Waterfall Enrichment api, powered by 30+ data vendors

One GTM API to
Track job changes

Search for prospects

Find verified emails

Find mobile numbers

Track job changes

Verify emails

*Waterfall™ aggregates 30+ different data vendors so that you can maximize contact, email and mobile number coverage without signing multiple data vendors or long-term contracts.

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GTM & Revenue leaders at top B2B companies use Waterfall

Why Waterfall?

3 reasons (plus a bonus) why these brands choose Waterfall

Before

All your data vendors

AFTER

>

1

Quality

1

Quality

Before

Incomplete & Outdated Data

You’re working with outdated information. Emails bounce and phone numbers disconnect. Contact profiles don’t match reality.

After

Cleaned, Structured and Verified Data

Every profile verified in real-time. What you see is current, accurate and ready to use.

2

Coverage

2

Coverage

Before

Missing Contact Coverage

You look for complete profiles across multiple platforms. One vendor has North America covered but not Europe, others give you emails but no phones - leaving you with prospects you can't actually reach.

After

Global Contact Coverage

You pull verified contact data that's comprehensive globally. Email, phone, title, company - all accurate and together in one place.

3

Cost

3

Cost

Before

Multiple Vendors, Multiple Costs & Integrations

You pay for the same missing, partial or inaccurate data multiple times across vendors. Credits expire and subscriptions require minimum commitments regardless of actual usage.

After

One Contract & Integration, Complete Access

Pay only for what you actually use. No monthly commitments or short-term credit expiration - scale up or down whenever you need.

+

Support

+

Support

Before

Pending Tickets. Ignored Emails. Limited Product Input

You submit tickets and wait days for answers. Your emails get buried in their inbox. Feature requests are prioritized by contract size, not urgency or potential business impact.

After

Direct Access to Founders & Engineers

Message our team directly in Slack - no tickets, no waiting. Your feedback turns into features in days, and we prioritize by impact, not account size.

Customers

Hear what our customers say about us

Use cases

How teams use Waterfall

From GTM engineers and RevOps to PLG teams, here are the most effective ways our customers use Waterfall to improve data coverage and quality.

Find Contacts

Find contacts by website, job titles & location

Find Verified Emails

Find real-time verified emails

Find Mobile Numbers

Get direct numbers for more connects and conversations with decision-makers

Track Champions

Monitor your best customers in their new positions

Match Emails to Business Profiles

Turn emails into complete business profiles - ready for scoring, segmenting and outreach

Preview
curl --location 'https://api.waterfall.io/v1/prospector' \
--header 'Content-Type: application/json' \
--header 'x-waterfall-api-key: YOURKEY' \
--data '{
    "domain": "stripe.com",
    "title_filter": "(marketing director)",
    "verified_only":false,
   
   
    "limit": 50
}'
View API doc

Prospector API

Preview
curl --location 'https://api.waterfall.io/v1/prospector' \
--header 'Content-Type: application/json' \
--header 'x-waterfall-api-key: YOURKEY' \
--data '{
    "domain": "stripe.com",
    "title_filter": "(marketing director)",
    "verified_only":false,
   
   
    "limit": 50
}'
View API doc

Contact Enrichment API

Preview
curl --location 'https://api.waterfall.io/v1/prospector' \
--header 'Content-Type: application/json' \
--header 'x-waterfall-api-key: YOURKEY' \
--data '{
    "domain": "stripe.com",
    "title_filter": "(marketing director)",
    "verified_only":false,
   
   
    "limit": 50
}'
View API doc

Phone Enrichment API

Preview
curl --location 'https://api.waterfall.io/v1/prospector' \
--header 'Content-Type: application/json' \
--header 'x-waterfall-api-key: YOURKEY' \
--data '{
    "domain": "stripe.com",
    "title_filter": "(marketing director)",
    "verified_only":false,
   
   
    "limit": 50
}'
View API doc

Job Changes API

Preview
curl --location 'https://api.waterfall.io/v1/prospector' \
--header 'Content-Type: application/json' \
--header 'x-waterfall-api-key: YOURKEY' \
--data '{
    "domain": "stripe.com",
    "title_filter": "(marketing director)",
    "verified_only":false,
   
   
    "limit": 50
}'
View API doc

Contact Enrichment API

API Overview

Modular & Scalable GTM API

Everything you need to build reliable data pipelines - from flexible architecture to dedicated developer support

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Unified data schema

One clean, consistent data format for all your contacts and target accounts. No more field mapping headaches or schema changes.

High rate limits

Unlike typical waterfall enrichment vendors who struggle with rate limits, we handle high volumes seamlessly - whether you need 100 or 1,000 requests per minute.

99.99% uptime

True 99.99% uptime with built-in redundancy. With 30+ data vendors, we keep running even if multiple providers go down.

Dedicated onboarding

Direct access to our engineering team via Slack. Get implementation help, custom solutions, and <1hr response times from the people who built it.

Transparent pricing

Usage-based pricing with no surprises. Pay for what you use, scale as you grow, no hidden fees.

Quick start 
curl --location 'https://api.waterfall.io/v1/prospector' \
--header 'Content-Type: application/json' \
--header 'x-api-key: your_key' \
--data '{
  "domain": "salesforce.com",
  "title_filters": "(chief executive officer) OR (chief marketing officer) OR (chief operating officer) OR (chief revenue officer)",
  "location_countries": ["United States","France","Canada"],
  "limit": 10
}'
import requests

url = "https://api.waterfall.io/v1/prospector"
headers = {
  "Content-Type": "application/json",
  "x-api-key": "your_key"
}
data = {
  "domain": "salesforce.com",
  "title_filters": "(chief executive officer) OR (chief marketing officer) OR (chief operating officer) OR (chief revenue officer)",
  "location_countries": ["United States","France","Canada"],
  "limit": 10
}

r = requests.post(url, headers=headers, json=data)
print(r.status_code, r.json())
import fetch from "node-fetch";

const res = await fetch("https://api.waterfall.io/v1/prospector", {
  method: "POST",
  headers: {
    "Content-Type": "application/json",
    "x-api-key": "your_key"
  },
  body: JSON.stringify({
    domain: "salesforce.com",
    title_filters: "(chief executive officer) OR (chief marketing officer) OR (chief operating officer) OR (chief revenue officer)",
    location_countries: ["United States","France","Canada"],
    limit: 10
  })
});

console.log(res.status, await res.json());
99.99% uptime • 30+ sources View API docs →
View API doc

Enterprise-grade security, reliability and compliance

We don’t store, reuse or resell any of your data. On top, our infrastructure design allow us to be up even multiple (hand-vetted) vendors go down.

SOC 2 Type II Certified

While most vendors stop at the required Security module, we went further - achieving the complete compliance suite with Confidentiality and Privacy modules.

GDPR & CCPA

Full GDPR & CCPA compliance with data minimization, processing records, and privacy by design. We're ready for your EU & US data requirements.

Enterprise-grade Security

We don't just claim security; we prove it with the industry's best. Our pen tests are conducted by the same auditors who secure brands like Snowflake and T-Mobile.

Monited by Drata

Continuous security monitoring and compliance automation through Drata. Real-time alerts and regular audits keep us ahead of threats.

Book a call

Every company has different needs. Talk to our team (most likely one of the founders) to share your use case and see how Waterfall can help.