BharatCode Build League 2026 Sovereign Hackathon

Fight chargebacks with
contract evidence, not emotion.

Upload your signed contract, paste communication logs, and generate an airtight, bank-compliant dispute rebuttal dossier with an Evidence Anchor Map in seconds.

Instant ~20s turnaround
Zero database storage
Visa · Mastercard · Stripe standards
Select a Real-World Dispute Scenario
Stripe · Scope Creep & Sign-offHigh Win-Rate
Client approved staging build, then disputed $3,200 after unbilled extra features were denied.
PayPal · Fraudulent ChargebackCritical Defense
Digital branding agency deliverables handed off via GitHub/Figma; buyer filed unauthorized transaction.
Razorpay / Bank · Scope CreepB2B Dispute
Custom API integration completed; buyer filed Reason 4853 ("Defective / Not as Described").
Target Payment Gateway / NetworkTailors formatting to gateway evaluator
1. Dispute Allegation & Reason Code
1
Chargeback Notice DetailsReason code, disputed amount, buyer claim
2. Contract / Statement of Work (SOW)
2
Upload signed contract (.pdf)
Scope clauses, milestone protocols & change order rules extracted in memory
3. Communication Audit Trail
3
Emails, Slack messages, WhatsApp transcriptsDates and timestamps establish client acceptance

Files are processed entirely in-memory and never saved to our databases. However, extracted text is securely transmitted to the BharatCode API for AI processing. Do not upload files containing highly sensitive PII (Social Security Numbers, Credit Cards).

Evidentiary Readiness
25% Score
Current Status: Needs More Evidence
Contract Scope Terms15%
Timestamp Audit Integrity10%
Gateway Compliance35%
Evidence Anchor Map
Constructs a 3-column verification matrix directly anchoring governing contractual clauses to informal chat timestamps (Slack, WhatsApp, Email) to defeat friendly fraud.
Timeline & Acceptance Cross-Check
Communication logs are mapped to contractual milestones. Written approvals, staging test sessions, and sign-offs are anchored with exact timestamps to defeat non-delivery claims.
Bank & Gateway Evidentiary Packet
Follows Visa Core Rules § 1.10.1 & Mastercard Chargeback Guidelines: Executive Summary, Scope Citations, Delivery Timeline, Point-by-Point Refutation, and Formal Dismissal Demand.
Powered by BharatCode Sovereign AI
Direct native fetch to qwen-3.8-27b. Zero external SDK wrappers. Built for the BharatCode Build League 2026.