Generate Final, HMRC-Ready Submission Payloads
Enterprise API for UK CBAM Compliance
Production-ready calculations that produce validated submission payloads for direct HMRC filing. Every calculation generates the final HMRC submission format—ready for direct filing.
Final Submission Format
Every API response is the exact format required by HMRC. No transformation needed—ready for direct filing.
Audit Trail Guarantee
Complete calculation history for regulatory compliance. Immutable logs with full traceability.
32 E2E Tests Passing
Validated against HMRC test cases. Comprehensive coverage of calculation accuracy and format compliance.
Schema-Versioned
Regulatory changes tracked and versioned. Your submissions stay compliant as requirements evolve.
HMRC Filing Guarantee & Audit Log
Every calculation generates a complete audit trail that serves as your record-of-truth for HMRC filing and regulatory compliance.
What's Logged
- Complete calculation inputs (HS codes, countries, masses, prices)
- Final submission payload structure
- Data sources used (emission factors, tax rates, with version IDs)
- Timestamp and calculation ID for traceability
- Full 7-year retention for regulatory compliance
Compliance Assurance
- Immutable audit logs (cannot be modified or deleted)
- Replayable calculations (reproduce exact results)
- Data attribution (know which reference data was used)
- Export capabilities for HMRC submission packages
Enterprise Value: Your compliance team can demonstrate complete traceability for every calculation used in HMRC submissions. Audit logs serve as legal documentation of your compliance process.