docs: sync documentation with document upload schema changes

[claude]

Summary

• Add required documentNumber and issuingAuthority fields to identity document upload examples in KYC guide
• Aligns documentation with OpenAPI schema split (refactor(openapi): extract document upload/replace request bodies into reusable components #517) that separated document uploads into identity vs non-identity types

Test plan

• Verify PASSPORT upload examples include all required fields per IdentityDocumentUploadRequest schema
• Review generated Mintlify docs render correctly

🤖 Generated with Claude Code

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[greptile-apps]

Greptile Summary

This documentation-only PR syncs the KYC guide with the schema split introduced in #517, which separated document uploads into identity and non-identity types. Both PASSPORT upload curl examples in kyc-unregulated.mdx now include the documentNumber and issuingAuthority fields that are required by the IdentityDocumentUploadRequest schema.

• Added documentNumber and issuingAuthority to the individual KYC (customer) PASSPORT upload example.
• Added the same two required fields to the KYB (beneficial owner) PASSPORT upload example, using distinct sample values to differentiate the two flows.

Confidence Score: 5/5

Safe to merge — documentation-only change that correctly adds two missing required fields to curl examples.

Both PASSPORT upload examples now include all required fields (documentNumber and issuingAuthority) that the IdentityDocumentUploadRequest schema mandates. No other files contain PASSPORT upload examples, and the regulated-platform KYC file has no document upload examples at all. The added sample values are realistic and distinct between the two examples.

No files require special attention.

Important Files Changed

Filename	Overview
mintlify/snippets/kyc/kyc-unregulated.mdx	Adds required documentNumber and issuingAuthority fields to both PASSPORT upload examples (individual KYC and KYB beneficial owner), aligning with the IdentityDocumentUploadRequest schema.

Sequence Diagram

sequenceDiagram
    participant Dev as Developer
    participant API as Grid API

    Dev->>API: POST /customers (customerType, personalInfo)
    API-->>Dev: "{ id: "Customer:..." }"

    Dev->>API: "POST /documents (multipart/form-data)<br/>documentHolder, documentType=PASSPORT<br/>documentNumber, issuingAuthority, country, file"
    API-->>Dev: "{ id: "Document:..." }"

    Dev->>API: POST /verifications (customerId)
    API-->>Dev: "{ verificationStatus: "IN_PROGRESS" | "RESOLVE_ERRORS" }"

    API-->>Dev: Webhook: CUSTOMER.KYC_APPROVED / KYC_REJECTED

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_{Reviews (1): Last reviewed commit: "docs(kyc): add required fields to identi..." | Re-trigger Greptile}