Brazil Tax Registration Verification API (CPF/CNPJ)

Excluded from normalized aggregate trends after staff review: 3056 posts were attributed to March 2026; 671 shared March 14, 2026. The preceding six-month median was 13.5 posts.

Review evidence: 3,056 posts in March 2026; 671 shared March 14, 2026; preceding six-month median 13.5. Reviewed August 9, 2026.

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Brazil Tax Registration Verification (CPF/CNPJ) is a service designed to confirm the identity of users in Brazil by validating their tax identification against the authoritative CPF/CNPJ database, thereby reducing synthetic-identity and first-party fraud. This service is particularly useful for regulated businesses such as fintechs, crypto platforms, lenders, marketplaces, and gaming operators, providing a defensible, auditable record of identity verification. Didit offers this service through a single endpoint, requiring only a POST request with specific parameters, and it features a latency of a few seconds and a cost of $0.08 per conclusive query. The service can be integrated either through a no-code workflow in Didit's Business Console or by directly accessing the API, with 500 free verifications available monthly for testing.

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