Knock2 pricing and alternatives: people search API

Knock2's site llms.txt Best cached people search API in 2026

8% complete: 1 of the 13 key fields we checkSee the 13 fields

$0.00per 1,000 peopleThe cheapest of the 227 priced plans is StartupHub.ai, $500 yearly, at $0.0083 per 1,000.

Plan: 7-day free trial one of Knock2's 13 plans

Call: POST /v1/prospect Knock2's only call

POST /v1/prospectFree$0.00 per 1,000

API: People search API one of Knock2's 2 APIs

About this item

Freshness. Knock2 doesn't say how fresh a search's results are.
1 of the 13 key fields we check. Experience.
Nothing to pay.
One call. You send account_id to POST /v1/prospect. You can also send roles, max_contacts and X-Knock-Tenant. The call returns the answer when the provider is quick. When the provider is slow, the call returns a job. You fetch the answer once the job is done.
Who can get it: with conditions. Keep data: no limit. Use data: with conditions.

Knock2: people search API alternatives

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

	This planKnock2, free	Voila Norbert, free	Leadscart, free	LoneScale, free, Free, POST /trigger/contact-sourcing	NinjaPear, free
$ per 1,000	$0.00	$0.00	$0.00	$0.00	$0.00
Completeness	8%	8%	15%	15%	8%
Billing	free	free	free	free	free
Pay	$0	$0	$0	$0	$0
Enough for	not published	50 results, once	not published	not published	10 results, once
Freshness	not published	live	live	not published	live
Who can get it	once per customer, with a payment method on file (Stripe checkout), it converts to the paid plan chosen at sign-up unless cancelled within the 7 days	anyone 18 or over, once per user (not to several accounts made from one IP address)	anyone 18 or older using it for business, once per person and mailbox, not with a temporary email address	any natural or legal person, a natural person uses it for their professional activity, and LoneScale's moderation team validates the account	anyone, for their internal business purposes

People search 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 2026-10-22.

Product details

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

Experience
Education, not in the answer
Skills, not in the answer
Headline, not in the answer
About, not in the answer
Location, not in the answer
Photo, not in the answer
Followers, not in the answer
Connections, not in the answer
Certifications, not in the answer
Languages, not in the answer
Recommendations, not in the answer
Open to work, not in the answer

Price
$ per 1,000	$0.00
Billing	free

Aggregators
Aggregators	none

Charges
Per	result
Also pays for	from the same budget: Contact identified · Auto-prospected contact · Account identified · Other enrichments · Email validation · Buyer signal monitoring · POST /v1/enrich

Not found
$ per 1,000	$0.00

In their words
Their pitch	POST /v1/prospect sources new contacts (e.g. a decision maker) at an account using the buying-committee engine.

Data
Keep data	no limit
Use data	only in line with Knock2's published policies and applicable law, not for service bureau purposes or for the benefit of a third party, you obtain end users' consents and answer for your own privacy compliance

Plan
Pay	$0

Rate limit
Per second	1
Batch	1

Speed
Answer	in the call or by polling

The call
You send	account_id. Optional: roles, max_contacts, X-Knock-Tenant
Method	POST
Path	/v1/prospect

About the plan
Plan	7-day free trial
Who can get it	once per customer, with a payment method on file (Stripe checkout), it converts to the paid plan chosen at sign-up unless cancelled within the 7 days

The 12 fields the plan's answer can hold

account ID, account created, contacts found, contacts already existed, credits charged, person ID, first name, last name, email, job title, LinkedIn URL, role searched