FullEnrich website screenshot

FullEnrich

FullEnrich is a B2B contact enrichment platform that finds verified business emails and mobile phone numbers by running a waterfall across 15+ data vendors. Its API accepts contacts by name plus company (domain or company name) or LinkedIn URL, submits them for bulk enrichment, and returns the most probable work email, personal email, and mobile phone, billing credits only when data is found.

FullEnrich publishes 3 APIs on the APIs.io network: Account API, Contact Enrichment API, and Reverse Email Lookup API. Tagged areas include B2B Data, Contact Enrichment, Email Finder, Phone Finder, and Waterfall Enrichment.

FullEnrich’s developer surface includes authentication, documentation, engineering blog, and 9 more developer resources.

🌐 Visit website 📡 Source on GitHub
41.9/100 thin ▬ flat Agent 31/100 agent aware Full breakdown ↓
scored 2026-08-03 · rubric v0.9
AccessFreemiumSelf serveFree trial⚡ Free to try
3 APIs
B2B DataContact EnrichmentEmail FinderPhone FinderWaterfall EnrichmentSales Intelligence

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-03 · rubric v0.9
Composite quality — 41.9/100 · thin
Contract Quality 15.9 / 25
Developer Ergonomics 4.3 / 20
Commercial Clarity 9.5 / 20
Operational Transparency 4.8 / 13
Governance 0.0 / 12
Discoverability 7.4 / 10
Agent readiness — 31/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 0 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/fullenrich: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 3

Individual APIs this provider publishes, each with its own machine-readable definition.

FullEnrich Account API

Workspace credit balance and API key checks.

FullEnrich Contact Enrichment API

Submit contacts for waterfall enrichment and retrieve results.

FullEnrich Reverse Email Lookup API

Resolve a person and company from an email address.

Open Collections 1

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

FullEnrich API

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

Fullenrich Plans Pricing

5 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Fullenrich Rate Limits

3 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Fullenrich Finops

FINOPS

Security Posture 3

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Fullenrich Authentication

http · 1 scheme

SECURITY

Fullenrich Domain Security

TLSv1.3 · HSTS · DNSSEC · DMARC

SECURITY

Fullenrich Trust Center

SOC 2, ISO 27001, GDPR

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Fullenrich Agentic Access

7 operations · 2 acting

7 operations · 2 acting

AGENTIC

Resources

Documentation 1

Reference material describing how the API behaves

Documentation
Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess
AgenticAccess

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization

Access & Security 3

Authentication, authorization, and security posture

TrustCenter
TrustCenter
 DomainSecurity
DomainSecurity
 Authentication
Authentication

