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Photo by Getúlio Santos

Getúlio Santos

Getúlio Santos is the CEO of ZapSign, a lawyer, technology enthusiast, and entrepreneur.
location verification
KYC

Location verification: how to use mobile network signals to validate location with less friction?

Understand how location verification uses mobile network signals to confirm geographic presence, reduce friction, and...

October 6th, 2026 No comment
sandbox API
KYC

Sandbox and API playground: what to test before taking identity validation to production.

A practical guide to validating identity validation in sandbox and playground environments, covering credentials, payloads, errors, and scenarios.

October 1th, 2026 No comment
webhook identity validation
KYC

Identity validation webhooks: retries, security, and reconciliation without losing events.

Understand how to structure identity validation webhooks with HTTPS, signature, replay protection, fast ACK,

September 29th, 2026 No comment
idempotency key API
KYC

How Idempotency-Key in APIs prevents duplicate queries and charges.

Understand how an Idempotency Key makes retries predictable, avoids duplicate charges and records, validates payloads, and controls concurrency.

September 24th, 2026 No comment
API error
KYC

What does an API error mean, and how do I check and test for it?

API errors reveal failures related to requests, authentication, limits, network, policy, or server. The content shows

September 22th, 2026 No comment
risk-based authentication
KYC

When should you require extra user verification with risk-based authentication?

Risk-based authentication assesses context, device, location, network, and sensitivity to decide when to grant access.

September 17th, 2026 No comment
Identity verification API
KYC

How much does an identity verification API cost, and how can I compare pricing per query, minimums, and contract?

This guide shows how to compare the cost of identity APIs beyond the unit price, considering...

September 15th, 2026 No comment
kyc
KYC

What is KYC, what is it for, and how to do it in 6 steps?

KYC identifies and verifies customers, classifies risks, and keeps the relationship monitored. This guide presents six...

September 10th, 2026 No comment
KYC modular
KYC

Modular KYC or Enterprise Suite: which model makes sense for startups and SMEs?

This article compares modular KYC and enterprise suites for startups and SMEs, showing how to map risks,

September 8th, 2026 No comment
LGPD API
KYC

How to implement API consent for identity management under the LGPD (Brazilian General Data Protection Law) without creating a bottleneck in the workflow?

This article shows how to structure consent in identity validations via API without creating bottlenecks: inform

September 3th, 2026 No comment
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