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Attach an audience file to an upload

One step with Lob. We can help you get access.

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Attach an audience file to an upload

with Lob

Use Lob: its Lob Files API lets you attach an audience file to an upload in a single step (POST /uploads/{upl_id}/file). capabilities.work can help you get signed up and connected.

  • How do I upload my mailing list spreadsheet for a campaign?
  • Where do I attach the CSV of recipients to an upload?
Say it to your AI assistant
  • Attach file {file} to upload {upl_id}.
  • Upload my audience list to upload {upl_id}.
For your developer

POST /uploads/{upl_id}/file in Lob Files API. Full spec on APIs.io.