it	companies, with a business email address

The 6 fields the plan's answer can hold

valid, activity score, line type, contact grade, name match, warnings