What is a rfc fraud prevention API used for?

A rfc fraud prevention API lets developers query or validate data programmatically, typically returning structured JSON results for integration into onboarding, KYC, or compliance workflows.

Is there a free rfc fraud prevention API?

Some providers offer free tiers with limited requests. Commercial options on apipull.com provide higher reliability and data freshness suitable for production use.

Using RFC fraud prevention checks in payment systems?

carlos_dev opened this thread · May 1, 2025 16:05 · 2 replies

rfc-fraud-prevention fraud-detection sat mexico-payments

Question

carlos_dev Asker May 1, 2025 16:05

Has anyone implemented RFC fraud prevention as part of a payment or lending system? We're seeing an uptick in applications using invalid or borrowed RFCs, and want to add a layer that catches this early.

The specific signals I want to check: (1) RFC format valid, (2) RFC exists in SAT registry, (3) RFC not on the 69-B blacklist, (4) RFC matches the name the user provided. I'm treating these as separate API calls or a combined enrichment step.

Are there any providers that bundle all four checks into one RFC fraud prevention API call? And what's the typical false positive rate on these checks?

Answers

mx_dev_sofia May 1, 2025 17:00

Some providers bundle format + SAT existence + 69-B check in one call. Name matching is usually fuzzy — watch for accents and abbreviations causing false positives on legitimate users.

rfc_helper May 1, 2025 17:30

For RFC fraud prevention, also check that the RFC issue date makes sense relative to the business founding date. Newly-minted RFCs on old companies are a red flag.

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