Operate 1

Status, limits, changes, and where to get help

RateLimits
RateLimits

Commercial 2

Pricing, plans, and the legal terms of use

Plans
Plans
 FinOps
FinOps

Company 3

The organization behind the API

LinkedIn
LinkedIn
 Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: fullenrich
url: https://raw.githubusercontent.com/api-evangelist/fullenrich/refs/heads/main/apis.yml
name: FullEnrich
kind: company
description: FullEnrich is a B2B contact enrichment platform that finds verified business emails and mobile phone numbers
  by running a waterfall across 15+ data vendors. Its API accepts contacts by name plus company (domain or company name) or
  LinkedIn URL, submits them for bulk enrichment, and returns the most probable work email, personal email, and mobile phone,
  billing credits only when data is found.
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: true
  try_now: true
  public: false
  label: Freemium (free trial) · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/fullenrich.png
tags:
- B2B Data
- Contact Enrichment
- Email Finder
- Phone Finder
- Waterfall Enrichment
- Sales Intelligence
created: '2026-07-01'
modified: '2026-07-01'
specificationVersion: '0.19'
apis:
- aid: fullenrich:fullenrich-account-api
  name: FullEnrich Account API
  description: Workspace credit balance and API key checks.
  humanURL: https://docs.fullenrich.com/api/v2/contact/enrich/bulk/post
  baseURL: https://app.fullenrich.com/api/v2
  tags:
  - Account
  properties:
  - type: OpenAPI
    url: openapi/fullenrich-account-api-openapi.yml
  - type: Documentation
    url: https://docs.fullenrich.com/api/v2/contact/enrich/bulk/post
  - type: APIReference
    url: https://docs.fullenrich.com/api/v2/contact/enrich/bulk/post
  - type: PostmanCollection
    url: collections/fullenrich.postman_collection.json
  - type: OpenCollection
    url: collections/fullenrich.opencollection.json
  - type: Documentation
    url: https://docs.fullenrich.com/api/v2/contact/enrich/bulk/get
  - type: Documentation
    url: https://docs.fullenrich.com/
- aid: fullenrich:fullenrich-contact-enrichment-api
  name: FullEnrich Contact Enrichment API
  description: Submit contacts for waterfall enrichment and retrieve results.
  humanURL: https://docs.fullenrich.com/api/v2/contact/enrich/bulk/post
  baseURL: https://app.fullenrich.com/api/v2
  tags:
  - Contact Enrichment
  properties:
  - type: OpenAPI
    url: openapi/fullenrich-contact-enrichment-api-openapi.yml
  - type: Documentation
    url: https://docs.fullenrich.com/api/v2/contact/enrich/bulk/post
  - type: APIReference
    url: https://docs.fullenrich.com/api/v2/contact/enrich/bulk/post
  - type: PostmanCollection
    url: collections/fullenrich.postman_collection.json
  - type: OpenCollection
    url: collections/fullenrich.opencollection.json
  - type: Documentation
    url: https://docs.fullenrich.com/api/v2/contact/enrich/bulk/get
  - type: Documentation
    url: https://docs.fullenrich.com/
- aid: fullenrich:fullenrich-reverse-email-lookup-api
  name: FullEnrich Reverse Email Lookup API
  description: Resolve a person and company from an email address.
  humanURL: https://docs.fullenrich.com/api/v2/contact/enrich/bulk/post
  baseURL: https://app.fullenrich.com/api/v2
  tags:
  - Reverse Email Lookup
  properties:
  - type: OpenAPI
    url: openapi/fullenrich-reverse-email-lookup-api-openapi.yml
  - type: Documentation
    url: https://docs.fullenrich.com/api/v2/contact/enrich/bulk/post
  - type: APIReference
    url: https://docs.fullenrich.com/api/v2/contact/enrich/bulk/post
  - type: PostmanCollection
    url: collections/fullenrich.postman_collection.json
  - type: OpenCollection
    url: collections/fullenrich.opencollection.json
  - type: Documentation
    url: https://docs.fullenrich.com/api/v2/contact/enrich/bulk/get
  - type: Documentation
    url: https://docs.fullenrich.com/
common:
- type: AgenticAccess
  url: agentic-access/fullenrich-agentic-access.yml
- type: TrustCenter
  url: security/fullenrich-trust-center.yml
- type: DomainSecurity
  url: security/fullenrich-domain-security.yml
- type: Authentication
  url: authentication/fullenrich-authentication.yml
- type: GitHubOrganization
  url: https://github.com/FullEnrich
- type: LinkedIn
  url: https://www.linkedin.com/company/fullenrich
- type: Website
  url: https://fullenrich.com
- type: Documentation
  url: https://docs.fullenrich.com
- type: Plans
  url: plans/fullenrich-plans-pricing.yml
- type: RateLimits
  url: rate-limits/fullenrich-rate-limits.yml
- type: FinOps
  url: finops/fullenrich-finops.yml
- type: Blog
  url: https://fullenrich.com/blog
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
Where this information came from

This is an independent, third-party profile of FullEnrich, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.

The Kin Score and Agent Readiness rating are independently calculated assessments of a company's public API artifacts, scored against a published rubric. They are not certifications, endorsements, security assessments, or audits.

Corrections, re-scores, and removal are free — no partnership or purchase required, and you do not need to justify the request. A removed company is recorded as unrated, never scored zero for having asked. Acknowledgement within one business day; removal within two.

info@apievangelist.com · Read the full data-sourcing policy →
On a security or compliance team? Put security in the subject line and you will get a person, not a form — we will tell you exactly which public URLs this profile was built from.