1Lookup, POST /phone-scrub: 9 phone validation API plans

1Lookup's site llms.txt

11% complete: 1 of the 9 key fieldsSee which

$49.50per 1,000 phonesThe median plan costs $2.70 per 1,000. This plan costs less than 8% of the 113 priced plans.

Plan: Starter one of 1Lookup's 9 plans

Call: POST /phone-scrub one of 1Lookup's 8 calls

About this item

Freshness. 1Lookup doesn't say how fresh an answer is.
1 of the 9 key fields. Risk.
A monthly subscription. You pay $99 for 20,000 credits, enough for 2,000 calls. Unused credits roll over for up to 3 months.
One call. You send phone_number to POST /phone-scrub. The call returns whether the number is valid.
Who can get it: anyone with a business name and a working business email address. Keep data: with conditions. Use data: with conditions.

Compare with similar plans

Other providers' plans with the closest prices per 1,000.

	This plan1Lookup, $99 monthly, Starter, POST /phone-scrub	Melissa, $40 pack, 10,000 Credits, POST /V4/WEB/GlobalPhone/doGlobalPhone	Byteplant, $499.90 pack	IPQualityScore, $5,999.88 yearly	RealPhoneValidation, $25 pack
$ per 1,000	$49.50	$40.00	$49.99	$49.999	$60.00
Completeness	11%	56%	56%	89%	44%
Billing	monthly	pay first	pay first	yearly	pay first
Pay	$99	$40	$499.90	$5,999.88	$25
Enough for	2,000 calls a month	1,000 results	10,000 calls	10,000 calls a month	about 416 calls
Freshness	not published	stored	live	not published	live
Who can get it	anyone with a business name and a working business email address	anyone	businesses and professionals with a business email	companies, with a business email address	businesses only

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-10-20.

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

Price
$ per 1,000	$49.50
Billing	monthly
$ a month	$99

Aggregators
Aggregators	none

Charges
Repeat free	7 days
Per	call
Also pays for	from the same budget: every other 1Lookup product: one universal credit balance

Not found
$ per 1,000	$0.00

In their words
Their pitch	DNC status, line type and risk flags for outreach lists.

Data
Keep data	your subscription term: Output Data may not be retained after the subscription terminates, except as required by law
Use data	we grant you a limited, non-exclusive, non-transferable, non-sublicensable, revocable license to access and use the Service, and to use Output Data, for your internal business purposes during your subscription term, You must not, and must not permit any third party to: Resell, sublicense, rent, lease, distribute, or otherwise make the Service or Output Data available to any third party, except as expressly permitted in writing by us, Build, populate, enrich, or maintain a competing or substitute database, list, or product from Output Data, or use Output Data to train any machine learning or artificial intelligence model, Copy, scrape, cache, or store Output Data beyond what is reasonably necessary for your internal business use, or retain Output Data after your subscription terminates except as required by law, Reverse engineer, decompile, or disassemble any part of the Service, or attempt to discover its source code, underlying data sources, algorithms, or scoring logic, Circumvent or attempt to circumvent any rate limit, quota, usage limit, authentication, or access control, Remove, obscure, or alter any proprietary notice, or misrepresent the source of Output Data, Use the Service to benchmark against a competing product, or publish performance or accuracy comparisons, without our prior written consent, Access the Service by any automated means other than our documented APIs, or use the Service in a manner that interferes with its integrity, security, or performance [...] You must not use the Service, or Output Data, to: Violate any applicable law, regulation, or third-party right, Send, or enable others to send, unlawful telemarketing, robocalls, spam, or unsolicited or non-consented calls, texts, faxes, or emails, Harass, stalk, threaten, defraud, extort, dox, discriminate against, or harm any person, or facilitate any of the foregoing, Determine any person's eligibility for credit, insurance, employment, housing, government benefits, or any other purpose governed by the Fair Credit Reporting Act, as further described in Section 9, Identify, locate, surveil, or track any individual without a lawful basis, or to skip-trace or investigate any individual in violation of law, Collect, compile, enrich, sell, or license personal data without a lawful basis and required consents, Build, train, or improve a competing product, dataset, list, or machine learning or artificial intelligence model, Resell, redistribute, or provide the Service or Output Data to third parties [...]

Plan
Pay	$99
You get	20,000 credits a month
Enough for	2,000 calls a month
Expires	unused credits roll over for up to 3 months

Rate limit
Batch	1

Speed
Answer	in the call

The call
You send	phone_number
Method	POST
Path	/phone-scrub

About the plan
Plan	Starter
Who can get it	anyone with a business name and a working business email address

The 31 fields the plan's answer can hold

success, request ID, request type, input, timestamp, processing time, API version, schema version, credits used, credits remaining, cache hit, cached at, data sources, fallback used, lookup source, fraud score, risk level, risk factors, confidence level, primary action, secondary actions, user message, business rules, matched, phone, formatted phone, phone type code, phone type label, do not call, litigator, processed time