# Waterfall.io, contact us: People search API

> Search for contacts by LinkedIn, company identity, or persona filters.

Waterfall.io's people search API on its Rates are quoted against your data plan.

- This page: https://datacircle.dev/people-search-apis/waterfall-io/contact-us
- Get it: https://www.waterfall.io/pricing
- Its API docs: https://docs.waterfall.io/v1/search-contact-launcher
- Sold by: Waterfall.io (https://www.waterfall.io)
- Checked: 2026-10-17

## Price

- Billing: contact

## Charges

- Per: result

## In their words

- Their pitch: Search for contacts by LinkedIn, company identity, or persona filters.

## 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

## Speed

- Answer: in the call

## The call

- You send: contact_linkedin, a company (domain, company_linkedin or company_name), or company filters (company_location_countries, company_industries, company_employee_ranges) with title or experience filters, excluded_names, included_names, title_filters, title_lists, departments, seniorities, location_countries, experience_start_date, experience_start_date_new_hire, page_number, page_size, custom_fields
- Method: POST
- Path: /v1/search/contact

## 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 44 fields in the plan's answer

job status, start date, stop date, input, job ID, context ID, custom fields, person ID, first name, last name, LinkedIn ID, LinkedIn URL, about, location, country, company ID, company LinkedIn ID, company name, company domain, title, seniority, department, experience title, experience location, experience company name, experience company LinkedIn ID, experience company LinkedIn URL, experience company domain, experience start year, experience start month, experience start date, experience end year, experience end month, experience end date, experience is current, experience description, 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

## Waterfall.io's plans (1)

- [Waterfall.io, contact us](https://datacircle.dev/people-search-apis/waterfall-io/contact-us/llms.txt)

## Waterfall.io's calls (1)

- `POST /v1/search/contact`: [Waterfall.io, contact us](https://datacircle.dev/people-search-apis/waterfall-io/contact-us/llms.txt)

## Similar plans of other providers

- [Adapt.io, contact us](https://datacircle.dev/people-search-apis/adapt-io/contact-us/llms.txt)
- [BetterContact, contact us](https://datacircle.dev/people-search-apis/bettercontact/contact-us/llms.txt)
- [Cognism, contact us](https://datacircle.dev/people-search-apis/cognism/contact-us/llms.txt)
- [CompanyEnrich, contact us](https://datacircle.dev/people-search-apis/companyenrich/contact-us/llms.txt)

## Sources

From each provider's own pricing page and docs. We read this row from these pages on 2026-10-17.

- https://docs.waterfall.io/v1/authentication
- https://docs.waterfall.io/v1/inline-usage
- https://docs.waterfall.io/v1/introduction
- https://docs.waterfall.io/v1/rate-limit
- https://docs.waterfall.io/v1/search-contact-filters
- https://docs.waterfall.io/v1/search-contact-launcher
- https://waterfall-io-public.s3.us-east-1.amazonaws.com/api_specs.yaml
- https://waterfall.io/pricing
- https://waterfall.io/terms-of-service
- https://www.waterfall.io/
- https://www.waterfall.io/book-a-call
- https://www.waterfall.io/pricing
- https://www.waterfall.io/privacy-policy
- https://www.waterfall.io/product/contact-enrich
- https://www.waterfall.io/terms-of-service