FF404 Documentation

Guides and API references that help you safeguard paid campaigns and email journeys with FF404.

Get started

FF404 monitors high-value traffic hitting missing pages. These guides help your team connect FF404 data to internal dashboards, QA checks, or alerting pipelines.

Sign in to your FF404 account and open Account → API Access.
Create or copy an account-specific API key for your integration.
Use the references below to submit marketing URLs to /api/urls/analyze and review the results.

What you will find

Endpoint references with verbs, payload formats, and status codes.
Sample requests and responses that mirror production behaviour.
Context on FF404 parameter enrichment, redaction, and aggregation.

Popular destinations

API overview — authentication, base URLs, and global conventions.
POST /api/urls/analyze — analyze marketing URLs and surface sensitive parameters.