# Waterfall.io, contact us: Email finder API

> Verified emails & profiles, instantly. Find real-time verified emails or match emails to complete business profiles [...] Waterfall enrichment queries vendors in sequence and stops at the first verified answer, so coverage is the union of 30+ sources rather than the ceiling of one.

Waterfall.io's email finder API on its Rates are quoted against your data plan. 7 of the 10 key fields: Confidence, Personal email, Name, Job title, Company, LinkedIn URL, Location.

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

## In the answer

- Completeness: 70%
- Confidence: ✓
- Personal email: ✓
- Name: ✓
- Job title: ✓
- Company: ✓
- LinkedIn URL: ✓
- Location: ✓

## Price

- Billing: contact

## Strengths

- Strengths: catch-all free, checked live, nothing charged when not found

## Charges

- Per: call

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Verified emails & profiles, instantly. Find real-time verified emails or match emails to complete business profiles [...] Waterfall enrichment queries vendors in sequence and stops at the first verified answer, so coverage is the union of 30+ sources rather than the ceiling of one.

## Data

- Freshness: live
- 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: linkedin (a profile URL or slug), or email, or full_name with domain, or first_name and last_name with domain, include_phones, webhook_url, custom_fields
- Method: POST
- Path: /v1/enrichment/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 52 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, 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

## Waterfall.io's plans (1)

- [Waterfall.io, contact us](https://datacircle.dev/find-email-apis/waterfall-io/contact-us/llms.txt): 70% complete, live

## Waterfall.io's calls (1)

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

## Similar plans of other providers

- [FullEnrich, contact us](https://datacircle.dev/find-email-apis/fullenrich/contact-us/llms.txt): 70% complete, live
- [AI Ark, contact us](https://datacircle.dev/find-email-apis/ai-ark/contact-us/llms.txt): 60% complete, live (provider record ID, username, first name, last name, name, headline, current title, profile picture, cover image, birth date, about, LinkedIn URL, Twitter URL, GitHub URL, Facebook URL, location, short location, country, region, city, location coordinates, locale country, locale language, supported locales, languages, industry, schools, school ID, school name, school logo, school URL, school degree, school field of study, school grade, school start date, school end date, certifications, certification name, certification issuer, certification issuer ID, certification issuer URL, certification logo, certification URL, certification license, certification display source, certification issue date, certification expiration date, organizations, organization name, organization position, organization start date, organization end date, volunteering, volunteering title, volunteering company, volunteering cause, volunteering description, volunteering start date, volunteering end date, jobs, job company, job company ID, job company logo, job company URL, job company employee range, job company start date, job company end date, job title, job description, job employment type, job location, job start date, job end date, skills, creator, hiring, open to work, premium, verified, influencer, current department, current sub-department, current job function, current seniority, followers, connections, updated at, company ID, company name, company legal name, company description, company overview, company SEO description, company founded, company type, company industry, company employee count, company employee range, company logo, company website, company domain, company domain LTD, company LinkedIn URL, company Facebook URL, company Twitter URL, company Crunchbase URL, company revenue range, company revenue min, company revenue max, company funding type, company total funding, company last funding amount, company investor count, company funding count, company latest funding date, company funding rounds, company funding round date, company funding round amount, company funding round type, company funding round investors, company stock ticker, company stock URL, company IPO amount raised, company IPO valuation, company IPO share price, company IPO date, company exit count, company exits, company exit ID, company exit name, company exit image, company exit description, company acquisition count, company acquisitions, company acquisition ID, company acquisition name, company acquisition image, company acquisition role, company acquisition date, company investment count, company lead investment count, company investments, company investment ID, company investment name, company investment image, company investment is lead, company investment round ID, company investment round name, company investment round type, company investment round amount, company diversity investment count, company diversity investments, company diversity investment ID, company diversity investment name, company diversity investment image, company diversity investment round ID, company diversity investment round name, company diversity investment round type, company diversity investment round amount, company diversity investment spotlights, company diversity investment date, company IT spend, company HQ continent, company HQ country, company HQ state, company HQ city, company HQ street, company HQ postal code, company HQ address, company HQ coordinates, company locations, company location continent, company location country, company location city, company location street, company location postal code, company location address, company location coordinates, company technologies, company technology name, company technology category, company industries, company keywords, company hashtags, company languages, company sub-organizations, company SIC codes, company NAICS codes, company updated at: 30 days)
- [BetterContact, contact us](https://datacircle.dev/find-email-apis/bettercontact/contact-us/llms.txt): 60% complete, live
- [BowTiedRaccoon on Apify, contact us](https://datacircle.dev/find-email-apis/bowtiedraccoon-on-apify/contact-us/llms.txt): 60% complete, live

## 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/contact-enrichment-launcher
- https://docs.waterfall.io/v1/inline-usage
- https://docs.waterfall.io/v1/introduction
- https://docs.waterfall.io/v1/rate-limit
- https://github.com/Waterfall-io/api-skills/blob/master/skills/waterfall-direct-api/SKILL.md
- https://waterfall-io-public.s3.us-east-1.amazonaws.com/api_specs.yaml
- 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