Waterfall.io pricing and alternatives: people search API, POST /v1/prospector

Waterfall.io's site llms.txt Best people search API in 2026: pricing compared Waterfall.io: people search API alternatives

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23% complete: 3 of the 13 key fields we checkSee the 13 fields

Contact us, Rates are quoted against your data, POST /v1/prospectorWe rank 501 plans by price. Coresignal's $49 monthly plan is the cheapest paid plan per 1,000 people: as little as $0.0000038. Coresignal's $49 monthly plan covers up to 12,960,000 pages a month at no extra cost. Each page holds 1,000 people.PeopleSearch.im's $5 pack (/api/v1/search) covers any number of people. PeopleSearch.im's $5 pack costs less to start than Coresignal's $49 monthly plan.GetProspect, QuickEnrich and AnyAPI are the best people search API providers in our benchmark.

Plan: Rates are quoted against your data Waterfall.io's only plan

Contact us, Rates are quoted against your dataRates are quoted against your data

Call: POST /v1/prospector one of Waterfall.io's 2 calls for this API

API: People search API one of Waterfall.io's 8 APIs

About this item

Freshness. We don't know how fresh this plan's data is.
3 of the 13 key fields we check. Experience, About, Location.
No public price. You ask Waterfall.io for one.
One call. You call POST /v1/prospector. You send domain and one of title_filter or title_filters. The call returns a job. You fetch the answer once the job is done. Or the provider sends the answer to your webhook.
Who can get it: business users 18 or over, who sign after a call. Keep data: set by your agreement with Waterfall, not public. Use data: for internal sales and marketing use or, with our permission, for integration into their products.

Waterfall.io: people search API alternatives

We list other providers' plans with no public price.

	This planWaterfall.io, contact us, Rates are quoted against your data, POST /v1/prospector	Sumble, contact us, Enterprise, POST /v9/people, People	Dealroom, contact us	Xverum, contact us	AI Ark, contact us, Agency & Enterprise Plan, POST /v1/people/preview	BetterContact, contact us	Surfe, contact us
Completeness	23%	23%	31%	23%	23%	23%	15%
Billing	contact	contact	contact	contact	contact	contact	contact
Freshness	unknown	1 day	unknown	stored	30 days	unknown	unknown
Who can get it	business users 18 or over, who sign after a call	anyone who can form a binding contract with Sumble and is at least 18 (the terms: 'You may only use the Services if you can form a binding contract with Company', 'you are at least 18 years of age'), after talking to sales (the pricing page: 'Talk to Sales', the terms: 'Fees specified on the Order Form(s)')	an organisation or person that signs an Order Form with Dealroom.co covering the API (Article 19.1), using its data in its own internal systems (Article 19.5)	a person over 18 or a business entity, not a public authority of, domiciled in or controlled from a Foreign Adversary Country (North Korea, China, Russia, Iran), per the terms' 3.1 and 3.2	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	any legal entity or natural person acting in the course of their professional activities	natural persons with full legal capacity, and entities represented by one, for Commercial use only (no personal, family or household purposes)

Every people search 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 2026-10-26.

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
Location
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	result
Billing	contact

Aggregators
Aggregators	none

Charges
Most per search	500
Also pays for	from the same budget: Contact Enrichment · Phone Enrichment · Search Contact · Search Company · Company Enrichment · Company Reveal · Company Titles · Job Change · Email Verifier

Not found
$ per 1,000	$0.00

In their words
Their pitch	Find contacts at a target company by role, with verified emails and optional phone enrichment.

Data
Keep data	set by your agreement with Waterfall, not public
Use data	for internal sales and marketing use or, with our permission, for integration into their products

Rate limit
Per second	0.83
Batch	1

Speed
Answer	by polling or webhook

The call
You send	domain, one of title_filter or title_filters. Optional: company_name, linkedin, location_name, location_country, location_countries, excluded_names, limit, include_phones, verified_only, webhook_url, custom_fields
Method	POST
Path	/v1/prospector

About the plan
Plan	Rates are quoted against your data
Who can get it	business users 18 or over, who sign after a call

The 66 fields the plan's answer can hold

job status, start date, stop date, input, job ID, context ID, custom fields, company ID, company LinkedIn ID, company name, company domain, company website, company LinkedIn URL, company LinkedIn description, company LinkedIn logo URL, company size, company LinkedIn size, company LinkedIn industry, company LinkedIn type, company LinkedIn followers, company LinkedIn founded year, company LinkedIn employee count, company LinkedIn address, company country, company generic emails, person ID, first name, last name, LinkedIn ID, LinkedIn URL, about, location, country, job title, seniority, department, job history title, job history location, job history company name, job history company LinkedIn ID, job history company LinkedIn URL, job history company domain, job history start year, job history start month, job history start date, job history end year, job history end month, job history end date, job history current, job history description, professional email, personal email, email verified, email confidence, email verified status, domain age days, SMTP provider, MX record, usage total USD, usage balance remaining USD, usage persons count, usage persons USD, usage phones count, usage phones USD, usage companies count, usage companies USD