Sixtyfour pricing and alternatives: phone finder API

Sixtyfour's site llms.txt Best phone finder API in 2026

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27% complete: 3 of the 11 key fields we checkSee the 11 fields

$0.00per 1,000 phonesWe rank 529 plans by price. QuickEnrich's $399 monthly plan costs the least per 1,000 phones: as little as $0.0015. QuickEnrich's $399 monthly plan covers up to 259,200,000 phones a month at no extra cost.MillionPhones, AI Ark and Fiber AI are the best phone finder API providers in our benchmark.

Plan: Free one of Sixtyfour's 3 plans

Call: POST /find-phone Sixtyfour's only call for this API

POST /find-phoneFree$0.00 per 1,000

API: Phone finder API one of Sixtyfour's 11 APIs

About this item

Freshness. We don't know how fresh this plan's data is.
3 of the 11 key fields we check. Number, Name, Links.
Nothing to pay. You get 64 credits a month, enough for about 21 calls. Calls stop once your credits run out. Unused credits expire: does not roll over.
One call. You send lead to POST /find-phone. The call returns the phone number.
Who can get it: anyone aged 18 or over. Keep data: no limit. Use data: with conditions.

Sixtyfour: phone finder API alternatives

We list other providers' plans closest to this plan in price per 1,000 phones.

	This planSixtyfour, free	MillionPhones, free, POST /tables/{id}/enrich	AI Ark, free plan, POST /v1/people/mobile-phone-finder	Fiber AI, free, Cardless API trial, POST /v1/contact-details/single	treg, free	OneShot, free
$ per 1,000 phones	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00
Completeness	27%	36%	18%	36%	36%	64%
Billing	free	free	free	free	free	free
Pay	$0	$0	$0	$0	$0	$0
Enough for	about 21 calls a month	5 results a year	20 calls a month	about 33 calls, once	about 8 calls, once	about 9 calls, once
Freshness	unknown	1 month	30 days	unknown	unknown	unknown
Who can get it	anyone aged 18 or over	Established company domains, a newer domain on request, until November 30, 2026 new accounts get 1,000 credits instead of 50	anyone 18 or over with authority to bind the company or organization the account is for, not in a US-embargoed country or on a US restricted-party list	anyone with a work email, one trial per company domain, to use only in the United States	a new account once its email is verified, for one team (aliases of one inbox share one), 16 or over	anyone, consumer or business, not in a country under a U.S. government embargo or on a U.S. restricted-party list, with a new personal workspace (its console claims the credit)

Every phone finder API provider we score, ranked

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-10-27.

Product details

The key fields this plan's answer can hold, then each filled column in its row on the sheet.

Number
Line type, not in the answer
Verification, not in the answer
Do not call, not in the answer
Country, not in the answer
Name
Job, not in the answer
Links
Place, not in the answer
Company, not in the answer
Email, not in the answer

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

Aggregators
Aggregators	none

Charges
Also pays for	from the same budget: Company Intelligence · People Intelligence · Deep Investigations · Bulk Intelligence · Find Email · Verify Email · Reverse Email · Reverse Phone · QA Agent · Age Verification · Deep Search · Lookalike Search · Filter Search · Search Export · Enrich LinkedIn Profile

Overage
Units cap	hard

Not found
$ per 1,000	$0.00

In their words
Their pitch	Send what you know about a person and get back a phone number.

Data
Keep data	no limit
Use data	"The Content and Marks are provided in or through the Services \"AS IS\" for your internal business purpose only." "[...] no part of the Services and no Content or Marks may be copied, reproduced, aggregated, republished, uploaded, posted, publicly displayed, encoded, translated, transmitted, distributed, sold, licensed, or otherwise exploited for any commercial purpose whatsoever, without our express prior written permission." "You may not access or use the Services for any purpose other than that for which we make the Services available. The Services may not be used in connection with any commercial endeavors except those that are specifically endorsed or approved by us." "As a user of the Services, you agree not to: Systematically retrieve data or other content from the Services to create or compile, directly or indirectly, a collection, compilation, database, or directory without written permission from us. [...] Use any information obtained from the Services in order to harass, abuse, or harm another person. [...] Use the Services in a manner inconsistent with any applicable laws or regulations. [...] Engage in any automated use of the system, such as using scripts to send comments or messages, or using any data mining, robots, or similar data gathering and extraction tools. [...] Interfere with, disrupt, or create an undue burden on the Services or the networks or services connected to the Services. [...] Except as may be the result of standard search engine or Internet browser usage, use, launch, develop, or distribute any automated system, including without limitation, any spider, robot, cheat utility, scraper, or offline reader that accesses the Services, or use or launch any unauthorized script or other software. [...] Use the Services as part of any effort to compete with us or otherwise use the Services and/or the Content for any revenue-generating endeavor or commercial enterprise. Use the Services to advertise or offer to sell goods and services. Sell or otherwise transfer your profile."

Plan
Pay	$0
You get	64 credits a month
Enough for	about 21 calls a month
Expires	does not roll over

Rate limit
Batch	1

Speed
Answer	in the call
Median	8.13 s

The call
You send	lead
Method	POST
Path	/find-phone

About the plan
Plan	Free
Who can get it	anyone aged 18 or over

The 4 fields the plan's answer can hold

name, LinkedIn URL, phone, credits charged