All Comparisons

Fidro vs Signifyd

Signifyd is a fraud platform for large teams, sold through sales. Fidro gives developers a fraud check they can sign up for and ship in an afternoon.

Last updated: March 2026

What is Fidro?

Fidro is a fraud detection API for developers. One call checks an email address and an IP for disposable domains, VPNs, proxies, Tor and datacenters, remembers earlier signups and logins, and returns a 0 to 100 risk score with an allow, challenge or block recommendation. On the Pro plan it also scores Stripe payments. The free plan includes 200 validations a month, no credit card needed.

Feature Comparison

Feature Fidro Signifyd
Email Validation Yes Limited
IP Intelligence Yes Yes
Chargeback Prevention Yes Yes
Risk Scoring Yes Yes
Velocity & Anomaly Detection Yes Yes
Free Plan 200/month No
Self-Serve Signup Yes No
Setup Time Hours Weeks
Target Market Startups & SMBs Enterprise
Starting Price Free Custom/Enterprise

Where Fidro differs from Signifyd

Self-serve, no sales call

Signifyd is sold through a sales process and rolled out over weeks. With Fidro you sign up, take an API key and ship the same afternoon.

Free to Start

Signifyd pricing is custom. Fidro publishes its prices: free for 200 validations a month, then $29 and $199 plans.

Sized for smaller teams

Signifyd is built for large companies with dedicated fraud teams. Fidro is built for developers who own the signup and billing flow themselves.

Want to see it first? Check an email for free or browse the disposable email list.

Common questions

Is Fidro a good alternative to Signifyd?
It depends on your size. Signifyd is an e-commerce fraud platform built for larger merchants, sold through sales and set up over weeks, and it suits companies with a dedicated fraud team. Fidro is for developers who want a fraud check in their signup and checkout flow this week: self-serve, a free plan with 200 validations a month, and paid plans from $29 a month.
How is Fidro different from Signifyd?
Fidro is one API call that returns a risk score and an allow, challenge or block recommendation. You sign up yourself, there is no sales call, and setup takes hours rather than weeks. Signifyd is built for larger teams that want a managed platform and are ready for a longer rollout.
Does Fidro work with Stripe like Signifyd?
Yes. On the Pro plan, Fidro listens to your Stripe webhooks and scores each completed payment against 25+ chargeback risk factors, so you can refund a risky payment before it turns into a dispute. It also checks signups and logins, before anyone reaches checkout.

Switch in an afternoon.

200 free validations a month. No credit card, no sales call.

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