
Transparency
The API allows participants to identify in advance if an IPOC has been used in another registration.

The API allows participants to identify in advance if an IPOC has been used in another registration.

Recovery of the IF Code in cases of previous attempts.

No repeated registration attempts, thus simplifying the reprocessing of transactions.

Visibility of the registration status, increasing the predictability of the flow.
New IPOC Query API allows participants to identify duplicate records and retrieve the IF Code, which avoids rework, improves operational control, and brings greater security to the CCB registration process.
The participant sends a POST request with one or more IPOCs in the message body. For each IPOC, the API returns the following information:
The registration availability status
An indication of unavailability, when applicable
The IF Code, if the IPOC has already been registered with B3.
Therefore, even if the participant has experienced a previous failure and has not saved the registration return, they can retrieve the information simply and securely.
IPOC query via API in a production environment
Return of the IPOC interoperability status
Identification of whether the IPOC:
- Is available for registration- Is registered with another registrar
- Is registered with B3 with return of the IF CodeThe Bank Credit Note (CCB) is a financial instrument that represents a promise of payment on behalf of financial institutions arising from a credit transaction. Learn more.
04/22/2026
Available to the market
Catalog changes
API for Developers
Main systems
NoMe
Main related functions
No functions impacted
Certification roadmap
Optional and available
What is the Sinacor version?
No impact