Container fields via the Data API

Expert

Upload files to container fields and retrieve container URLs using the FileMaker Data API.

What you'll learn

  • How to upload a file to a container field using the Data API
  • How container field values appear in GET responses
  • How to download container content using the returned URL

The FileMaker Data API supports uploading files to container fields via a multipart/form-data POST request, and returns a URL path in the fieldData of a GET response that can be used to download the container content. This enables fully scriptable document management without FileMaker Pro.

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Uploading to a container field

POST to the /containers endpoint with a multipart/form-data body. The field parameter names the target container field.

HTTP
POST /fmi/data/v1/databases/MyDB/layouts/Documents/records/42/containers/AttachmentField/1
Authorization: Bearer <token>
Content-Type: multipart/form-data; boundary=----FormBoundary

------FormBoundary
Content-Disposition: form-data; name="upload"; filename="report.pdf"
Content-Type: application/pdf

<binary PDF data>
------FormBoundary--
OAuth external authentication with the Data APICompound Find Requests and Omit Logic

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