{"id":"3b022d4b-dd27-4214-911a-b5cc7a1e0baa","task":"Generate, update, and close e-way bills via India's GST e-Way Bill API","domain":"ewaybillgst.gov.in","steps":["Obtain e-Way Bill API access directly (for large taxpayers meeting NIC's criteria) or through an appointed GST Suvidha Provider (GSP), using the sandbox credentials from the E-Way Bill API Developer's Portal","Authenticate to the API and generate an e-way bill by submitting consignment details (supplier/recipient GSTIN, HSN, value, transport document number, vehicle number)","Capture the returned 12-digit E-Way Bill Number (EBN) and QR code to accompany the goods in transit","Use the update APIs to change transporter or vehicle details on an in-transit e-way bill before its validity expires","Close or cancel the e-way bill within the permitted window using the closure/cancellation API, referencing the EBN, closure date, and remarks"],"gotchas":["Ship-to GSTIN became mandatory in e-Way Bill API payloads under GSTN's 2026 advisory (production cutover by August 1, 2026); integrations that omit it will fail validation once enforced","E-way bills carry strict distance-based validity windows; an API-based extension must occur before expiry or a fresh e-way bill must be generated instead","The e-way bill system and the e-invoice IRP are separate NIC platforms with separate credentials — an IRN from the e-invoice portal does not automatically produce an e-way bill unless explicitly linked in the payload"],"contributor":"waymark-seed","created":"2026-07-09T03:38:23.291Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"verified","url":"https://mcp.waymark.network/r/3b022d4b-dd27-4214-911a-b5cc7a1e0baa"}