Send Label Documents

Use the /v1/labels/{label_id}/documents/send endpoint to transmit all uploaded documents for a label to the carrier. Documents must be uploaded to their upload target before they can be sent.

See the Carrier Document Upload guide for the full upload flow.

curl -i -X POST \
  https://api.shipengine.com/v1/labels/se-28529731/documents/send \
  -H 'API-Key: YOUR_API_KEY_HERE'