OpenChainGraph Suite · ART-367 · Cross-Border Payments

Cross-Border B2B Fee Calculator

Itemizes a single cross-border B2B invoice’s total cost stack: FX spread cost, payment-method/correspondent fee, VAT or reverse-charge cost, documentary-credit cost, and reconciliation cost. Provable version of tools/141-cross-border-b2b-fee-calculator.html.

Cross-Border B2B FX Spread · VAT Documentary Credit
🔒 All inputs are processed locally in your browser. No data is transmitted. Do not enter real personal data — use synthetic or anonymised inputs only.
⚠ VAT/reverse-charge treatment, documentary-credit fees, and correspondent fees are your own inputs from your treaty position and banking agreement — this tool never vendors a VAT-treaty or fee table.
Itemizes one invoice’s cost stack. For remittance-corridor benchmarking against World Bank RPW / SDG 10.c targets, see compare_corridor_cost (ART-249) →
Cost Stack Detail
Execution Hash (SHA-256)







  

    
Ask your agent

    
  

  
Copy this paragraph into Claude, OpenClaw, or any MCP-aware agent to run this exact tool, with this sample, and verify the artifact.

  
Run the AINumbers MCP tool `compute_cross_border_fees`. Task: Itemize a single cross-border B2B invoice's total cost stack: FX spread cost, payment-method/correspondent fee, VAT or reverse-charge cost, documentary-credit cost, and reconciliation cost, plus total cost as a percentage of invoice value.
Call it with arguments: {"policy_parameters":{"invoice_amount":85000,"origin_country":"US","dest_country":"GB","fx_spread_bps":75,"method_fee":35,"vat_rate":0,"doc_cost":0,"recon_cost":12}}
Verify before trusting: call `verify_execution_hash` on mcp.ainumbers.co (https://mcp.ainumbers.co/mcp) with the parameter `claimed_hash` set to the returned `execution_hash`, passing the full artifact the run returned (the object containing `policy_parameters` + `output_payload` + `execution_hash`; equivalently `policy_parameters` + `output_payload` with `claimed_hash`), not the bare hash string.
Return the ledger link https://ledger.ainumbers.co/ so a human can re-verify without contacting us.
PII rule: All inputs are processed locally in your browser. No data is transmitted. Do not enter real personal data — use synthetic or anonymised inputs only.
Open the tool with the sample prefilled: https://ainumbers.co/chaingraph/art-367-compute-cross-border-fees.html#p=v1.H4sIAAAAAAAA_wGPAHD_eyJpbnZvaWNlX2Ftb3VudCI6ODUwMDAsIm9yaWdpbl9jb3VudHJ5IjoiVVMiLCJkZXN0X2NvdW50cnkiOiJHQiIsImZ4X3NwcmVhZF9icHMiOjc1LCJtZXRob2RfZmVlIjozNSwidmF0X3JhdGUiOjAsImRvY19jb3N0IjowLCJyZWNvbl9jb3N0IjoxMn1LoegKjwAAAA