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Watermark & AIGC labeling

AIGC Service Provider Code

Free code tool
API docs

Compute the 27-digit service provider code from an organization's or person's identity per the standard, or validate an existing code the other way around.

Choose Organization for entities, Individual for people.

Must correspond to the ID number entered below.

Enter the real ID; its length must match the selected type.

Your result will appear here

Enter the subject details to generate a code, or paste an existing code to validate it — the result shows up here.

Not sure how to assemble the 27-digit service provider code required by GB 45438-2025? This tool does both: enter an organization's or person's identity to generate the standard code, or paste an existing code to validate it and break down each part.

The code does not require registration with any external authority — it is generated locally from your legal identity (such as a unified social credit code, ID card or phone number) using the standard algorithm, and can be used directly for AIGC labeling.