File Types and Conventions

File key format

file_key values are UUIDs with an allowed file extension, for example:

123e4567-e89b-12d3-a456-426614174000.pdf

apng
bmp
csv
cur
dcx
doc
docx
dotx
ftex
gif
jpeg
jpg
pdf
pcx
png
ppt
pptx
ppm
pxr
qpw
psd
tiff
txt
xls
xlsm
xltm
xltx
xlsx
wpd

Invalid requests return 422 with a structured HTTPValidationError response. Use the API Reference tab to see field-level error details.