Fetch the E-Way Bill created by passing the invoice registration number (IRN).
E-Invoice access token
Specifies the source to access, either primary (NIC 1) or secondary (NIC 2)
primary, secondary "primary"
Enables criss-cross operations by routing requests through the specified source (e.g., access primary via secondary if primary is unavailable)
primary, secondary "secondary"
API version
API key for identification
"86cb880253c20a314fcddeb966870db8f272472172faf59c745338014c8767b5"