Documentation

Welcome to the Fuego documentation. Fuego is a real-time lead enrichment API: it tells you who is behind any email address, detects disposable emails and other abuse signals, and includes free organization intelligence with every lookup.

Documentation Sections

Overview - What you’re reading now
Enrichment API - Full API reference for real-time lead enrichment
List Enrichment - How to enrich lists of leads in bulk
Understanding Enrichment Data - What categories, risk levels, and flags mean
API Test Mode - Simulate responses during development
Legal Agreements - Terms of service and privacy policy
Contact Support - How to get help

Why Choose Fuego?

Organization categorization: Instantly classify signups as enterprise, smb, education, government, nonprofit, or individual
Abuse signals built in: Disposable detection, DNS MX checks, role addresses, and a simple risk level
Organization intelligence included: Company name, industry, size, and country with every lookup, at no extra cost
Anti-spam commitment: We only work with legitimate businesses and fire customers who abuse the platform
Data integrity: We never sell enrichment data as part of other products
Independent and bootstrapped: We offer great service at a fair price

Getting Started

Sign up for a free account at app.gofuego.io
Create a development API key and build your integration with test mode — free, no subscription needed
Use your 100 free trial credits for real enrichments, then subscribe to a plan — see pricing
Choose between our API integration or list enrichment tools

Free Trial Policy

Every new account gets 100 free trial credits:

One credit = one enrichment, with the complete payload — nothing held back
No credit card required
When your credits run out, subscribe to a plan to keep going

Test mode is always free: create a development API key and simulate every response type without touching your credits — see API Test Mode.

For detailed instructions, please refer to the appropriate documentation section above.