# Inbound Advance Shipping Notice API The Inbound Advance Shipping Notice API allows clients to notify our system when a shipment is inbound. The data sent will be used to receive and reconcile against. Version: 1.0.0 ## Servers Production ``` https://asn.optiturn.com ``` Sandbox ``` https://asn.sandbox.optiturn.com ``` Staging ``` https://asn.stage.optiturn.com ``` ## Security ### jwtAuth Type: http Scheme: bearer Bearer Format: JWT ## Download OpenAPI description [Inbound Advance Shipping Notice API](https://developer.optoro.com/_bundle/openapi/asn/openapi.yaml) ## Other ### Create an ASN - [POST /asns](https://developer.optoro.com/openapi/asn/openapi/paths/~1asns/post.md) ### Update an ASN - [PUT /asns/{asn-number}](https://developer.optoro.com/openapi/asn/openapi/paths/~1asns~1%7Basn-number%7D/put.md): ASNs may be updated to change the status of the ASN overall or the status of a detail line. See above for permitted status values. ASN Number should be included as part of the url. ASNs can be updated only when they are active and have no receptions.