Evidence-first expense model
Expenses And Receipts
Expense source facts carry supplier snapshots, receipt evidence references, missing-receipt exceptions, expense documents, and expense lines. VAT-relevant expense lines require tax snapshots and input-VAT review state. Receipt attachments send hashes, metadata, and storage/evidence references; raw file upload belongs to the approved binary storage path. Local UI categories remain local unless translated into HelvCore-owned accounting/tax fields.
Integration note
This page documents the production-shaped behavior around the v1 API. Endpoint-level schemas and examples are generated from OpenAPI.
Related API reference
Use the endpoint reference pages for request schemas, response bodies, status codes, and examples generated from the live OpenAPI contract.
GET /v1/source-facts/expense-documentsList Expense Document Source FactsPOST /v1/source-facts/expense-documentsCreate Expense Document Source FactPOST /v1/source-facts/expense-linesCreate Expense Line Source FactPOST /v1/source-facts/receipt-attachmentsCreate Receipt Attachment Source FactPOST /v1/source-facts/supplier-snapshotsCreate Supplier Snapshot Source Fact