Abuse prevention vs fraud detection vs identity verification
Abuse prevention, fraud detection, identity verification and bot detection answer different questions. Learn which one stops free trial abuse and multi-accounting in SaaS.
AbuseZero webhooks: every evaluation in your own systems
AbuseZero webhooks send every evaluation, outcome and list change to your own endpoints as it happens. Signed, retried, filtered and logged. Here's what you can build.
AI agents are claiming your free trials. Let the right ones in.
AI agents now sign up and claim free trials for real people. How to stop bots and scripted trial farming without blocking the AI agents your customers use.
The real cost of free trial abuse for SaaS and AI apps
Free trial abuse and signup credit abuse cost more than the credits themselves. Work out what repeat claims really cost your SaaS or AI app, with a free calculator.
Zero-wait free trials: run your abuse check in the background
Start free trials instantly and check for trial abuse in a background job. When to grant first, how to take a trial back on deny, and when not to.
Fail open or fail closed? What your abuse check should do when it can't answer
Fail open or fail closed? How to decide what your signup and trial abuse check does when it can't get an answer, with safe retries, idempotency keys and per-benefit choices.
Once per user or once every 90 days? Setting trial eligibility
How to set free trial eligibility rules in SaaS. One trial per customer, re-trials after 90 days, monthly free credits and daily limits, and how to enforce each one.
How to prevent free trial abuse, starting with the offer itself
How to prevent free trial abuse and signup credit abuse in SaaS. Compare free trials, $1 trials and credits, the common fixes, and the design choices that work.
The indie hacker's launch checklist for abuse and surprise bills
A 12-point SaaS launch checklist for indie hackers and solo developers. Stop free credit farming, duplicate accounts and surprise AI and cloud bills before you launch.
Multi-accounting detection without blocking real users
Shared Wi-Fi isn't proof of a second account. How to detect multi-accounting and duplicate accounts in SaaS without false positives that turn real customers away.
Shadow mode for abuse rules: turn on protection safely
Test abuse rules in shadow mode before they block anyone. Import your history, observe, replay changes against past traffic and switch to protect with confidence.