Waterfall.io

Enrich contacts and find prospects with Waterfall.io

Waterfall.io is a B2B data enrichment platform that provides contact and company information, phone numbers, and email verification. The Cargo integration enables comprehensive prospecting and enrichment workflows.

Authentication

Connect to Waterfall.io using your API key.

Connection details

Field	Description
API Key	Your Waterfall.io API key

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Waterfall.io actions

Enrich company

Retrieve detailed company information.

Configuration

Field	Description
LinkedIn	Company LinkedIn URL or slug
Domain	Company domain or website URL
Name	Company name

Enrich contact

Retrieve contact information including email and profile data.

Configuration

Field	Description
LinkedIn	Contact LinkedIn URL or slug
Full name	Full name of the contact
First name	First name of the contact
Last name	Last name of the contact
Domain	Company domain
Email	Professional or personal email
Include extra fields	Include additional profile fields

Find phone

Retrieve a contact’s phone number.

Configuration

Same fields as Enrich contact, focused on phone number retrieval.

Search prospects

Search for contacts at a company with filtering options.

Configuration

Field	Description
Company domain	Domain of the company (required)
Company name	Company name
LinkedIn	Company LinkedIn handle
Title filter	Filter by job title
Title filters	Multiple title filters
Location country	Contact’s country
Location name	Contact’s city/region
Excluded names	Names to exclude from results
Limit	Maximum number of results

Verify email

Verify if an email address is valid and deliverable.

Configuration

Field	Description
Email	Email address to verify

Detect job change

Detect if a contact has changed jobs. Returns the job change status (MOVED, LEFT, NO_CHANGE, UNKNOWN) and updated person information.

Configuration

Field	Description
Professional email	Work email address of the contact. Required for most lookups unless personal email or contact LinkedIn is provided.
Personal email	Personal email address of the contact. Used as an alternative to professional email.
Company domain	Domain of the company (e.g., deel.com). Helps improve matching accuracy.
Company LinkedIn	LinkedIn URL of the company (e.g., linkedin.com/company/digital-river).
Contact LinkedIn	LinkedIn profile URL of the contact. This input yields the highest coverage when combined with company domain.

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Credits

Action	Cost
Enrich company	1 credit
Enrich contact	2 credits
Find phone	7 credits
Search prospects	3 credits per result
Verify email	0.1 credits
Detect job change	3 credits

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Use cases

Contact enrichment

Enrich leads with email, phone, and profile data.

Prospecting

Find contacts at target companies by title and location.

Phone outreach

Get direct dial phone numbers for sales outreach.

Email verification

Verify emails before adding to campaigns.

Job change detection

Detect when contacts change jobs to re-engage churned champions or identify new opportunities.

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Best practices

1. Provide multiple identifiers - LinkedIn + domain improves match rates
2. Use title filters - Target specific roles with title filter syntax
3. Verify before sending - Use email verification to protect deliverability